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Protection against bruxism or nighttime teeth grinding; to reduce damage to teeth, and to prevent the noise associated with bruxism or grinding.

The Grind Guard is appliance is to be worn at night, covering the teeth of the upper arch, as a protection for those who suffer form the night time grinding of the teeth. It is composed of a soft, thermoformable material that is heated and briefly cooled and molded to fit user's upper teeth: shock-absorbing material cushions teeth on all sides during nocturnal bruxing.

The provided text is a 510(k) summary for the Grind Guard device. A 510(k) submission is typically for demonstrating substantial equivalence to a legally marketed predicate device, rather than proving a device meets specific acceptance criteria through extensive studies in the same way a novel high-risk device might.

The information provided does not include a detailed study that defines "acceptance criteria" for the Grind Guard's performance or a study demonstrating the device meets such criteria. The submission focuses on showing substantial equivalence to a predicate device based on indications for use, technological characteristics, principle of operation, and material.

Therefore, many of the requested items (sample sizes, expert qualifications, adjudication methods, MRMC studies, standalone performance, ground truth details, training set information) are not available in the provided text, as they are not typically required for a 510(k) submission of this type.

Here’s a breakdown of what can be extracted and what is not present:

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

No explicit acceptance criteria or reported device performance metrics (e.g., in terms of effectiveness for reducing bruxism, preventing tooth damage, or reducing noise)
are provided in the document. The submission is based on substantial equivalence to a predicate device, implicitly meaning it is expected to perform similarly to the predicate without requiring a new detailed performance study.

2. Sample size used for the test set and the data provenance (e.g. country of origin of the data, retrospective or prospective)

Not applicable. No performance studies or test sets are described. The submission is based on comparison to a predicate device.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts (e.g. radiologist with 10 years of experience)

Not applicable. No performance studies or ground truth establishment for a test set are described.

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

Not applicable. No performance studies or test set adjudication are described.

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. The Grind Guard is a medical device, not an AI software, and no comparative effectiveness study, MRMC, or human reader assistance is mentioned.

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

Not applicable. The Grind Guard is a physical medical device, not an algorithm.

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

Not applicable. No performance studies or ground truth are described. The basis for approval is substantial equivalence to the predicate device, which implies the predicate was deemed safe and effective for its stated indications.

8. The sample size for the training set

Not applicable. No training set is mentioned as this is a physical device, not an AI/ML algorithm.

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

Not applicable. No training set or ground truth establishment for a training set is described.

Summary of Device and Approval Process from the Text:

• Device Name: Grind Guard
• Intended Use: Protection against bruxism or nighttime teeth grinding; to reduce damage to teeth, and to prevent the noise associated with bruxism or grinding.
• Device Type: Mouthguard, Over-the-Counter
• Approval Method: 510(k) Premarket Notification, which demonstrates substantial equivalence to a predicate device.
• Predicate Device: Doctor's Night Guard (K053580) by Dental Concepts.
• Basis for Equivalence: Indications for use, general technological characteristics, principle of operation, and material.
• Conclusion: The FDA reviewed the submission and determined the device is substantially equivalent to legally marketed predicate devices, allowing it to be marketed subject to general controls.

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