Journal of Endodontics
Volume 7, Issue 2 , Pages 66-69, February 1981

Dowel space preparation and apical leakage

  • Ronald S. Bourgeois, Major, USAF DC

      Affiliations

    • Dr. Bourgeois, formerly a postgraduate student in endodontics at Louisiana State University School of Dentistry, New Orleans, is currently chairman, department of endodontics, USAF Medical Center, Keesler Air Force Base
    • ,
  • Ronald R. Lemon, DMD

      Affiliations

    • Miss. Dr. Lemon is assistant professor and coordinator for postgraduate endodontics, department of endodontics, Louisiana State University School of Dentistry
    • Corresponding Author InformationRequests for reprints should be directed to Dr. Lemon, Louisiana State University School of Dentistry, 1100 Florida Ave, New Orleans 70119.

Leakage studies using 45Ca were performed on gutta-percha filled teeth after pilot posthole preparation. Results showed no significant difference in apical leakage occurred when the spaces were created immediately after obturation or when they were made a week later.

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 The authors thank Dr. Ronald Midgett, assistant professor, department of physiology, Louisiana State University School of Dentistry, for his technical advice with isotope management.

PII: S0099-2399(81)80244-0

doi:10.1016/S0099-2399(81)80244-0

Journal of Endodontics
Volume 7, Issue 2 , Pages 66-69, February 1981

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