Apparatus and method for making positioners

Details Apparatus and method for making positioners Apparatus and method for making positioners

1986-05-09

1987-09-01

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Dental shaping type

264293, 264320, 425385, 425394, 425397, 425400, 425411, 425445, B29C 4304, B29C 4352

Patent

active

046907874

ABSTRACT:
Method and apparatus for forming tooth positioners. The apparatus includes a pair of aligned model mounts which are relatively movable toward each other, a holding member between the mounts having a cavity for a positioner blank, a heating element embedded in the holding member, and a sandwiching pressure applicator. Preferred embodiments include a carrier member with which the holding member is removably engageable. The method includes heating the holding member by applying heat internally to it and applying sandwiching pressure to the blank, preferably concurrently.

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