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Autor:
Arthur C. Jermyn
Publikováno v:
The Journal of Prosthetic Dentistry. 18:316-325
Patents on suction cup dentures were issued to J. Spyer and R. S. Ingalls in 1885.1, "~ These patents covered multiple projections on the tissue (basal) surface of dentures. A patent was issued in 1907 to G. W. Morgan for suction cavities in a soft r
Autor:
Arthur C. Jermyn
Publikováno v:
The Journal of prosthetic dentistry. 17(4)