The two-in-one, self-threading, self-shearing pin: efficacy of insertion techniques.

W. W. Barkmeier, D. E. Frost, R. L. Cooley

Research output: Contribution to journalArticle

4 Scopus citations


An in vitro study has shown that the TMS minim two-in-one, self-shearing pin reaches maximum depth in a 2-mm pin channel before shearing off with insertion by a hand-turned wrench. The self-shearing, two-in-one pin did not achieve the full channel depth of 2 mm with insertion by an Auto Klutch handpiece.

Original languageEnglish (US)
Pages (from-to)51-53
Number of pages3
JournalJournal of the American Dental Association (1939)
Issue number1
StatePublished - Jul 1978
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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