目的通过局部浸润注射碧兰麻来观察急性牙髓炎患者治疗时的麻醉疗效。
Objective Observation anesthesia therapeutic effect of acute pulpitis patients by injecting Articaine with local infiltration.
方法：43例病人随机分为两组，分别以静脉滴注和局部病灶内浸润注射给药。
Method: 43 cases oral cancer divided into groups at random according to the methods of how to use Pingyangmycin.
注射局麻药后，神经被无回声区浸润。
After injection, the nerves were infiltration by local anesthetic.
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