Orthodontic device to serve as removable anchorage for elastic t

Details Orthodontic device to serve as removable anchorage for elastic t Orthodontic device to serve as removable anchorage for elastic t

1984-03-22

1985-06-25

Peshock, Robert

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 700

Patent

active

045251436

ABSTRACT:
An orthodontic device for providing a removable anchorage for elastic traction between upper and lower molars. A smaller-diameter wire having a free posterior end and a larger-diameter wire having a posterior end lying anteriorly to the posterior end of the smaller-diameter wire are connected together well anterior of their posterior ends. At least one wire has stop means thereon spaced from its posterior end, while a short hook depends from at least one wire adjacent to its anterior end. In installation the device is used in conjuction with a first metal band suitable for attachment around an upper molar and having two buccal tubes, namely a larger-diameter tube and a smaller-diameter tube in which are inserted the two wires. A second metal band encircles a lower molar corresponding to the upper molar and has band anchor means on its buccal side. An elastic band joins the anchor means to the hook.

REFERENCES:
patent: 1938428 (1933-12-01), Johnson
patent: 4245986 (1981-01-01), Andrews

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