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An investigation into the bond strength between a root canal sealer and root‐filling points
Author(s) -
JEFFREY I. W. M.,
SAUNDERS W. P.
Publication year - 1987
Publication title -
international endodontic journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.988
H-Index - 119
eISSN - 1365-2591
pISSN - 0143-2885
DOI - 10.1111/j.1365-2591.1987.tb00617.x
Subject(s) - root canal , bond strength , dentistry , materials science , crown (dentistry) , point (geometry) , composite material , mathematics , medicine , geometry , adhesive , layer (electronics)
Summary. It is essential that a competent bond should exist between the gutta‐percha point used to obturate a prepared root canal and the scaler cement, in order to avoid the risks of both periapical leakage and possible disruption of the point during preparation of the tooth for a post crown. An experimental method was established whereby disruption between the two media could be examined. Shear tests were carried out using both smooth surfaced and sandblasted gutta‐percha points, and comparisons in their bond strengths were made. Statistical analysis showed that roughening the gutta‐percha points significantly improved the bond strength between point and sealer.