Method Root canals of chronic pulpitis and (or) apicitis were filled using the FR paste.
方法用FR根充糊剂对慢性牙髓炎和（或）慢性根尖炎的患牙进行一次性根管治疗。
PM was primarily applied to the teeth suffering from acute or chronic pulpitis , especially molars with vital pulp.
干髓术主要被用于急或慢性牙髓炎，尤其是活髓磨牙的牙髓病治疗；
We found that the check rate of this bacteria in acute pulpitis was notably higher than that of in chronic pulpitis (P<0.05).
结果表明：该菌在急性牙髓炎时的检出率显著高于慢性（P＜0．05）。
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