Dental prosthetic from hard, rigid, non-hydrophilic polyurethane

Details Dental prosthetic from hard, rigid, non-hydrophilic polyurethane Dental prosthetic from hard, rigid, non-hydrophilic polyurethane

1982-08-12

1988-12-13

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

4331991, 524115, 525440, 528 66, 528 77, 528 80, 528 81, 528 83, C08G 1832, A61C 1300

Patent

active

047911565

ABSTRACT:
There is provided hard, non-toxic, substantially non-hydrophilic dentures including dentures comprising teeth anchored in or bonded to the denture material and optionally a linear of relatively soft elastomer. The hard dentures possess several highly desirable properties such as high heat distortion temperature and excellent impact resistance and rigidity resulting in excellent alignment with oral tissue and retention of superior fit and resistance to distortion under high thermal conditions.

REFERENCES:
patent: 3251910 (1966-05-01), Barnhart
patent: 3579482 (1971-05-01), Brotherton et al.
patent: 3987546 (1976-10-01), Trampe
patent: 4024637 (1977-05-01), Colpitts
patent: 4080412 (1978-03-01), Colpitts et al.
patent: 4225696 (1980-09-01), Colpitts et al.

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