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Endodontic flare-ups and Associated Factors in a Taiwanese Hospital

並列摘要


A flare-up following root canal treatment (RCT) is a frustrating problem to both patients and dentists. The purpose of this study was to evaluate the incidence of endodontic flare-ups of Taiwanese patients at Chang Gung Memorial Hospital (CGMH), Linkou, Taiwan in a prospective survey. An unscheduled phone call and/or an emergency visit due to severe pain and/or swelling following RCT was defined as a flare-up. Six hundred and fifty-eight teeth were treated in the Endodontic Department of CGMH by senior residents or attending doctors in a period of 3 months. Patient’s demographics, and clinical and radiographic data were recorded at the time of the RCT. We found that the overall incidence of flare-ups was relatively small (1.98%). The incidence of flare-ups was significantly correlated with presenting symptoms of spontaneous pain (5.48%, p=0.025), percussion pain (12%, p=0.000), and root canal overfilling (7.89%, p=0.034). However, there was no correlation between the incidence of flare-ups and patient age, gender, tooth position, periapical diagnosis, pulpal diagnosis, type of treatment, or type of operator. We concluded that the occurrence of flare-ups is significantly related to preoperative spontaneous pain, percussion pain, and root canal overfilling.

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