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The effect of root canal preparation on the shape of the curved root canal
Author(s) -
LIM K. C.,
WEBBER J.
Publication year - 1985
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.1365-2591.1985.tb00449.x
Subject(s) - root canal , coronal plane , dentistry , materials science , root (linguistics) , orthodontics , anatomy , medicine , philosophy , linguistics
Summary. This study reports the effect of the step‐bad enlargement technique of root canal preparation on the shape of the curved root canal of extracted human teeth. This was achieved by superimposing tracings made from photographic prints obtained by radiographs of teeth before canal preparation, after apical preparation and after coronal flaring. After apical preparation, the root canal sometimes demonstrated an hour‐glass shape. Flaring the coronal portion of the canal was often successful in opening out the narrowest portion, the elbow, of this hour‐glass shape.