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510(k) Data Aggregation

    K Number
    K243478
    Date Cleared
    2025-02-19

    (103 days)

    Product Code
    Regulation Number
    872.3630
    Why did this record match?
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Patient-specific abutment restorations, milled from Pre-milled Abutment Blanks (PMABs), are indicated for single tooth replacement and multiple tooth restorations. They are directly connected to various endosseous dental implant systems using a basal screw. Patient-specific abutment restorations milled from Pre-milled Abutment Blanks are to be digitally designed and milled using the Straumann InLab Validated Workflow. The Straumann InLab Validated Workflow is indicated for the design and fabrication of single or multiple-unit implant-borne prosthetics for the restoration of partially or fully edentulous mandibles and maxillae. The system integrates multiple components of the digital dentistry workflow: scan files from Intra-Oral Scanners or Extra-Oral Scanners. CAD software, CAM software, pre-milled abutment blanks, milling machines and associated tooling and accessories.

    Device Description

    The Straumann InLab Validated Workflow is similar to the primary predicate K171649. It employs optical impression files that document the topographical characteristics of teeth, traditional dental impressions, or stone models. The 3Shape CAD software then allows the design of the desired restorations.

    The CAM software converts the digital restoration design into the tooling and tool path commands needed to fabricate the restoration. When choosing the Straumann Validated workflow, the user will only see the available and cleared components which were tested and demonstrated as part of the validated workflow. The milling command file is encrypted prior to transfer to the Roland DWX-42W Plus milling System; this encryption ensures that files generated using other CAD or CAM software cannot be used with the Straumann InLab Validated Workflow. The user will then load the milling command file into the Roland DWX-42W Plus milling System where it is decoded. The user loads the appropriate dental material blank and initiates the milling operation.

    This premarket notification includes restorations (one-piece metal patient-specific abutment restorations) manufactured from various Pre-milled Abutment Blanks (PMABs) from the Straumann Group companies : Institut Straumann AG and Neodent PMABs. The digital workflow using the Straumann InLab Validated Workflow includes the use of the following products: Dental Scan of the patient's situation, CAD Software, CAM Module, Milling System, Abutment Milling Blanks.

    AI/ML Overview

    The provided text is a 510(k) Summary for the Straumann InLab Validated Workflow, a device for designing and manufacturing patient-specific dental abutments from pre-milled abutment blanks (PMABs). The document describes the device, its intended use, technological characteristics, and performance testing.

    Here's a breakdown of the requested information based on the provided text:

    1. Table of Acceptance Criteria and Reported Device Performance

    The document does not explicitly present a table of acceptance criteria and reported device performance in a consolidated format as typically seen in a clinical study report. However, it mentions key performance areas and states that requirements were met.

    Acceptance Criteria (Implicit from tests performed):

    • Sterilization Validation: Meet ISO 17665-1 and FDA guidance for reprocessing medical devices.
    • Biocompatibility: In line with ISO 10993-1 and FDA guidance for biological evaluation.
    • Electromagnetic Compatibility (EMC): Considered MR Conditional.
    • Milling Accuracy: Dimensions of milled restoration are the same as the intended CAD design, met within tool's expected lifetime.
    • Simulated Use Validation: Correct implementation of PMABs, design constraints, and workflow restrictions in software and libraries.
    • Implant-Abutment Connection Protection: No damage to the connection geometry during milling.
    • Dynamic Fatigue: Performance consistent with FDA guidance for dental implants/abutments.

    Reported Device Performance:

    Performance AreaReported Device Performance
    Sterilization ValidationThe recommended sterilization method (moist heat/steam) was validated according to ISO 17665-1 and applicable FDA guidance on reprocessing medical devices. Sterilization parameters are equivalent.
    Biocompatibility TestingBiological assessment performed per ISO 10993-1 and FDA guidance. Device materials and manufacturing processes are equivalent to predicate, raising no new biocompatibility issues.
    Electromagnetic CompatibilityNo significant changes from currently marketed predicate devices; no new EMC issues raised. Device can be considered MR Conditional.
    Milling AccuracyBlack-box validation confirmed that dimensions of the milled restoration are the same as the intended CAD design. The accuracy requirement was met considering the tool's expected lifetime.
    Simulated Use ValidationConfirmed that relevant PMABs, design constraints, and workflow restrictions are correctly implemented (adequately written and locked into compatible design software and available libraries).
    Implant-Abutment Connection ProtectionA simulated implant-abutment connection protection test was conducted to mitigate potential risk of damaging the implant-abutment connection geometry during milling.
    Dynamic FatigueThe device design and performance testing submitted or referenced were conducted according to FDA guidance for root-form endosseous dental implants and abutments.

    2. Sample Size Used for the Test Set and Data Provenance

    The document does not specify the exact sample sizes used for the test sets in the performance studies (e.g., dynamic fatigue, milling accuracy, simulated use validation). It refers to these as "Performance Testing - Bench."

    Data Provenance: The studies are described as "nonclinical tests" and "bench" testing, suggesting they were conducted in a laboratory or simulated environment, rather than involving patient data. The document does not specify country of origin for the data (beyond the applicant being Institut Straumann AG in Switzerland and JJGC Indústria e Comércio de Materiais Dentários AS in Brazil, with contact in Andover, MA, USA). The studies appear to be prospective, designed specifically for this submission.

    3. Number of Experts Used to Establish the Ground Truth for the Test Set and Their Qualifications

    The document does not mention the use of experts to establish ground truth for the test set. The validation methods described (e.g., milling accuracy, simulated use) imply technical verification against design specifications and functional requirements rather than expert consensus on diagnostic or clinical outcomes.

    4. Adjudication Method for the Test Set

    No adjudication method is mentioned, as there is no indication of multiple reviewers or subjective assessments requiring adjudication in the described bench tests.

    5. Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study

    No MRMC comparative effectiveness study is mentioned. The device is a workflow for manufacturing dental restorations, not an AI diagnostic or assistive tool for human readers in the traditional sense of comparing human performance with and without AI assistance for interpretation.

    6. Standalone Performance (Algorithm Only Without Human-in-the-Loop)

    The milling accuracy test ("black-box validation confirming that the dimensions of the milled restoration are the same as the intended CAD design") and the simulated use validation implicitly test the algorithm and workflow in a standalone manner, separate from a human operator's interpretative judgment. The "Straumann InLab Validated Workflow" itself is largely an automated process once the design is finalized. It is designed to ensure that the digital design translates accurately into a physical product.

    7. Type of Ground Truth Used

    The ground truth used for these performance tests appears to be:

    • Design Intent/Specifications: For milling accuracy, the ground truth is the CAD design itself. For simulated use, the ground truth refers to the correct implementation of design constraints and workflow restrictions within the software and libraries.
    • Industry Standards and Regulatory Guidance: For sterilization, biocompatibility, and dynamic fatigue, the ground truth is defined by recognized international standards (ISO) and FDA guidance documents.
    • Functional Requirements: For implant-abutment connection protection, the ground truth is the prevention of damage to the connection geometry.

    8. Sample Size for the Training Set

    The document does not describe the use of machine learning or AI models in a way that would involve a distinct "training set" in the context of typical software or diagnostic AI submissions. The workflow involves CAD/CAM software where parameters and constraints are defined by engineering and design principles rather than learned from a large training dataset.

    9. How the Ground Truth for the Training Set Was Established

    As no specific training set for a machine learning model is described, there is no information on how its ground truth would have been established. The workflow relies on validated engineering designs, material properties, and manufacturing processes.

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    K Number
    K212664
    Device Name
    Sherlock
    Manufacturer
    Date Cleared
    2021-11-30

    (99 days)

    Product Code
    Regulation Number
    872.3630
    Reference & Predicate Devices
    Why did this record match?
    Reference Devices :

    K191609, K101608, K150899, K143505

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Sherlock abutments are intended to be used in conjunction with endosseous dental implants in the maxillary or mandibular arch to provide support for single-unit or multi-unit prosthetic restorations.

    All digitally designed CAD/CAM customizations for Sherlock abutments are to be sent to an Open Implants-validated milling center for manufacture.

    Sherlock abutments are compatible with the implant systems listed in the Compatibility Table:

    Compatible Implant SystemsImplant Body Diameter (mm)Implant Platform Diameter (mm)
    Biomet 3i Certain3.253.4
    4.04.1
    5.05.0
    6.06.0
    Straumann Bone Level3.33.3 (NC)
    4.1, 4.84.1, 4.8 (RC)
    Zimmer TSV3.7, 4.13.5
    4.74.5
    6.05.7
    Device Description

    Sherlock is a dental implant abutment system that includes four (4) abutment designs compatible with three (3) OEM implant systems. The Subject device abutment platform diameters range from 3.0 mm to 6.5 mm, and the corresponding compatible implant body diameters also range from 3.0 mm to 6.5 mm. The subject device includes the following abutment designs: Titanium blank, multi-unit angled 17°, and multiunit angled 30°. The system also includes corresponding abutment screws.

    All abutments and screws are manufactured from Ti-6Al-4V alloy conforming to ASTM F136 and are provided nonsterile to the end user. All digitally designed customized Titanium Blank abutments are to an Open Implants-validated milling center for manufacture.

    The design parameters for the CAD/CAM Titanium Blank custom abutment are: Minimum wall thickness – 0.41 to 1.6 mm (varies by implant line); Minimum post height for single-unit restoration - 4.0 mm; Maximum Correction Angle - 30°; Minimum gingival height - 0.5 mm to 0.8 mm (varies by implant line); Maximum gingival height - 5 mm.

    AI/ML Overview

    The provided document is a 510(k) summary for a dental implant abutment system named "Sherlock" (K212664). It details the device's technical specifications and compares it to predicate and reference devices to demonstrate substantial equivalence.

    However, the document does NOT contain information about an AI/ML-based device or a study proving its performance against acceptance criteria using clinical data, reader studies, ground truth establishment, or sample sizes for AI training/testing. The "Performance Data" section explicitly states: "No animal or clinical data is included in this premarket notification." The tests performed are non-clinical, focusing on biocompatibility, reverse engineering for compatibility, and static compression fatigue.

    Therefore, I cannot provide the requested information for an AI/ML device study. The content of the document pertains to the regulatory clearance of a physical medical device (dental abutments) based on substantial equivalence to existing devices, primarily through non-clinical performance data.

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    K Number
    K190040
    Date Cleared
    2019-04-08

    (90 days)

    Product Code
    Regulation Number
    872.3630
    Reference & Predicate Devices
    Why did this record match?
    Reference Devices :

    K173968, K173379, K173902, K172798, K151157, K150899

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Straumann BLX Healing Abutments for Bars and Bridges: Straumann Healing abutments are indicated to be placed in the patient's mouth at the end of the implant placement to protect the inner configuration of the implant and to form, maintain and stabilize the soft tissue during the healing process. Healing abutments should be used only with suitable implant connections. Healing components have a maximum duration of usage of 6 months.

    Straumann BLX Temporary Abutments for Bars and Bridges: Prosthetic components directly or indirectly connected to the endosseous dental implant are intended for use as an aid in prosthetic rehabilitations. Temporary components can be used prior to the insertion of the final components to maintain, stabilize and shape the soft tissue during the healing phase; they may not be placed into occlusion. Final abutments may be placed into occlusion when the implant is fully osseointegrated. BLX Temporary Abutments have a maximum duration of usage of 180 days.

    Straumann BLX Variobase Abutments for Bar and Bridges: Straumann® Variobase® prosthetic components directly or indirectly connected to the endosseous dental implant are intended for use as an aid in prosthetic rehabilitations. The prosthetic restoration (bridge or overdenture) can be cemented on the Straumann® Variobase® prosthetic components. A temporary restoration can be used prior to the insertion of the final components to maintain, stabilize and form the soft tissue during the healing phase. They may not be placed into occlusion. Final abutments and restorations may be placed into occlusion when the implant is fully osseointegrated.

    Straumann BLX Variobase Abutments AS: The Straumann Variobase for Crown AS is a titanium base placed onto Straumann dental implants to provide support for customized prosthetic restorations. Straumann Variobase for Crown AS are indicated for screw retained single tooth or cement-retained single tooth and bridge restorations. A temporary restoration can be used prior to the insertion of the final components to maintain, stabilize and form the soft tissue during the healing phase. Temporary restorations are indicated to be placed out of occlusion. All digitally designed copings and/or crowns for use with the Straumann Variobase for Crown AS are intended to be sent to Straumann for manufacture at a validated milling center.

    Straumann BLX Novaloc Abutments: The Straumann® Retentive System is indicated for the attachment of full or partial dentures on Straumann dental implants.

    Straumann BLX CARES Abutments: The Straumann CARES Abutments are indicated for single tooth replacement and multiple tooth restorations. The prosthetic restoration can be cemented or directly veneered/screw-retained.

    Device Description

    BLX Healing Abutments for Bars and Bridges: Healing abutments are screwed into the implant in cases of transmucosal healing to protect the inner configuration of the implant and maintain, stabilize and form the soft tissue during the healing process. They are placed out of occlusion and have a maximum duration of usage of 180 days. Unlike the predicate RB/WB healing abutments (K173961), the subject healing abutments are intended to shape the soft tissue for posterior placement of bridge restorations instead of single crowns. The subject healing abutments are manufactured from Titanium Grade 4 and are anodized in violet.

    BLX Temporary Abutments for Bars and Bridges: Temporary Abutments are intended to be placed into Straumann dental implants to provide support for temporary restorations. Temporary components can be used prior to the insertion of the final components to maintain, stabilize and shape the soft tissue during the healing phase, as well as provide a temporary esthetic solution. They support a temporary restoration and may not be placed into of occlusion. Straumann BLX Temporary Abutments have a maximum duration of usage of 180 days. Unlike the predicate RB/WB temporary abutments (K173961), the subject temporary abutments are intended to shape the soft tissue for posterior placement of bridge restorations instead of sinqle crowns. The subject temporary abutment cannot be shortened. The Temporary abutment for bar/bridge is a non-engaging device intended to support multiple-unit restoration. The subject temporary abutment is manufactured from TAN and is anodized in violet. The temporary abutments are fixed in the implant by means of a basal screw which is also manufactured from TAN.

    BLX Variobase Abutments for Bars and Bridges: Variobase Abutments for Bars and Bridges are intended to be placed into Straumann implants to provide support for multi-unit restorations. The prosthetic restoration (bar/bridge) must be cemented onto the Variobase abutments, which is then screwed onto the implants. A temporary restoration can be used prior to the insertion of the final components to maintain, stabilize and shape the soft tissue during the healing phase; they must be placed out of occlusion. Final abutments and restorations may be placed into occlusion when the implant is fully osseointegrated. Unlike the predicate Variobase abutments (K173968), the subject Variobase abutments present 3 retention features in the chimney instead of 4. The Variobase abutments for bar/bridges are non-engaging devices intended to support multiple-unit restorations. The subject Variobase abutments are manufactured from TAN and are anodized in violet. The Variobase abutments are fixed in the implant by means of a basal screw which is also manufactured from TAN.

    BLX Variobase Abutments AS for Crowns: Variobase abutments AS for crowns are intended to be placed into Straumann implants to provide support for single-unit restorations. The prosthetic restoration (crown) must be cemented onto the Variobase abutment, which is then screwed onto the implant. A temporary restoration can be used prior to the insertion of the final components to maintain, stabilize and shape the soft tissue during the healing phase; they must be placed out of occlusion. Final abutments and restorations may be placed into occlusion when the implant is fully osseointegrated. The Variobase abutments are manufactured from TAN and are anodized in violet or in brown according to the compatible BLX implant platform (RB/WB or RB). Unlike the predicate Variobase abutments (K173961/K173379), the subject Variobase abutments present 3 retention features in the chimney instead of 4. The chimney presents a cutout window to facilitate the handling of the screw driver in an angulated position. The Variobase abutments AS for crown are engaging devices intended to support single-unit restorations. The Variobase abutments are fixed in the implant by means of a basal screw which is also manufactured from TAN. The Variobase abutments for crown AS are titanium bases to be used as the lower part of two-piece abutments. The upper part of the two-piece abutment is a CAD/CAM designed and manufactured restoration. The planning and milling of the customized restoration must be made using the validated Straumann CARES Visual, Dental Wings software using the Straumann CARES Visual Plug-In. All digitally designed copings and/or crowns for use on the Variobase abutments are intended to be manufactured at a validated milling center.

    BLX Novaloc Abutments: Novaloc Abutments are intended to be placed into Straumann dental implants to provide support for full arch detachable restorations (over-denture). The Novaloc abutments are manufactured from TAV (Ti-6Al-4V, Titanium-Aluminum-Vanadium) and are anodized in violet. The restoration is connected to the Novaloc abutment through a snap-on fixture provided by a negative shape of Novaloc snap-on fixture embedded into the final restoration. The snap-on feature is TiN coated. Unlike the reference Novaloc abutments (K173902), the subject Novaloc abutments are not only provided in a straight version but also angulated. The Novaloc abutments are provided non-sterile with instructions for end user sterilization. Angled models: are composed of an abutment body with a coupled basal screw. They are engaging devices. Straight models: both body and thread parts are machined in one piece. They are nonengaging devices.

    BLX CARES Abutments: CARES Abutments are intended to be placed into Straumann implants to provide support for prosthetic reconstructions such as crowns and bridges. The final abutment, fabricated from a pre-milled blank, is designed to allow for individual customization regarding function and esthetics. The blank, manufactured from TAN and CoCr, is composed of a pre-milled implant-toabutment connection (TorcFit) and a cylindrical body with enough material volume to create a wide range of geometries for the final abutment. Inside the abutment, a screw channel provides access to the internal thread feature of the implant, such that the component can be firmly attached while providing fit between screw, abutment and implant. The planning and milling of the customized restoration must be made using the validated Straumann CARES Visual, Dental Wings software using the Straumann CARES Visual Plug-In. The maximum angulation allowed is 30° and the minimum wall thickness allowed is 0.4 mm. All digitally designed abutments are intended to be manufactured at a validated milling center.

    BLX Basal Screws: Basal screws are used to fix abutments to dental implant, and can also be used during lab procedures to fix lab prosthetic parts on implant analogs. They are provided along the abutments and also provided as standalone screws. The subject Basal Screws are manufactured from TAN. The Basal Screw for Variobase AS is anodized in green since this color identifies Straumann devices pertaining to AS system.

    AI/ML Overview

    The provided 510(k) summary for the Straumann® BLX Line Extension - New Abutments is a pre-market notification to the FDA. This type of submission focuses on demonstrating substantial equivalence to existing legally marketed devices, rather than proving the device meets acceptance criteria through a traditional clinical study with defined performance targets.

    Instead of "acceptance criteria," the focus here is on bench testing performance demonstrating fundamental material and structural integrity compared to predicate devices, and lack of significant differences in technological characteristics and indications for use.

    Therefore, the requested information elements related to clinical studies, test sets, ground truth, and expert adjudication are not applicable in the context of this 510(k) summary, as no device-specific clinical data has been submitted to demonstrate substantial equivalence. The submission relies on performance data from bench testing and biocompatibility assessments to support the claim of substantial equivalence.

    Here's the information that can be extracted from the provided text, re-interpreting "acceptance criteria" as the comparable characteristics to predicate devices and "reported device performance" as the results of the bench and biocompatibility tests.


    Acceptance Criteria and Study Details for Straumann® BLX Line Extension - New Abutments

    As this is a 510(k) submission primarily relying on substantial equivalence to predicate devices, the concept of "acceptance criteria" is less about meeting specific numerical performance targets in a clinical setting and more about demonstrating that the new devices do not raise new questions of safety or effectiveness. The study supporting this is primarily bench testing and biocompatibility assessments, rather than a clinical trial.

    1. A table of acceptance criteria and the reported device performance

    The "acceptance criteria" for a 510(k) are implicitly that the new device's technological characteristics and performance are substantially equivalent to a predicate device, without raising new questions of safety or effectiveness. The "reported device performance" refers to the results of the bench tests and sterility/biocompatibility validations.

    Characteristic / "Acceptance Criteria"Reported Device Performance (Summary)Supporting Study/Method
    Technological CharacteristicsEquivalent or minor differences from predicate devices (e.g., material, connection type, dimensions). Differences found to be non-significant.Comparison matrices (Tables 1-6) against predicate and reference devices.
    Material BiocompatibilityBiologically safe.Biocompatibility testing according to ISO 10993-1:2009 and FDA Guidance.
    Sterilization EfficacyAchieves SAL of 10^-6 (for sterile products).Validation according to ISO 11137-1:2006 and ISO 11137-2:2013 (for healing abutments), and ISO 17665-1/2 for end-user sterilization.
    PyrogenicityMeets pyrogen limit specifications (
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    K Number
    K171649
    Date Cleared
    2018-02-22

    (262 days)

    Product Code
    Regulation Number
    872.3630
    Why did this record match?
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    The Straumann CARES M-Series CAD/CAM System is indicated for the design and fabrication of single or multiple-unit implant-borne prosthetics for the restoration of partially or fully edentulous mandibles and maxillae. The system integrates multiple components of the digital dentistry workflow: scan files from Intra-Oral Scanners or Extra-Oral Scanners, CAD software, CAM software, restoration material blanks, milling machines and associated tooling and accessories. The system is used to design and fabricate CAD/CAM milled coping, crown and bridge restorations to be cemented onto Straumann® Variobase® Abutments, as well as milled abutments to be affixed to the endosseous dental implants of the Straumann® Dental Implant System using a basal screw.

    Device Description

    The Straumann CARES M-Series CAD/CAM System is intended for the design and fabrication of dental restorations by dental laboratories by means of a digital workflow. The Straumann CARES M-Series CAD/CAM System employs optical impression files that document the topographical characteristics of teeth, traditional dental impressions, or stone models. The Straumann CARES Visual CAD software then allows the design of the desired restorations. The CAM software converts the digital restoration design into the tooling and tool path commands needed to fabricate the restoration. The CAM software also allows multiple restoration files to be combined (nested) in order to maximize the use of dental material blanks. The milling command file is encrypted prior to transfer to the M-Series mill; this encryption ensures that files generated using other CAD or CAM software cannot be used with the M-Series mill. The user will load the milling command file into the M-Series mill where it is decoded. The user loads the appropriate dental material blank and initiates the milling operation.

    AI/ML Overview

    The provided document describes the acceptance criteria and the study that proves the Straumann CARES M-Series CAD/CAM System meets those criteria, primarily through a substantial equivalence comparison with predicate devices and various bench studies.

    Here's a breakdown of the requested information:

    1. Table of Acceptance Criteria and Reported Device Performance

    The acceptance criteria are not explicitly stated as numerical targets in the document. Instead, performance is demonstrated through a claim of "equivalence" to predicate devices, which implicitly means meeting the performance standards of those legally marketed devices. The reported device performance is presented as "Equivalent" for various features when compared to predicate devices.

    Feature / Acceptance CriteriaReported Device Performance (Equivalence Discussion)
    Indications for Use (Straumann CARES M-SERIES CAD/CAM System vs. SIRONA DENTAL CAD/CAM SYSTEM)Equivalent: The basic indication of providing support for prostheses scanning, design, and fabrication is the same. Support for TiBase-borne restorations is the same. The subject device indications refer to fabrication of coping, crowns, and bridges, including mesostructures (top-half of two-piece abutment), which are the same as referenced in the primary predicate indications. The crowns and bridges of the subject device are considered equivalent to hybrid abutments. The subject device also supports the fabrication of implant-connected solid abutments. This implies its performance meets the predicate for all these restoration types.
    Source of Input FilesEquivalent: Capabilities of the subject device (Intra-Oral Scanner, Bench-top Scanners) include the scope of capabilities for the predicate device (Bench-top scanners).
    Bench Scanner ControlEquivalent
    Implant DetectionEquivalent: Both use Scanbodies.
    Design EnvironmentEquivalent: Both are Closed CAD Systems facilitating the design of restorations, but for devices from different companies. Performance is considered equivalent in terms of design functionality.
    Restoration Types SupportedEquivalent: Capabilities of the subject device (Copings/Crowns for Variobase, Copings/Crowns/Bridges for Screw-Retained Abutments, Bridges/Bars for Variobase for Bridge/Bar, Solid TAN Abutments) include the scope of capabilities for the predicate device (Copings/Crowns for TiBase, Copings/Crowns for Camlog Titanium Base). Both allow design and fabrication of the mesostructure for two-piece abutments (standard coping or hybrid crown/bridge). The subject device also allows design and fabrication of a one-piece titanium abutment. The areas of the abutment available for design are equivalent.
    Supported Hardware DevicesEquivalent: Capabilities of the subject device (Straumann Variobase Abutments, Straumann Screw-Retained Abutments, Solid abutments) include the scope of capabilities for the predicate device (Sirona Ti-bases, Camlog Titanium Base). The subject devices provide support for implant-connected abutments.
    Supported Restorative MaterialsEquivalent: ZrO2 Ceramic material with indications according to ISO 6872 Classification are equivalent. The ZrO2 materials for use with the Straumann CARES M-Series CAD/CAM System have been previously cleared by FDA. The TAN material is identical to material used in CARES TAN Abutments (K150899). Straumann n!ce Blocks for Amann Girrbach were previously cleared (K170420). The use of the Ivoclar IPS e.max CAD material with Variobase Abutments has been cleared (K142890). The use of the n!ce material with Variobase Abutments has been cleared (K170354). This implies the milling performance and material properties for these materials meet prior predicate standards.
    Restoration SizesEquivalent: Capabilities of the subject device (Single crown up to 16-Unit bridge) include the scope of capabilities for the predicate device (Single crown). Support of bridges through two or more implants is achieved through Variobase for Bridge/Bar abutments (K151157). Use of multiple implants in the bridge limit the force on the individual implant to be less or equivalent to that of the single crown. For a 16-unit bridge, the force is spread over 4 or more implants.
    Interface to Ti-BaseEquivalent: The ability of the subject device to use solid blocks provides greater design flexibility to the user (compared to predicate's pre-milled blocks).
    CAD to CAM TransferEquivalent: Seamless, same software interface.
    CAM CapabilityEquivalent: Capabilities of the subject device (Nesting, selection of tools/paths/speeds/feed rates, encryption) include the scope of capabilities for the predicate device (selection of tools/paths/speeds/feed rates).
    CAM to Mill TransferEquivalent: Capabilities of the subject device (encrypted file format ensuring only Straumann CARES Visual and CAM Module files are accepted) include or exceed the scope of capabilities for the predicate device (expected transfer encryption).
    Supported MillsEquivalent: Capabilities of the subject device (Straumann CARES M-Series Mills) include the scope of capabilities for the predicate device (CEREC MCXL Mill, inLab MCXL Mill).
    Fabrication WorkflowEquivalent: Capabilities of the subject device (Dry milling of partially crystallized ceramic, Wet milling of Ti-6Al-7Nb Pre-Milled Abutment Blanks, Ivoclar IPS e.max CAD, and n!ce Glass Ceramic) include the scope of capabilities for the predicate device (In-lab wet milling of pre-sintered ceramic blocks).
    Variobase Abutments: Indications for UseIdentical to predicate Straumann Variobase Abutments (K142890, K120822).
    Variobase Abutments: Ti-base MaterialIdentical: Titanium-Aluminum-Niobium alloy (Ti-6Al-7Nb).
    Variobase Abutments: Abutment DiameterIdentical: 3.8 – 7.0 mm.
    Variobase Abutments: Abutment HeightIdentical: 3.5 – 4.5 mm.
    Variobase Abutments: Coping/Crown MaterialEquivalent/Identical: Digital workflow is expanded to add additional materials (Ceramill ZOLID series, Ivoclar IPS e.max CAD, Straumann n!ce). The Zi, ZOLID series are equivalent to predicate's zerion ZrO2 material. Use of n!ce and IPS e.max CAD is identical to previously cleared devices.
    Variobase Abutments: Design WorkflowEquivalent: Subject employs a subset of predicate's techniques (CAD vs. Wax-up or CAD).
    Variobase Abutments: Fabrication WorkflowEquivalent: Restorations milled by the dental laboratory are equivalent to those produced by the Straumann milling center.
    Variobase Abutments: Mode of AttachmentIdentical: Screw-retained or cement retained.
    Variobase Abutments: ReusableIdentical: No.
    Laboratory Milled CARES® TAN Abutments: Indications for UseIdentical to predicate Straumann® CARES® TAN Abutments (K150899).
    Laboratory Milled CARES® TAN Abutments: Abutment MaterialIdentical: Titanium-Aluminum-Niobium alloy (Ti-6Al-7Nb, TAN).
    Laboratory Milled CARES® TAN Abutments: Abutment Apical DesignIdentical: Engaging, BoneLevel (NC, RC), Tissue Level (RN, WN).
    Laboratory Milled CARES® TAN Abutments: Abutment Coronal DesignIdentical: CADCAM design process, designs controlled by material-specific design limits in CARES Visual CAD software, model verification by CAM software, and milling blank dimensions.
    Laboratory Milled CARES® TAN Abutments: CAD Design LimitsIdentical: Max. Angulation 30°, Emergence Offset 0.1 mm, Emergence Angle 65°, Min. Thickness 0.4 mm, Smooth Distance 0.5 mm, Min post surface area 37 to 56mm².
    Laboratory Milled CARES® TAN Abutments: Fabrication MethodEquivalent: Both methods use Straumann CARES Visual CAD software for design, applying the same validated limits. The difference is the manufacturing location (QSR controlled vs. dental laboratory). The milling accuracy of the Straumann CARES M-Series CAD/CAM System has been validated. Labeling has been revised and validated for milling unit installation, maintenance, and required tools/machine liquids/material blocks to ensure equivalence.
    Laboratory Milled CARES® TAN Abutments: Directly Veneerable?Identical: Yes.

    2. Sample Size Used for the Test Set and Data Provenance

    The document does not specify a separate "test set" sample size in the context of clinical studies with patients. The studies conducted are primarily bench studies involving laboratory testing of materials and device components. The number of samples for each type of bench test (fatigue, biocompatibility, etc.) is not detailed in this summary, but these are typically standardized tests with a defined number of specimens as per the relevant ISO or FDA guidance.

    The data provenance is not explicitly stated as "country of origin" or "retrospective/prospective" clinical data, as it primarily refers to bench testing data. These tests would have been performed in a controlled laboratory environment.

    3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications of Experts

    This information is not applicable. The evaluations are based on engineering and material performance specifications (bench studies) and comparison to predicate devices, not on expert clinical review of a test set for establishing ground truth in a diagnostic sense.

    4. Adjudication Method for the Test Set

    This information is not applicable, as the evaluation is based on bench testing and comparison to technical specifications, not human adjudication of diagnostic data.

    5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance

    This information is not applicable. The device is a CAD/CAM system for fabricating dental prosthetics, not an AI-assisted diagnostic tool for human readers. Therefore, an MRMC study related to improving human reader performance with AI is not relevant to this submission.

    6. If a standalone (i.e., algorithm only without human-in-the-loop performance) was done

    The document describes the Straumann CARES M-Series CAD/CAM System as an integrated system involving CAD software, CAM software, milling machines, and material blanks. The "algorithm" component is the CAD/CAM software. The system's performance is inherently "standalone" in its function of designing and fabricating prosthetics based on input scan files, but it is a tool used by human operators (dental technicians/laboratories). The bench studies performed evaluate the output of this system (e.g., strength of the milled prosthetics), which indirectly assesses the standalone performance of the algorithms and hardware in creating the physical restorations.

    7. The Type of Ground Truth Used (Expert Consensus, Pathology, Outcomes Data, etc.)

    For the bench studies, the "ground truth" refers to established engineering and material standards. Specifically:

    • Dynamic fatigue testing: Conforming to FDA guidance and ISO 14801. The ground truth is the performance criteria defined by these standards.
    • Software validation: Conforming to the requirements of IEC 62304. The ground truth is compliance with this software safety standard.
    • Sterilization validation: Conforming to ISO 17665-1 and ISO/TS 17665-2. The ground truth is achieving sterility assurance levels defined by these standards.
    • Biocompatibility testing: Conforming to ISO 10993-1, ISO 10993-5, ISO 10993-10, ISO 10993-11, and ISO 10993-18. The ground truth is meeting the safety criteria for biological interaction.
    • Electrical safety testing: Conforming to IEC 61010-1 and IEC 61010-2-010. The ground truth is compliance with electrical safety standards.

    For the substantial equivalence comparison, the "ground truth" is the performance and characteristics of the legally marketed predicate devices.

    8. The Sample Size for the Training Set

    The document does not refer to a "training set" in the context of machine learning. The CAD/CAM software is likely based on computational design and manufacturing principles, not on a machine learning model that requires a labeled training set derived from large datasets of past cases. Therefore, this concept is not applicable here.

    9. How the Ground Truth for the Training Set was Established

    As there is no "training set" in the machine learning sense, this question is not applicable. The underlying principles for the software's functionality would stem from dental anatomical knowledge, engineering mechanics, material science, and manufacturing tolerances, which form the basis of its deterministic operation.

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    Why did this record match?
    Reference Devices :

    CARES Variobase Abutments, K142890 Straumann Variobase Abutments, K150203 Medentika CAD/CAM Abutments, K150899

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    Straumann® Bone Level Tapered Implants Ø2.9 mm are indicated for oral endosteal implantation in the upper and lower jaw and for the functional and aesthetic oral rehabilitation of patients with missing teeth. Straumann® Bone Level Tapered Implants 02,9 mm can also be used for immediate or early implantation following extraction or loss of natural teeth. Implants can be placed with immediate function on single-tooth applications when good primary stability is achieved and with appropriate occlusal loading to restore chewing function. The prosthetic restorations are connected to the implants through the corresponding components (abutments).

    The Straumann® Bone Level Tapered Implants 02.9 mm are indicated for reconstruction of missing incisors in the lower jaw and lateral incisors in the upper jaw.

    Straumann® Closure Caps and Healing Abutments are indicated to be placed in the dental implant after placement in the patient's jaw to protect the inner configuration of the implant and stabilize the soft tissue during the healing process. Closure Caps and Healing Abutments should be used only with the corresponding implant comection.

    Straumann® SC Temporary Abutments are indicated for use as an aid in prosthetic rehabilitations. Temporary components can be used prior to the insertion of the final components to maintain, stabilize and shape the soft tissue during the healing phase. Strauman® SC Temporary Abutments have a maximum duration of usage of 180 days.

    Straumann® SC Variobase® abutments are indicated for use as an aid in prosthetic rehabilitations. The prosthetic restoration can be cemented on the Straumann® SC Variobase® prosthetic components. A temporary restoration can be used prior to the insertion of the final components to maintain, stabilize and form the healing phase. Final abutments and restorations may be placed into occlusion when is fully osseointegrated. All digitally designed copings and/or crowns for use with the Straumann® Variobase® Abutment system are intended to be sent to Straumann for manufacture at a validated milling center.

    Straumann® SC CARES® abutments are indicated for single-tooth replacements and multiple tooth restorations. The prosthetic restoration can be cemented or directly veneered/screw-retained.

    Device Description

    The Straumann Ø2.9mm Bone Level Tapered (BLT) Implants are apically tapered implants with an external diameter of Ø2.9 mm and lengths of 10 mm, 12 mm, and 14 mm. The implants are manufactured utilizing the Roxolid material and are finished with either the SLA® or SLActive® surface. The prosthetic platform is identified as SC (Small CrossFit®) which corresponds to a shoulder diameter of Ø2.9 mm.

    The closure cap and healing abutments are manufactured from Titanium Grade 4 and are anodized blue for identification purposes. The closure cap is conical and has a height of 0.5 mm. The healing abutments are seated in the implant with a basal screw which is manufactured from TAN. The healing abutments are oval in shape and are available in four different heights ranging between 2.0 mm and 6.5 mm.

    The temporary abutments are manufactured from TAN and are anodized blue for identification purposes. The temporary abutments are oval in shape in order to accommodate narrow interdental spaces and are available with three different gingival heights ranging between 1.0 mm and 3.0 mm. The temporary abutments are seated in the implant with a basal screw which is also manufactured from TAN.

    There are three components to the Straumann® SC Variobase™ Abutments:

    • Straumann® SC Variobase™ Abutments (Ti-base)
    • Prosthetic restoration (coping and/or crown)
    • Basal Screw

    The Straumann® SC Variobase® Abutments are manufactured from TAN. The abutments are oval in shape to accommodate narrow interdental spaces and are available with three different gingival heights ranging between 1.0 mm and 3.0 mm. The abutments will be delivered with the corresponding basal screw.

    The following is an overview of the possible prosthetic restoration (coping and/or crown) materials:

    • Cast materials:
      • Type 4 metals (ISO 22674)
      • Base metal alloys (e.g., cobalt-chromium (CoCr))
      • Noble metal alloys (e.g., gold alloy)
    • Press materials:
      • IPS e.max® Press Ceramic (K120053)
    • Digital materials:
      • coron®
      • zerion® LT
      • polycon® ae

    All digitally designed copings and/or crowns for use with the Straumann® Variobase® Abutment system are intended to be sent to Straumann for manufacture at a validated milling center.

    The Straumann® SC CARES® Abutments are customized abutments manufactured from TAN. The abutments are designed by the customer by scanning the intraoral situation and designing of the shape with the CAD module of the integrated software. The design data is then sent to Straumann where the fabrication of the customized abutment is performed. The TAN alloy is capable of being directly veneered once the abutment is subject to a heat treatment step by the dental laboratory technician. A finished crown may also be cemented to the subject abutments rather than by direct veneer. The abutments will be delivered with the corresponding basal screw.

    AI/ML Overview

    The provided document (K162890) describes the regulatory submission for Straumann dental implants and associated components. However, it does not contain information about studies proving the device meets acceptance criteria for performance metrics related to diagnostic accuracy, such as sensitivity, specificity, or AUC, as these types of metrics are typically associated with diagnostic or AI-powered devices.

    Instead, the document focuses on demonstrating substantial equivalence to existing legally marketed predicate devices through various non-clinical tests. The "acceptance criteria" here relate to the successful completion of these engineering and safety tests, rather than clinical performance metrics for diagnostic capability.

    Therefore, the requested information cannot be fully provided in the format desired for diagnostic devices because this submission deals with dental implants, not a diagnostic AI.

    However, I can extract the information related to the performance testing that was conducted to support the substantial equivalence claim.


    Acceptance Criteria and Device Performance (Not applicable in the typical sense for diagnostic AI):

    The document does not present acceptance criteria or reported device performance in terms of diagnostic accuracy metrics (e.g., sensitivity, specificity, AUC) because the devices (dental implants and abutments) are not diagnostic AI devices. Instead, the "performance testing" focuses on engineering, biocompatibility, and sterilization validations to demonstrate substantial equivalence to predicate devices.

    Summary of Performance Testing Conducted (which can be seen as meeting "acceptance criteria" for safety and efficacy in this context):

    1. Sterilization Validation (Section 5.8.1):

      • Acceptance Criteria: Validation according to applicable recommendations in the FDA guidance document "Reprocessing Medical Devices in Health Care Settings: Validation Methods and Labeling, issued on March 17, 2015".
      • Reported Device Performance: The sterilization process for SC Temporary Abutments, SC Variobase Abutments, and SC CARES Abutments was validated.
    2. Biocompatibility Testing (Section 5.8.2):

      • Acceptance Criteria: Compliance with ISO 10993-1:2009 and the FDA Guidance document "Use of International Standard ISO 10993-1, 'Biological evaluation of medical devices - Part 1: Evaluation and testing within a risk management process', Guidance for Industry and Food and Drug Administration Staff, Document issued on: June 16, 2016". The subject devices should have identical nature of body contact, contact duration, material formulation, manufacturing processes, and sterilization methods compared to predicate devices, raising no new biocompatibility issues.
      • Reported Device Performance: The subject devices have identical biocompatibility characteristics to the primary and reference predicate devices. Therefore, no additional biocompatibility testing was required or performed.
    3. Software Verification and Validation Testing (Section 5.8.3): (Applicable to CARES Visual software for abutment design, which is part of the manufacturing process, not a diagnostic AI)

      • Acceptance Criteria: Compliance with FDA guidance documents "Class II Special Controls Guidance Document: Optical Impression Systems for Computer Assisted Design and Manufacturing (CAD/CAM) of Dental Restorations" and "General Principles of Software Validation; Final Guidance for Industry and FDA Staff".
      • Reported Device Performance: Software verification and validation testing were conducted; the software for the device (CARES Visual) was considered a "moderate" level of concern.
    4. Bench Testing (Section 5.8.4):

      • Acceptance Criteria: Compliance with the FDA guidance document "Guidance for Industry and FDA Staff – Class II Special Controls Guidance Document: Root-form Endosseous Dental Implants and Endosseous Dental Abutments" for dynamic fatigue, static strength, and insertion torque tests.
      • Reported Device Performance: Dynamic fatigue, static strength, and insertion torque tests demonstrated the Straumann® Ø2.9 mm Bone Level Tapered implants, SC Temporary Abutments, SC Variobase Abutments, and SC CARES abutments are equivalent to the predicate and reference devices.

    Regarding the specific questions about diagnostic AI studies:

    1. A table of acceptance criteria and the reported device performance: As explained above, not applicable for diagnostic metrics. The performance relates to engineering and safety tests.
    2. Sample size used for the test set and the data provenance: Not applicable. The "tests" mentioned are non-clinical engineering and bench tests, not studies on patient data for diagnostic evaluation.
    3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts: Not applicable, as there is no diagnostic test set or ground truth in this context.
    4. Adjudication method (e.g. 2+1, 3+1, none) for the test set: Not applicable.
    5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance: Not applicable, as this is not an AI-assisted diagnostic device.
    6. If a standalone (i.e. algorithm only without human-in-the-loop performance) was done: Not applicable.
    7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.): Not applicable to a diagnostic AI scenario. The "ground truth" for the bench tests would be the established engineering standards and physical properties of the materials.
    8. The sample size for the training set: Not applicable, as there is no AI training set.
    9. How the ground truth for the training set was established: Not applicable.
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