Effect of preoperative alprazolam on the success of inferior alveolar nerve block for teeth with irreversible pulpitis.
摘要：
Success of inferior alveolar nerve (IAN) block decreases in patients with irreversible pulpitis. The purpose of this study was to evaluate the effect of preoperative administration of alprazolam on the success of the IAN block for teeth with irreversible pulpitis. Sixty patients with irreversible pulpitis of a mandibular molar were selected for this prospective, randomized, double-blind, placebo-controlled study. The patients received identical capsules of either 0.5 mg of alprazolam or placebo 45 minutes before the administration of a conventional IAN block. Access cavity preparation was initiated 15 minutes after the IAN block injection. Lip numbness was recorded for all the patients. Success was defined as no or mild pain on the basis of visual analogue scale recordings during access cavity preparation and initial instrumentation. Data were analyzed by t test, Mann–Whitney, and χ2 tests. The success rate was 53% for alprazolam group and 40% for placebo group, with no significant difference between the 2 groups (P= .301). Within the scope of the current study, preoperative oral administration of 0.5 mg of alprazolam did not improve the success of the IAN block in mandibular molars in patients with irreversible pulpitis, and the success rate was not adequate to ensure profound pulpal anesthesia.
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关键词：
Alprazolam benzodiazepines inferior alveolar nerve block irreversible pulpitis local anesthesia
DOI：
10.1016/j.joen.2012.06.007
被引量：
年份：
2012
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