A dental system for removing a predetermined portion of a tooth structure and a dental overlay device for receiving a dental instrument and for limiting the operation of the dental instrument to the removal of a predetermined portion of tooth structure

摘要

The present invention is directed to a system of devices and a method for preparing a tooth to receive a restoration. The system includes a dental instrument for removal of portions of a tooth in the mouth of a patent and an overlay for guiding the dental instrument during the step of tooth removal. The overlay is designed for temporary installation into the mouth of the patient to guide the dental instrument to remove tooth material. The overlay has one or more sets of guide walls, with a predetermined configuration capable of contacting one or more guide projections of the dental instrument, and a receptacle capable of receiving and attaching to the dental instrument.