Dental drill bit having disordered, wear resistant boron carbon

Details Dental drill bit having disordered, wear resistant boron carbon Dental drill bit having disordered, wear resistant boron carbon

1986-09-17

1987-11-24

Swisher, Nancy

Dentistry

Apparatus

Tool bit

428698, 433166, A61C 302

Patent

active

047086530

ABSTRACT:
A wear resistant dental burr coating is provided. The wear resistant coating comprises an external layer of disordered boron and carbon applied to the dental burr. In accordance with one embodiment, the disordered boron and carbon external coating is of a composition B.sub.x C.sub.1-x where x is from about 0.60 to about 0.90.

REFERENCES:
patent: 3670416 (1972-06-01), Kroder
patent: 4058898 (1977-11-01), Nash
patent: 4270903 (1981-06-01), Nash
patent: 4526542 (1985-07-01), Kochis
patent: 4594294 (1986-06-01), Eichen et al.

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