Objective:The aim of this study was to evaluate the usefulness of removing the centric premature contacts(PCs) on on temporomandibular joint chronic pain patients.

• 目的:定位颞下颌关节慢性疼痛患者的正中早接触点,评价解除早接触干扰对缓解颞下颌关节疼痛的作用。