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1 gen 1938 anni - Dr. P.B. Adams

Descrizione:

En 1938, el Dr. P.B. Adams patentó un implante endóseo cilíndrico que se roscaba tanto interna como externamente; tenía un cuello gingival liso y un tapón de cicatrización.

Aggiunto al nastro di tempo:

Historia de la prótesis dental

ByNo No
2 ott 2023
0
0
192

Data:

1 gen 1938 anni
Adesso
~ 87 years ago
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