Dentistry – Orthodontics – By mouthpiece-type retainer
Patent
1987-04-08
1991-07-02
Hoag, Willard E.
Dentistry
Orthodontics
By mouthpiece-type retainer
264 16, 264 80, A61C 300
Patent
active
050282310
ABSTRACT:
An optically clear custom tooth positioning and retaining appliance made in a flask or mold device having mold members from an elastomeric or resilient thermoplastic material with the capability of having optically clear transparentness. After the appliance has been trimmed and/or buff polished subsequent to molding thereof which causes the appliance to have a frosty or translucent appearance, the exterior surfaces of the appliance has been subjected to a source of concentrated heat to cause surface melting which produces transparentness, cooling the appliance before, during and after heating as needed to preserve its integrity, and optionally utilizing the mold members from the flask or reproductions thereof in the archways of the appliance during heating thereof.
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Hoag Willard E.
TP Orthodontics Inc.
Zickert Lloyd L.
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