Abstract
The purpose of this study was to evaluate the effect early and late radicular flaring has on apical canal transportation when using balanced force instrumentation. Sixty-six extracted human teeth with curvatures ranging from 20 to 65 degrees were equally divided into two groups. Canals were cleaned and shaped using balanced force and one of two flaring techniques. A pre- and postoperative double exposure radiographic technique was used to evaluate apical canal transplantation. While early radicular flaring made instrumentation much easier, no significant differences were found when comparing apical transportation between the two experimental groups.
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