结果：牙髓坏疽患牙、多根管磨牙在根管治疗术中约诊间痛机率较大。
RESULTS: the occurrence of inter-appointment pain during the treatment of pulp gangrene and molars happened more often than that of the others.
结果：牙髓坏疽患牙、多根管磨牙在根管治疗术中约诊间痛机率较大。
RESULTS: the occurrence of inter-appointment pain during the treatment of pulp gangrene and molars happened more often than that of the others.
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