Dentistry – Method or material for testing – treating – restoring – or... – Anchor pin
Patent
1988-08-31
1989-10-03
Peshock, Robert
Dentistry
Method or material for testing, treating, restoring, or...
Anchor pin
A61C 504
Patent
active
048713139
ABSTRACT:
The stem is tubular, being provided with an axial bore and is frusto-conical. It is provided with an outer thread as well as with a helical groove which provides therefor a resiliency enabling its section to adapt itself perfectly to the section of the root canal in which the pin is screwed.
REFERENCES:
patent: 4406623 (1983-09-01), Grafelmann et al.
patent: 4759714 (1988-07-01), Szequary
Les Fils d'Auguste Maillefer, Societe Anonyme a Ballaigues
Peshock Robert
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