Dental bur

Details Dental bur Dental bur

2003-12-03

2008-03-25

Wilson, John J (Department: 3732)

Dentistry

Apparatus

Tool bit

Reexamination Certificate

active

07347692

ABSTRACT:
A dental bur structure including a rotatable shaft turned by a motor. The shaft possesses a proximal portion having a fluted surface. The bur also possesses a distal portion with a smooth surface tip which generates heat to melt a composite post matrix upon activation of the shaft. The fluted surface removes a composite material while the smooth tip serves as a guide for the bur.

REFERENCES:
patent: 2453696 (1948-11-01), Brooks
patent: 2807264 (1957-09-01), Tuck
patent: 3832779 (1974-09-01), Reynaud
patent: 5104316 (1992-04-01), McSpadden
patent: 5275563 (1994-01-01), Cohen et al.
patent: 5782636 (1998-07-01), Armstrong et al.

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