A gingival guard for crown preparation.
A device for subgingival margin preparation is presented. The gingival guard consists of a clamp attached to the high-speed handpiece supporting a stainless steel shank terminating in a sphere. The guard permits nontraumatic subgingival margin preparation.
Fitzig
S
S
Section of Occlusion, Tel Aviv University, Israel.
Weiss
E
E
Helft
M
M
Metzger
Z
Z
D003442:Crowns; D003737:Dental Cavity Preparation / Q000295:instrumentation*; D003754:Dental High-Speed Equipment; D004867:Equipment Design; D005881:Gingiva; D006801:Humans; D011482:Protective Devices