Dentistry – Apparatus – Tool bit
Patent
1988-11-18
1991-11-19
Swiatek, Robert P.
Dentistry
Apparatus
Tool bit
433221, 433225, 433102, A61C 302, A61C 504
Patent
active
050662309
ABSTRACT:
There is provided a combination dental tool for forming a bore in a tooth stub and which can then be used for the anchoring of a dental prosthesis to the stub. The combination tool is formed having a first cutting end portion and an opposite, and second, holder end portion, to be held by a dental handpiece. The holder portion is formed adjacent a crown anchor portion and the holder portion can be removed after the bore is formed. Preferably, the crown anchor portion is formed of a softer material which can be readily formed to the desired shape for the prosthesis. The cutting portion preferably has alternating sections of larger and smaller diameter and has laterally facing cutting surfaces to form undercut portions along the bore to aid in firmer seating of the anchor post.
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Amaral Anthony
Lucchesi Nicholas D.
Magidoff Barry G.
Sutton Paul J.
Swiatek Robert P.
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