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The Osteon Precision Milled Suprastructure is indicated for attachments in the treatment of partially or fully edentulous jaws for the purpose of restoring function. The Osteon Precision Milled Suprastructures are intended for attachment to a minimum of two (2) abutments.

The Osteon Milled Suprastructure is indicated for compatibility with the following abutment systems:

• · Astra Tech Implant System® Multi Base Abutment EV, 4.8mm, max 30°
• · BioHorizons Multi Unit Abutment, 4.8mm, max 30°
  • · CONELOG® Implant System
• · Biomet 3 i Multi Unit Abutments, 4.8mm, max 30°
  • · TSXTM Implants
  • · Tapered Screw-Vent Implant
• · DESS Dental Multi Unit Abutments, 3.4-5.7 mm, 0°
  • · 3i OSSEOTITE®
  • · Astra Tech OsseoSpeed™
  • · Neodent Grand Morse
  • NobelReplace® Trilobe
  • · NobelReplace® Conical
  • · Nobel Brånemark System®
  • · Straumann BLX Implants
• · DESS Dental Multi Unit Abutments. Angled. 3.4-6.5 mm, max 30°
  • · NobelActive® NobelParallel Conical
  • Straumann® Bone Level
  • · Zimmer Screw Vent® and Tapered Screw-Vent®
• · Dentium SuperLine® Abutments, 4.5-5.5 mm, max30°
• · Genesis ACTIVE™ Multi-Unit Abutments, 4.8mm, max 30°
• · Implant Direct GPS® Angled Abutment, 5.0mm, max 30°
• KDG Abutments, 4.8mm, max 30°
• · Keystone Multi Unit Abutment, 4.8mm, 0°
• · Medentika Multi Unit Abutments, 4.8mm, max 30°
  • · EV Series Dentsply® Implants Astratech Osseospeed®
  • · F Series Nobel Biocare NobelActive® NobelReplace® Conical
  • · H Series Biomet 3i Certain®
  • L Series Straumann Bone Level
  • · N Series Straumann Soft tissue Level
  • · R Series Zimmer Dental Tapered Screwvent®
• Medentika Multi Unit Abutments, 4.8mm, 0°
  • E Series Nobel Biocare Replace™ Select
  • · I Series Biomet 3i Osseotite®
  • K Series Nobel Biocare™ Branemark
  • · S Series Astra Tech OsseoSpeedTM
  • · T Series Dentsply Friadent® Frialit/Xive®
• · MegaGen Multi Unit Abutments, 4.8mm, max 30°
• · Xpeed® AnyRidge® Internal Implant System
• AnyOne® Internal Implant System
• AnyRidge® Octa 1 Implant System
• AnyOne® External Implant System
• AnyRidge® Octa 1 Implant System
• AnyOne® Internal Implant System
• Rescue Internal Implant System
• MIS Multi-unit Abutments, 4.8mm
  • · C1 Conical Connection Implant System, max 30°
  • · V3 Conical Connection Implant System, max 30°
  • · Internal Hex Implant System, max 30°
  • · Conical Connection, max 30°
• · Neodent GM Mini Conical Abutment, 4.8 mm, max 30°
• · Nobel Biocare™ Brånemark Multi Unit Abutment, 4.8 mm, max 17°
• · Nobel Biocare™ Multi Unit Abutment Plus, 4.8 mm, max 30°
• · Nobel Biocare™ Multi Unit Abutment, 4.8 mm, max 30°
• Nobel Biocare™ Multi Unit Abutments for Straumann and Astra Tech System, 4.8 mm, max 30°
• Nobel Biocare™ Multi Unit Abutments for Astra Tech, Camlog and Ankylos Implant Systems, 4.8 mm, max 30°
• · Nobel Biocare Xeal Abutments, 4.8 mm, max 30°
• · OSSTEM Multi Unit Abutment, 4.8mm, max 30°
  • SS SA Fixture Implants
  • SA Implant System
  • · ET US SSS Prosthetic System
• · Paltop Multi Unit Abutment, 5.0 mm, max 17°
• · Southern Compact Conical Abutments, 4.8 mm
  • MAX Implant System, 0°
  • · Provata Implant System, max 30°
  • · Deep Conical (DC) Implants, 0°
  • · Piccolo Implants, 0°
  • · External Hex Implants, max 30°
• Straumann® BLX Screw Retained Abutment, 4.6 mm, max 30°
• · Straumann® Screw Retained Abutment, 4.6 mm, max 30°
• · Zimmer Angled Tapered Abutments, 4.5 mm, max 30°

The Osteon Precision Milled Suprastructures (also referred to as superstructures) are metallic dental restorative devices that are intended to be attached by screw retention to dental implant abutments to aid in the treatment of partial and totally edentulous patients for the purpose of restoring chewing function. These suprastructures attach to dental implant abutments using the prosthetic screws from the original equipment manufacturers (OEM) and are used to support the final multi-unit restoration.

The Osteon Precision Milled Suprastructure is designed for an individual patient from scans of the patient's dental impression. The suprastructure is manufactured with the aid of Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) technology. All CAD/CAM fabrication is performed by Osteon Medical.

Osteon Precision Milled Suprastructures facilitate the attachment of both removable and fixed dental prosthesis and hence are categorized as Type A and Type B.

• Type A: Intended to act as a supporting structure to facilitate the attachment of a removable dental prosthesis and include Primary Bar and Nexus Removable Bar.
• . Type B: Intended to act as a supporting structure to facilitate the attachment of a fixed dental prosthesis and include Melbourne Bar and Nexus Fixed Bar (including Nexus Hybrid, Nexus Bridge, Micro Nexus, and Nexus Wraparound).

The provided FDA 510(k) summary (K233083) describes the acceptance criteria and study for the Osteon Precision Milled Suprastructure.

1. Table of Acceptance Criteria and Reported Device Performance

This submission is a 510(k) for an expansion of an existing device (K221019) to add compatibility with new OEM abutment systems and introduce three new Type B Nexus Fixed Bars. The acceptance criteria are primarily based on demonstrating substantial equivalence to the predicate devices in terms of intended use, technological characteristics, and material composition.

The tables below synthesize the design specifications (acceptance criteria) and the device's performance (reported as meeting these specifications) by demonstrating substantial equivalence to predicate devices.

Table 1: Comparison of General Characteristics and Materials (summarized for clarity)

Table 2: Design Specifications (Acceptance Criteria vs. Reported Performance)

*Note for Suprastructure Height: The Minimum Suprastructure Height for the Micro Nexus Bar (a new Type B bar in the subject device) is 2.5 mm, which is within the stated range of 3*-22 mm, where * indicates variability for this new bar.
**Note for Suprastructure Width: The Minimum Suprastructure Width for the Micro Nexus Bar (a new Type B bar in the subject device) is 2.5 mm, which is within the stated range of 3.4**-12 mm, where ** indicates variability for this new bar.

2. Sample size used for the test set and the data provenance

The submission is a 510(k) for an expansion of an existing device (K221019). The "study" proving the device meets acceptance criteria primarily relies on non-clinical data and demonstration of substantial equivalence to predicate devices.

• Test set/Sample size: The document does not describe a "test set" in the traditional sense of a clinical or imaging study with a defined sample size for statistical analysis. Instead, it relies on:
  • Reverse engineering analysis of OEM abutments and OEM abutment screws: This was done to confirm compatibility. The sample size for this analysis is not explicitly stated but would involve the specific OEM abutments listed for compatibility with the subject device.
  • Fatigue testing: The document states, "Fatigue testing was not performed since the Subject devices are abutment-borne and are not intended to compensate for angulation in excess of the maximum angulation of OEM angled abutments..." This indicates that engineering analysis and design specifications, rather than physical fatigue testing, were used to demonstrate performance in this regard.
• Data provenance: Not directly applicable as there isn't a "test set" from patients. The data relies on engineering analysis, existing predicate device data, and compliance with standards.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts

Not applicable. This is not a study requiring expert readers to establish ground truth. Substantial equivalence claims are based on engineering, material, and design comparisons to legally marketed devices.

4. Adjudication method (e.g. 2+1, 3+1, none) for the test set

Not applicable. There is no "test set" or diagnostic performance study that would require an adjudication method.

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. This device is a physical dental suprastructure, not an AI-powered diagnostic tool.

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

Not applicable. This device is a physical dental suprastructure, not an algorithm.

7. The type of ground truth used (expert consensus, pathology, outcomes data, etc.)

The "ground truth" equivalent for this submission is the established safety and effectiveness of the primary predicate device (K221019) and various reference devices, supported by:

• Compliance with recognized standards: Biocompatibility (ISO 10993-5, ISO 10993-12), sterilization validation (ANSI/AAMI/ISO 17665-1, ANSI/AAMI/ISO 17665-2, ANSI/AAMI/ISO 14937).
• Material specifications: Conformance to ASTM F136 for titanium alloy.
• Engineering analysis and design specifications: Comparison of design features to predicate devices and confirmation of compatibility through reverse engineering.

8. The sample size for the training set

Not applicable. This is not a machine learning or AI device that requires a training set.

9. How the ground truth for the training set was established

Not applicable. As above, there is no training set for this device.

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The Osteon Precision Milled Suprastructure is indicated for attachment to dental abutments in the treatment of partially or fully edentulous jaws for the purpose of restoring function. The Osteon Precision Milled Suprastructures are intended for attachment to a minimum of two (2) abutments.

The Osteon Milled Suprastructure is indicated for compatibility with the following abutment systems:

• Astra Tech Implant System® Multi Base Abutment EV, 4.8 mm, max 30°
• DESS Dental Multi Unit Abutments, 3.4-5.7 mm, 0°
• 3i OSSEOTITE®
• Astra Tech OsseoSpeed™
• Neodent Grand Morse
• NobelReplace® Conical
• NobelReplace® Trilobe
• Nobel Brånemark System®
• Straumann BLX Implants
• DESS Dental Multi Unit Abutments, Angled, 3.4-6.5 mm, max 30°
• NobelActive® NobelParallel Conical
• Straumann® Bone Level
• Zimmer Screw Vent® and Tapered Screw-Vent®
• Dentium SuperLine® Abutments, 4.5-5.5 mm, max 30°
• Keystone Multi Unit Abutment, 4.8 mm, 0°
• Implant Direct GPS® Angled Abutment, 5.0 mm, max 30°
• MIS Multi-unit Abutments, 4.8 mm
• C1 Conical Connection Implant System, max 30°
• V3 Conical Connection Implant System, max 30°
• Internal Hex Implant System, max 30°
• Conical Connection, max 30°
• Neodent GM Mini Conical Abutment, 4.8 mm, max 30°
• Nobel Biocare Brånemark Multi-Unit Abutment, 4.8 mm, max 17°
• Nobel Biocare Multi-Unit Abutment Plus, 4.8 mm, max 30°
• Nobel Biocare Multi-Unit Abutment, 4.8 mm, max 30°
• Nobel Biocare Multi-Unit Abutments for Straumann and Astra Tech System, 4.8mm, max 30°
• Nobel Biocare Multi-Unit Abutments for Astra Tech, Camlog and Ankylos Implant Systems, 4.8 mm, max 30°
• Nobel Biocare Xeal Abutments, 4.8 mm, max 30°
• Paltop Multi Unit Abutment, 5.0 mm, max 17°
• Southern Compact Conical Abutments, 4.8 mm
• MAX Implant System, 0°
• Provata Implant System, max 30°
• Deep Conical (DC) Implants, 0°
• Piccolo Implants, 0°
• External Hex Implants, max 30°
• Straumann® BLX Screw Retained Abutment, 4.6 mm, max 30°
• Straumann® Screw Retained Abutment, 4.6 mm, max 30°
• Zimmer Angled Tapered Abutments, 4.5 mm, max 30°

The Osteon Precision Milled Suprastructures (also referred to as superstructures) are metallic dental restorative devices that are intended to be attached by screw retention to dental implant abutments to aid in the treatment of partial and totally edentulous patients for the purpose of restoring function. These suprastructures attach to dental implant abutments using the prosthetic screws from the original equipment manufacturers (OEM) and are used to support the final multi-unit restoration.

The Osteon Precision Milled Suprastructure is designed for an individual patient from scans of the patient's dental impression. The suprastructure is manufactured with the aid of Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) technology. All CAD/CAM fabrication is performed by Osteon Medical.

Osteon Precision Milled Suprastructures facilitate the attachment of both removable and fixed dental prosthesis and hence are categorized as Type A and Type B.

• Type A: Intended to act as a supporting structure to facilitate the attachment of removable dental prosthesis and include Primary Bar and Nexus Removable Bar.
• Type B: Intended to act as a supporting structure to facilitate the attachment of fixed dental prosthesis and include Melbourne Bar and Nexus Fixed Bar

Ask a specific question about this device

The Osteon Precision Milled Suprastructure is indicated for attachments in the treatment of partially orfully edentulous for the purpose of restoring chewing function. The Osteon Precision Milled Suprastructures are intended for attachment to a minimum of two (2) abutments.

The Osteon Milled Suprastructure is indicated for compatibility with the following abutment systems:

• · Nobel Biocare Multi Unit Abutment Plus, 4.8mm, max 30°
• · Nobel Biocare Xeal Abutments, 4.8mm, max 30°
• · Nobel Biocare Multi Unit Abutment, 4.8mm, max 30°
• MIS Multi-unit Abutments, 4.8mm
  • · C1 Conical Connection Implant System, max 30°
  • · V3 Conical Connection Implant System, max 30°
  • · Internal Hex Implant System, max 30°
  • · Conical Connection, max 30°
• Southern Compact Conical Abutments, 4.8mm
  • · MAX Implant System, 0°
  • · Provata Implant System, max 30°
  • · Deep Conical (DC) Implants, 0°
  • · Piccolo Implants, 0°
  • · External Hex Implants, max 30°
• · Astra Tech Implant System® Multi Base Abutment EV, 4.8mm, max 30°
• Keystone Multi Unit Abutment, 4.8mm, 0°
• · Neodent GM Mini Conical Abutment, 4.8mm, max 30°
• · Implant Direct GPS® Angled Abutment, 5.0mm, max 30°
• · Dentium SuperLine® Abutments, 4.5-5.5mm, max 30°
• · Zimmer Angled Tapered Abutments, 4.5mm, max 30°
• · Paltop Multi Unit Abutment, 5.0mm, max 17°

The Osteon Precision Milled Suprastructures (also referred as superstructures) are metallic dental restorative device that is intended for attaching by screw retention to dental abutments to aid in the treatment of partial and totally edentulous patients for the purpose of restoring their chewing function. These suprastructures attach to previously-cleared original equipment manufacturers (OEM) dental abutments using the (OEM) prosthetic screws. The abutmentborne subject devices are indicated for placement only on OEM implant/abutment constructs placed according to the labeling of the previously-cleared systems, and not to exceed the maximum angulation allowed for each OEM implant/abutment construct as identified in the Indications for Use Statement of the subject system.

The Osteon Precision Milled Suprastructure is designed for an individual patient from scans of the patient's impression. The suprastructure is manufactured in biocompatible Titanium alloy with the aid of Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) technology. All CAD/CAM fabrication is performed by Osteon Medical, within our premises.

Osteon Precision Milled Suprastructures facilitate the attachment of both removable and fixed dental prosthesis and hence categorized as type A and type B.

This document is a 510(k) summary for a dental device, the Osteon Precision Milled Suprastructure. It outlines the regulatory process and demonstrates substantial equivalence to predicate devices, rather than presenting a study that proves the device meets specific performance acceptance criteria. Therefore, most of the requested information about acceptance criteria, study details, sample sizes, expert involvement, and ground truth establishment is not available in this document.

Here's why and what information can be extracted:

• This is a 510(k) submission: The primary goal of a 510(k) is to demonstrate that a new device is "substantially equivalent" to a legally marketed predicate device, not necessarily to prove its performance against a set of novel acceptance criteria through a clinical trial.
• Focus on Substantial Equivalence: The document compares features like indications for use, materials, design, and manufacturing processes to existing devices.
• Non-Clinical Testing Mentioned: The document refers to non-clinical tests performed, but these are primarily for demonstrating compatibility, material safety, and sterility, not performance against specific clinical efficacy or accuracy metrics.

Information that can be extracted or inferred:

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

This document does not present explicit "acceptance criteria" in the traditional sense of performance metrics for an AI/algorithm-driven device. Instead, it demonstrates similarity to predicate devices based on design specifications and material properties. The "performance" is implicitly deemed acceptable if it's shown to be substantially equivalent to the established predicate devices.

(Note: "Similar" indicates that the values or characteristics fall within or are comparable to those of the predicate/reference devices, with stated differences not impacting safety/efficacy from the manufacturer's perspective.)

2. Sample sizes used for the test set and the data provenance:

• Test Set Sample Size: Not applicable. This submission relies on "non-clinical tests" (dimensional analysis, biocompatibility, sterilization validation) and comparison to existing predicate marketing clearances. It does not describe a "test set" in the context of an AI/ML algorithm evaluation with human interpretation or image analysis. The "test" consists of demonstrating manufacturing conformance and material properties for the physical device.
• Data Provenance: The device is manufactured by Implant Solutions PTY LTD (trading as Osteon Medical) in Mulgrave, Victoria, 3170 Australia. The non-clinical tests (e.g., biocompatibility and sterilization validation) would have been performed there or at certified labs. These are bench tests, not clinical data sets.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts:

• Not applicable. There's no "ground truth" to establish in the context of an AI/ML algorithm or diagnostic accuracy study. The assessment is based on physical device characteristics and established standards.

4. Adjudication method (e.g. 2+1, 3+1, none) for the test set:

• Not applicable. This is not a study requiring adjudication of expert interpretations.

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. This is a physical dental device (suprastructure), not an AI algorithm.

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

• Not applicable. This is a physical dental device (suprastructure), not an AI algorithm.

7. The type of ground truth used (expert consensus, pathology, outcomes data, etc):

• Not applicable. The "ground truth" for this medical device submission is compliance with engineering specifications, material standards (e.g., ASTM F136), and validated manufacturing processes, all demonstrated through non-clinical bench testing.

8. The sample size for the training set:

• Not applicable. This is a physical dental device. While it is manufactured using CAD/CAM technology, it does not involve an AI/ML model that requires a training set of data.

9. How the ground truth for the training set was established:

• Not applicable. See point 8.

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