英语语法分析

Objective: To study the effects of orthodontic force on MEK in rat pulpal tissue.

目的：探讨矫治力对大鼠牙髓组织中MEK的影响。

AIM: To study the relationship between the potential ability of pulpal self-repair and NOS.

目的：探讨一氧化氮与牙髓组织自身修复潜能的可能关系。

Root canal therapy is a fundamental method of treating pulpal and periapical diseases nowadays.

根管治疗是现今牙髓病和根尖周病的基本治疗方法。