Orthodontic appliances for dental arch expansion

Details Orthodontic appliances for dental arch expansion Orthodontic appliances for dental arch expansion

1986-09-25

1988-05-03

Peshock, Robert

Dentistry

Orthodontics

By device having means to apply outwardly directed force

433 17, A61C 700

Patent

active

047416963

ABSTRACT:
A system of orthodontic appliances and method for their use for gaining space in a dental arch without extraction. Space is gained in the maxillary arch primarily through a transpalatal bar, transmitting force to selected teeth through a maxillary lingual sheath, the receiving portion of the sheath having a mesial offset of about eight degrees. Additional space in the maxillary arch may be gained by employing an extraoral force appliance, transmitting force through a maxillary buccal tube carried on a selected pair of maxillary molars. The mandibular arch is treated by applying similar forces to selected molars through a lip bumper. This appliance transmits force through a mandibular buccal tube that receives the bumper in a passage having a mesial offset of about five degrees. The mandibular buccal tube also carries an archwire receiving passage, distally offset by about four degrees.

REFERENCES:
patent: 1773588 (1930-08-01), Linde
patent: 3792529 (1974-02-01), Goshgarian
patent: 4373913 (1983-02-01), McAndrew
patent: 4408989 (1983-10-01), Cleary
patent: 4592725 (1986-06-01), Goshgarian
Ormco Catalogue, p. 43, Feb. 14, 1963, "Buccal Tubes".

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