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The SMARTbase Abutment System is designed to be used in support of a dental implant(s) to provide support for prosthetic restorations in a partially or fully edentulous patient. The SMARTbase Abutment System is intended for use in the mandible or maxilla in support of single or multiple unit restorations.

The SMARTbase Abutment System integrates multiple components for use in both a traditional and digital dentistry workflow: scan files from Intra-oral Scanners, CAD software, CAM software, ceramic material, milling machine and associated tooling and accessories. The SMARTbase Abutment System consists of two major parts: the titanium base and zirconia top components make up a two-piece abutment.

• SMARTbase abutment for narrow (3.2mmD) Legacy implants: Indicated for single-tooth replacement of mandbular central and lateral incisors and maxillary lateral incisors.
• SMARTbase abutment for short (8mm) 3.7mmD Legacy implants: Indicated for tooth replacement of mandbular and maxillary central and lateral incisors.
• SMARTbase abutment for narrow diameter (3.2. 3.3mm) InterActive implants: Indicated for single-tooth replacement of mandibular central and lateral incisors and maxillary lateral incisors. Also indicated for multiple tooth replacements or denture stabilization.

The SMARTbase Abutment System is a two-piece engaging and non-engaging dental implant abutment comprised of a titanium base and a zirconia top (which can be supplied with the base or acquired separately by the customer). There are three device lines offered in the SMARTbase Abutment System: Legacy™ SMARTbase Abutment, InterActive™ SMARTbase Abutment, and SMARTbase Cylinder.

The abutments are offered in three widths (narrow, regular, and wide), platform diameters of 3.0mm, 3.5mm, 4.5mm and 5.7mm for Legacy™ and 3.0mm, 3.4mm for InterActive™, and collar (titanium base) heights of 0.25, 1.0, and 2.0 mm in order to accommodate different patient anatomies. The SMARTbase Cylinder is a two-piece non-engaging dental implant and multi-unit abutment cylinder comprised of a titanium base and a zirconia top (which can be supplied with the base or acquired separately by the customer). The SMARTbase Cylinder is offered in two heights 9.0mm (that can be shortened to 4.0mm) and 4.0mm and in one width, platform diameters and collar (titanium base) height in order to accommodate different patient anatomies.

The subject device is supplied with fixation screws that function as an extension of the implant or multi-unit abutment to which the SMARTbase Abutment or SMARTbase Cylinder is secured and is used with several accessories in digital workflows to fabricate the patient-specific restorations, including scan adapters, implant analogs, and off-axis tools.

The available design options for the zirconia top components to be provided either as a superstructure (to then receive a separate crown or bridge) or hybrid abutment-crown. There are three workflow options for fabricating the zirconia top component which fits the titanium abutment base:

(1) end user creation of a press-ceramic material by conventional wax-up technique,

(2) Implant Direct design and milling of zirconia in stock sizes using ceramic material of ZirCAD Prime (K142233) and provision of same to the end user, and

(3) digital workflow using 3Shape or Exocad software where CAD design and milling of the superstructure or hybrid crown component is done at the end user's dental laboratory/office; the CAD design requires loading of Implant Direct's abutment design library to the 3Shape or Exocad software to design the superstructure or hybrid crown component within the established design limitations and specifications. The digital workflow includes use of the following products (not subject devices of this submission):

• Ceramic material: ZirCAD Prime (K142233) .
• . Cement: Maxcem Elite Self-Etch/Self-Adhesive Resin Cement (K060469)
• . Composite: Kerr Harmonized (K151332)
• Intra oral scanners: Medit Scanner, ITero Scanner Trios Scanner, CareStream . Scanner
• Abutment design software: 3Shape Abutment Designer™ Software (K151455) and • Exocad AbutmentCAD Software (K193352)
• . Milling machine: Wieland-Zenotec Select, Zenotec CAM, iCAM V5, and imes icore

This document describes a premarket notification for the "SMARTbase Abutment System," a dental implant abutment. The document focuses on demonstrating that the new device is substantially equivalent to existing predicate devices through various performance tests.

Here's an analysis of the acceptance criteria and the studies performed, 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 with corresponding performance results in a single, clear format for each test. Instead, it states that "The test results support that the Subject Device met the performance specifications as intended." and "The difference does not introduce a fundamentally new scientific technology and the nonclinical tests demonstrate that the device is substantial equivalent."

However, we can infer the types of performance tests and the general acceptance (i.e., compliance) from the "x. Performance Testing Data" section.

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

• Sample Size for Test Set: The document does not specify the exact sample sizes used for each of the performance tests (e.g., number of abutments subjected to fatigue testing).
• Data Provenance: The document does not explicitly state the country of origin or whether the studies were retrospective or prospective. Given that this is a premarket notification for regulatory clearance, the testing would generally be conducted by the manufacturer or a contract research organization on manufactured devices, following established protocols. It is non-clinical testing, meaning it's not performed on patients.

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

This question is not applicable as the document describes non-clinical performance testing for a medical device (dental abutment), not studies involving expert evaluation of diagnostic outputs or ground truth for AI algorithms. The "ground truth" here is defined by engineering standards (e.g., ISO, ASTM).

4. Adjudication Method for the Test Set

This question is not applicable for the same reasons as #3. Adjudication methods (like 2+1) are typically used for establishing ground truth in clinical or diagnostic studies involving human interpretation or pathology.

5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done, and Effect Size

This question is not applicable. The document describes non-clinical performance testing of a physical dental abutment and associated design software. It does not involve human readers, cases, or AI assistance in a diagnostic context.

6. If a Standalone (Algorithm Only Without Human-in-the-Loop Performance) Was Done

For the software component:

• Standalone Performance: Yes, standalone software verification and validation testing was performed for the abutment design library. This testing demonstrated that the software's inherent design restrictions and specifications for creating the top half of the two-piece abutment prevent designs outside allowable limitations and that the design limitations are locked and cannot be modified. This is essentially an "algorithm only" test to ensure the software functions as designed within its specified parameters.

7. The Type of Ground Truth Used

• For Physical Device Performance (Fatigue, MR Compatibility, Biocompatibility, Sterilization, Shipping): The ground truth is based on established international and national standards (e.g., ISO 14801, ISO 10993-1, ISO 17665-1, ASTM F2052, ASTM D4169). Compliance with these standards serves as the "ground truth" for acceptable mechanical, safety, and operational performance.
• For Software Verification & Validation: The ground truth is the defined design limitations and specifications established by the manufacturer for the abutment components. The software's ability to enforce these limitations (preventing designs outside them and locking specifications) constitutes meeting this "ground truth."

8. The Sample Size for the Training Set

This question is not applicable. The device is a physical dental abutment and associated design software. It is not an AI/ML algorithm that requires a "training set" in the conventional sense for learning patterns from data to make predictions or classifications. The "training" for the software is its programmed adherence to design rules and specifications.

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

This question is not applicable for the same reasons as #8. There is no training set mentioned for an AI/ML model. The software's functional parameters are established through engineering design and specifications.

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Simply Iconic™ dental implants are two-piece implants for one-stage surgical procedures. These implants are intended for use in partially and fully edentulous upper and lower jaws in support of single or multiple-unit restorations and termediate abutment support for fixed bridgework. Implants can be indicated for immediate loading when stability has been achieved and with appropriate occlusal loading.

Legacy2, simplyLegacy2, Legacy3, simplyLegacy3, and Legacy4 dental implants are two-piece implants for one-stage or twostage surgical procedures. These implants are intended for use in partially and fully edentulous upper and lower jaws in support of single or multiple-unit restorations and terminal or intermediate abutment support for fixed bridgework. Implants can be indicated for immediate loading when good primary stability has been achieved and with appropriate occlusal loading. The Legacy 2, Legacy3, and Legacy4 fixture-mounts are intended for use with the corresponding dental implants (Legacy3, and Legacy4, respectively). The fixture-mounts can function as an abutment, fixture-mounts are intended for use with dental implants in the maxillary and/or mandbular arches to provide support for crowns or bridges for edentulous or partially edentulous patients.

Custom Titanium Abutments are customizable devices intended for use with dental implants in the maxillary and or mandibular arches to provide support for crowns or bridges for edentulous or partially edentulous patients.

The Legacy™ SMARTBase Abutment system is designed to be used in support of a dental implant(s) to provide support for prosthetic restorations in a partially edentulous patient. Legacy SMARTBase engaging abutments are intended for use in the mandible or maxilla in support of single unit restorations.

InterActive/SwishActive Implant System consists of two-piece implants for one-stage surgical procedures. These implants are intended for use in partially and fully edentulous upper and lower jaws in support of single or multiple-unit restorations and terminal or internediate SMARTBase support for fixed bridgework.

Implant Direct Custom Bars are patient specific devices indicated for attachment to dental implants in the treatment of partially or fully edentulous jaws for the purpose of restoring chewing function.

GPS® Angled Abutments are designed to be used in support of a dental implant(s) to provide support for prosthetic restorations in a partially or completely edentulous patient. These abutments are designed to only receive a fabricated multi-unit bridge or overdenture. Abutments are intended for use in the mandible or maxilla. Implants can be indicated for immediate loading when good primary stability has been achieved and with appropriate occlusal loading.

InterActive/SwishActive Implant System consists of two-piece implants for one-stage surgical procedures. These implants are intended for use in partially and fully edentulous upper and lower jaws in support of single or multipleunit restorations and terminal or intermediate abutment support for fixed bridgework. Implants can be indicated for immediate loading when good primary stability has been achieved and with appropriate occlusal loading.

Legacy3 6mm Length consists of two-piece implants for one-stage or two-stage surgical procedures. There implants are intended for use in partially and fully edentulous upper and lower jaws in support of single or multiple-unit restorations and terminal or internediate abutment support for fixed bridgework. Implants can be indicated for immediate loading when good primary stability has been achieved and with appropriate occlusal loading.

InterActive/SwishPlus2 Implant System consists of two-piece implants for one-stage or two-stage surgical procedures. These implants are intended for use in partially and fully edentulous upper and lower jaws in support of single or multiple-unit restorations and terminal or intermediate abutment support for fixed bridgework: Implants can be indicated for immediate loading when good primary stability has been achieved and with appropriate occlusal loading.

Spectra-System Dental Implants 2008 are comprised of dental implant fixtures and prosthetic devices that compose a two-piece implant system. The implants are intended for use in the mandible and maxilla, in support of single unit or multiple unit cement or screw-receiving restorations and for the retention and support of overdentures. The implants are intended for immediate placement and function for the support of single-tooth restorations, recognizing bone stability and appropriate occlusal load requirements.

The SwissPlant Dental Implant system consists of two-piece implants for one or two-stage surgical procedures that are intended for use in partially or fully edentulous maxillae, in support of single or multiple-unit restorations including: cement retained, screw retained or overdenture restorations and in terminal or immediate abutment support for fixed bridgework. The SwissPlant dental implants are intended for immediate placement and function on single tooth and/or multiple tooth applications recognizing initial implant stability and appropriate occlusal loading, to restore normal masticatory function.

Spectra-System Abutments are designed to be used in support of a dental implant(s) to provide support for prosthetic restorations such as crowns, bridges, overdentures or custom prosthetic fabrications in a partially or completely edentulous patient. Spectra-System Abutments are intended for use in the mandble or maxilla. Prostheses can be screw or cement retained to the abutment.

The ReActive Dental Implant System are dental implant fixtures that are a part of a two-piece implant system. The ReActive implants are intended for use in the mandible and maxilla, in support of single or multiple-unit cement or screw receiving fixed restorations and for retention and support of overdentures. The implants are intended for immediate placement and function for support of single tooth and/or multiple tooth restorations, recognizing bone stability and appropriate occlusal load requirements.

ScrewIndirect Narrow Dental Implants for single-stage surgical procedures intended for use in partially or fully edentulous mandibles and maxillae, in support of complete or partial denture prostheses or as a terminal or intermediary attachment for fixed or removable bridgework via interface with copings. These implants are intended for for support of splinted multiple tooth restorations, provided initial implant stability and appropriate occlusal load requirements are met.

The RePlus Dental Implants with HA coating are dental implant fixtures that are a part of a two-piece implant system. The RePlus implants are intended for use in the mandible and maxilla, in support of single or multiple-unit cement or screw receiving fixed restorations and for retention and support of overdentures. The immediate loading for support of single tooth and/or multiple tooth restorations, provided initial implant stability and appropriate occlusal load requirements are met.

The ScrewPlus Dental Implant with HA coating is a dental implant fixture that is a part of a two-piece implant system that is to be used for single-stage or two-stage surgical procedures. The ScrewPlus implants are intended for use in the mandible and maxilla, in support of single or multiple-unit cement or screw receiving fixed restoration and support of overdentures. The implants are intended for immediate placement and function for multiple tooth and/or multiple tooth restorations, recognizing bone stability and appropriate occlusal load requirements.

The Legacy Dental Implant with HA coating is a dental implant fixture that is a part of a two-piece implant system. The Legacy implants are intended for use in the mandible and maxilla, in support of single or multiple-unit cement or screw receiving fixed restorations and for retention and support of overdentures. The implants are intended for immediate placement and function for support of single tooth and/or multiple tooth restorations, recognizing bone stability and appropriate occlusal load requirements.

The Spectra Dental Implant System consists of one-piece implants for single-stage or two- stage surgical procedures that are intended for use in partially or fully edentulous mandillae, in support of single or multiple-unit restorations and terminal or intermediate abutment support for fixed bridgework. They may be placed in immediate function if initial implant stability can be established.

The Legacy Abutment System is intended for use with dental implants in the maxillary and/or mandbular arches to provide support for crowns, bridges, or overdentures for edentulous or partially edentulous patients.

Not Found

The provided text is a compilation of Indications for Use statements for various dental implant systems and components, all under the umbrella of "Implant Direct Dental Implant Systems Portfolio - MR Conditional." Each section describes the intended use for a specific product or family of products, often referencing previous 510(k) clearances.

Crucially, this document does not contain any information about acceptance criteria or studies that prove the device meets these criteria. It is a regulatory filing for the Indications for Use for a medical device which has already been cleared by the FDA to be "substantially equivalent" to predicate devices.

Therefore, I cannot fulfill the request to describe acceptance criteria and the study that proves the device meets the acceptance criteria based solely on the provided text. The document is for describing what the device is for, not how its performance was tested or validated.

To provide the requested information, I would need a different type of document, such as a summary of safety and effectiveness, a clinical study report, or a validation plan for a specific performance characteristic.

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