英语语法分析

Objective To investigate the transmission signal of the experimental pulpitis pain.

了解实验性牙髓炎疼痛信号在中枢的传导特点。

Once root canal therapy; Repeated root canal therapy; Acute pulpitis; Curative effect.

一次性根管治疗；多次根管治疗；急性牙髓炎；治疗效果。

Objective To improve the diagnosis of acute pulpitis on molars without carious lesions.

目的为了进一步提高非龋性磨牙急性牙髓炎的诊断水平。