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.
目的：观察碧兰麻、利多卡因在老年人急性牙髓炎牙髓治疗中的临床效果，探讨牙髓治疗局部麻醉的最佳办法，争取老年病人良好的配合。
Objective to observe the anesthesia effect by Articaine and lidocaine in the treatment of aged acute pulpitis, inquire into the ideal anesthesia method.
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