Dentistry – Orthodontics – By mouthpiece-type retainer
Patent
1987-11-06
1990-04-24
Peshock, Robert
Dentistry
Orthodontics
By mouthpiece-type retainer
433 24, A61C 700
Patent
active
049196120
ABSTRACT:
An orthodontic appliance is provided which has upper and lower tooth receiving troughs which include sockets for the canines and posterior teeth, the sockets being laterally spaced at a distance greater than the normal lateral spacing of the patient's posterior teeth, and a mesio-distal dimension of the canine sockets is greater than the normal mesio-distal dimension of the patient's canines to provide expansion in a deciduous or mixed dentition.
REFERENCES:
patent: 4505673 (1985-03-01), Yoshii
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