When endodontic retreatment is needed, is using a reciprocating or rotary instrumentation system a better option? Research has produced conflicting results. To learn more, a new randomized clinical ...

Background: In endodontic therapy, continuous rotary instrumentation reduced debris compared to reciprocal instrumentation, which might affect the incidence of post-endodontic pain (PP). The aim of ...

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In this meta-analysis, the rate of PP following canal preparation using either reciprocating or rotary instrument was assessed. The PP incidence odds ratio was 1.27, favoring rotary instruments.