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1 janv. 1938 - Dr. P.B. Adams

Description:

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.

Ajouté au bande de temps:

Historia de la prótesis dental

ByNo No
2 oct. 2023
0
0
192

Date:

1 janv. 1938
Maintenaint
~ Il y a 87 ans
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