The importance of apical patency and cleaning of the apical foramen on root canal preparation

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The importance of apical patency and cleaning of the apical foramen on root canal preparation.

The apical limit of root canal instrumentation has always been a matter of great controversy. Despite the large number of published studies on this subject, a consensus has not yet been reached. In fact, the recent discussion on apical patency and cleaning of the apical foramen, as well as the incorporation of these procedures to the endodontic treatment, seem to have raised even more polemics....

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The amounts of apical enlargement have been a controversial issue for a long time. The enlargement of the apical part of the canal may severely impact the endodontic prognosis. Enlargement of the apical portion to a larger size may negatively affect the ability to control the filling material during root canal obturation. In addition, an open-apex increases the risk for overfilling which has be...

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Influence of apical patency and cleaning of the apical foramen on periapical extrusion in retreatment.

This study evaluated the influence of apical patency, root filling removal technique and cleaning of the apical foramen, concerning the amount of debris extruded during root canal retreatment. Forty mandibular incisors were randomly assigned to 4 groups - GIM (n=10), GIIM (n=10), GIPT (n=10) and GIIPT (n=10), which were named according to leaving (I) or not (II) apical patency during canal prep...

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ژورنال

عنوان ژورنال: Brazilian Dental Journal

سال: 2006

ISSN: 0103-6440

DOI: 10.1590/s0103-64402006000100002