(80 days)
Touth etchant And conditioners to took surface for Second's, then Rinse off 20 Proceed to Apply water. specific manda Agents As per INSTRUctions,
Not Found
The provided document is a 510(k) clearance letter from the FDA for a device named "Versa Etch." It primarily details the regulatory approval process and states that the device is substantially equivalent to legally marketed predicate devices.
However, the document does not contain any information regarding specific acceptance criteria, performance data, or study details such as sample sizes, ground truth establishment, expert qualifications, or comparative effectiveness studies. It is a regulatory approval notice, not a technical performance report.
Therefore, I cannot provide the requested information based on the input document.
§ 872.3690 Tooth shade resin material.
(a)
Identification. Tooth shade resin material is a device composed of materials such as bisphenol-A glycidyl methacrylate (Bis-GMA) intended to restore carious lesions or structural defects in teeth.(b)
Classification. Class II.