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jan 1, 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.

Added to timeline:

Historia de la prótesis dental

ByNo No
2 Oct 2023
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185

Date:

jan 1, 1938
Now
~ 87 years ago
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