Dentistry – Orthodontics – Including extra-oral force transmitting means
Patent
1983-04-28
1984-06-12
Peshock, Robert
Dentistry
Orthodontics
Including extra-oral force transmitting means
A61C 700
Patent
active
044539177
ABSTRACT:
An improved orthodontic face bow is disclosed. The face bow includes first and second bow-shaped members. The first bow-shaped member is worn inside the mouth and has means for attachment to the teeth to be displaced distally. The second bow-shaped member is worn extra-orally and has means for attachment to a tension-applying means such as an elastic strap worn around the neck or head. The first and second bow-shaped members have means for removably coupling the two bow-shaped members together. This feature allows the second outer bow-shaped member to be uncoupled from the first bow-shaped member without removing the first inner bow-shaped member from the mouth, thus making the face bow much safer than known face bows of one piece construction.
REFERENCES:
patent: 664412 (1900-12-01), Knapp
patent: 3866322 (1975-02-01), Broussard
patent: 3997971 (1976-12-01), Moss
patent: 4087915 (1978-05-01), Andrews
patent: 4212637 (1980-07-01), Dougherty et al.
Nodai Etsuo
Watanabe Takeshi
GAC International, Inc.
Peshock Robert
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