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510(k) Data Aggregation

    K Number
    K100152
    Date Cleared
    2010-10-22

    (276 days)

    Product Code
    Regulation Number
    872.3630
    Why did this record match?
    Device Name :

    SIRONA CAD/CAM SYSTEM

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

    The Sirona Dental CAD/CAM System is intended for use in partially or fully edentulous mandibles and maxillae in support of single or multiple-unit cement retained restorations. The system consists of three major parts: TiBase, InCoris mesostructure, and CAD/CAM software. Specifically, the InCoris mesostructure and TiBase components make up a two-piece abutment which is used in conjunction with endosseous dental implants to restore the function and aesthetics in the oral cavity. The InCoris mesostructure may also be used in conjunction with the Camlog Titanium base CAD/CAM (types K2244.xxxx) (K083496) in the Camlog Implant System. The CAD/CAM software is intended to design and fabricate the InCoris mesostructure. The InCoris mesostructure and TiBase two-piece abutment is compatible with the following implants systems:

    Device Description

    The Sirona Dental CAD/CAM-System takes optical impressions and records the topographical characteristics of teeth, dental impressions, or stone models. Dental restorative prosthetic devices are manufactured using computer aided design and fabrication. The system also features the processing of mesostructures, a dental restorative prosthetic device used in conjunction with endosseous dental implant abutments.
    The system that features the processing of mesostructures comprises

    • Titanium bases TiBase and Camlog
    • inCoris ZI meso blocks
    • Sirona Dental CAD/CAM Design and fabricating devices

    Titanium bases are used as an implant prosthetic titanium base for adhesion to mesostructures to restore function and aesthetics in the oral cavity.
    inCoris ZI meso blocks are used in manufacturing individually designed inCoris ZI meso mesostructures, which are glued to a fitting titanium base after milling and sintering.
    Sirona Dental CAD/CAM design and fabricating devices feature the processing of mesostructures, a dental restorative prosthetic device used in conjunction with endosseous dental implant abutments, i.e. it is an accessory to it. This component consists of the devices CEREC3, CEREC AC, inEos, inEos Blue, CEREC MCXL and inLab MCXL.

    AI/ML Overview

    The provided document is a 510(k) summary for a dental CAD/CAM system. It does not contain information about studies involving acceptance criteria in the traditional sense of AI/ML performance evaluation (e.g., sensitivity, specificity, accuracy, F1-score). Instead, this document focuses on demonstrating substantial equivalence to predicate devices through comparisons of intended use, materials, design, and physical/performance characteristics.

    Therefore, many of the requested categories for AI/ML study details, such as sample size for test sets, data provenance, number of experts, adjudication methods, MRMC studies, standalone performance, and training set information, are not applicable to the content presented in this 510(k) summary.

    The closest equivalent to "acceptance criteria" and "device performance" in this context are the physical and chemical properties of the materials and the design/functional equivalence to established predicate devices.

    Here's an attempt to extract relevant information given the nature of the document:

    1. Table of acceptance criteria and the reported device performance

    The document does not explicitly state "acceptance criteria" in a quantitative, pass/fail manner for overall device performance. Instead, it compares the new device's characteristics to those of predicate devices, arguing for "substantial equivalence." The performance characteristics listed are material properties and design features.

    Acceptance Criteria (Implied by Predicate Equivalence)Reported Device Performance (Sirona Dental CAD/CAM System Components)
    TiBase:
    Material: Ti6Al4V (medical grade 5)Made of Ti6Al4V (medical grade 5)
    Connection interfaces to implants: Identical to predicates for each diameter/typeIdentical to predicates; notch in addition for dental restorations
    Abutment screw material: Ti6Al4VMade of Ti6Al4V
    Physical properties: Comply with ISO 5832-3:1996Complies with ISO 5832-3:1996
    inCoris ZI meso:
    Material: Zirconium oxide, similar composition to predicatesZirconium oxide (ZrO2+HfO2+Y2O3 > 99.0%, Al2O3 6.00 g/cm³ (from predicate)
    Flexural strength: > 800MPa (from predicate)> 900MPa
    Anti-rotational feature: NotchNotch
    Bonding Material: Panavia F 2.0Panavia F 2.0
    CAD/CAM Design & Fabrication Devices:
    Ability to take optical impressionsYes (CEREC3, CEREC AC, inEos, inEos Blue)
    Design mesostructures from recorded data (CAD)Yes (Sirona Dental CAD/CAM Software)
    Fabricate/mill mesostructures (CAM)Yes (CEREC MCXL, inLab MCXL)
    Transfer data to remote milling machineYes (via internet/exportation/importation)
    Scan Implant Interface/surfaceYes (or with mounted scanbody)
    Scan custom wax-upYes
    Preparation of customized mesostructureYes
    Bond milled mesostructure to metal abutmentYes
    Create fitting crownYes

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

    Not applicable. This document describes a medical device submission based on substantial equivalence to existing predicate devices, not a clinical or performance study with a test set of data. The "testing" referred to is nonclinical (fatigue analysis, reverse-engineering for design equivalence).

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

    Not applicable. Ground truth for a test set is not relevant in this context. The document relies on engineering analysis and comparison against established standards and predicate device specifications.

    4. Adjudication method

    Not applicable. Adjudication methods are used in studies involving expert review, which is not described here.

    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 CAD/CAM system for fabricating dental restorations, not an AI-assisted diagnostic or interpretive device involving human readers.

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

    Not applicable. The CAD/CAM system involves an optical acquisition unit, software for design (human-in-the-loop), and milling machines. It's not a standalone algorithm in the AI/ML sense.

    7. The type of ground truth used

    For the material and physical properties, the "ground truth" is established by adherence to recognized international standards (e.g., ISO 5832-3:1996 for TiBase material, ISO 13356:1997 for inCoris ZI meso material) and direct comparison to predicate device specifications.

    8. The sample size for the training set

    Not applicable. There is no mention of a "training set" as this is not an AI/ML algorithm requiring learning from data.

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

    Not applicable.

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