Manufacturing system for fixed dental prosthesis

Details Manufacturing system for fixed dental prosthesis Manufacturing system for fixed dental prosthesis

1984-04-17

1986-04-01

Wilson, John J.

Dentistry

Prosthodontics

Tooth construction

4332001, A61C 1308

Patent

active

045795290

ABSTRACT:
The present invention relates to a fixed dental prosthesis having a non-metallic central nucleus, a metallic tube-shaped frame surrounding the nucleus, and an external coating surrounding the frame. The nucleus and coating comprise the same material and are joined together without any discontinuity along the upper and lower edges of the frame in order to define the crown and base of the dental prosthesis. The invention further relates to a system for fixed dental prostheses including a plurality of dental pieces fixed together, each of the dental pieces, including the non-metallic central nucleus, a metallic tube-shaped frame surrounding the nucleus, and an external coating surrounding the frame.

REFERENCES:
patent: 448745 (1891-03-01), Wright
patent: 633071 (1899-09-01), Campbell
patent: 1501992 (1924-07-01), Goering
patent: 2778111 (1957-01-01), Bitter
patent: 3052982 (1962-08-01), Weinstein
patent: 4059901 (1977-11-01), Spalten
patent: 4229170 (1980-10-01), Perez
patent: 4231740 (1980-11-01), Shoher
patent: 4481036 (1984-11-01), Panzer

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