Apparatus, method, and kit for fabricating dental clasps

Details Apparatus, method, and kit for fabricating dental clasps Apparatus, method, and kit for fabricating dental clasps

2007-12-04

2007-12-04

Rodriguez, Cris (Department: 3732)

Dentistry

Apparatus

Having static product shaping surface

C433S090000, C433S032000

Reexamination Certificate

active

11125255

ABSTRACT:
The invention disclosed herein relates to an efficient and inexpensive way to form dental clasps and fixed single unit temporary prostheses from molten thermoplastic resin. The apparatus and method allow a dental laboratory to make non-metallic clasps using an inexpensive handheld thermoplastic injection unit/gun that injects molten resin into a model of the clasp made from wax. A silicone putty matrix allows the resin to flow into a vacated wax model of the clasp. The time and money needed for this is much less than is needed to create such clasps using hot press equipment.

REFERENCES:
patent: 2437264 (1948-03-01), Manning
patent: 5846082 (1998-12-01), Thornton
patent: 6855278 (2005-02-01), Lichkus et al.
Pending U.S. Appl. No. 10/166,429, filed Jun. 10, 2002, Kutsch, VK et al., Materials and Methods for Producing Dental Prostheses.
www.cdmonline.biz/labs/training/HSGtraining/HotShot AcetalClaspGunManual.

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