Dentistry – Orthodontics – By mouthpiece-type retainer
Patent
1987-10-13
1988-11-15
Peshock, Robert
Dentistry
Orthodontics
By mouthpiece-type retainer
A61C 700
Patent
active
047846054
ABSTRACT:
An orthodontic tooth positioning appliance is provided for correcting open-bite which includes a web region engageable by the posterior teeth to prevent further eruption of those teeth and a vertical gap between the occlusal surfaces of the anterior teeth to permit further eruption of those teeth. The appliance may also include a tongue guide profile including at least one pointed protrusion on the lingual side of the lower midline portion of the appliance and a recessed area above the protrusion for receiving a tip of the tongue.
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