Dentistry – Orthodontics – Bracket
Patent
1978-08-09
1980-08-26
Peshock, Robert
Dentistry
Orthodontics
Bracket
A61C 700
Patent
active
042196175
ABSTRACT:
Ceramic orthodontic brackets are disclosed. The brackets are fabricated from high alumina ceramic materials and, in preferred embodiments, have holes or grooves on the back or rear surfaces thereof to improve adhesion to the teeth. Light wire brackets are also disclosed which is substantially wider than prior art light wire brackets, but which comprise means defining a substantially point contact for an arch wire.
REFERENCES:
patent: 3085336 (1963-04-01), Kesling
patent: 3504438 (1970-04-01), Wittman et al.
patent: 3765091 (1973-10-01), Northcutt
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