Dentistry – Orthodontics – Means to transmit or apply force to tooth
Reexamination Certificate
2005-03-08
2005-03-08
O'Connor, Cary E. (Department: 3732)
Dentistry
Orthodontics
Means to transmit or apply force to tooth
C433S173000
Reexamination Certificate
active
06863528
ABSTRACT:
An orthodontic pin includes a pin body and a fastening member screwed into the pin body. An elastic element is connected at an end to the orthodontic pin by extending the fastening member through a ring provided at the end of the elastic element before screwing it into the pin body. When the elastic element becomes loose due to any change in the position of a tooth being corrected, it can be determined the elastic element needs replacement. Since the fastening member can be easily loosened from the pin body of the orthodontic pin, the elastic element can be conveniently removed from the pin body to facilitate quick replacement of the elastic element.
REFERENCES:
patent: 5961329 (1999-10-01), Stucki-McCormick
patent: 6726475 (2004-04-01), Lin
O'Connor Cary E.
Stokes Candice C.
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