正中关系(CR)在近一个世纪以来一直是一个极具争议性的话题。虽然它涉及口腔修复学、正畸学及学等多个学科,是一种非常重要的颌位关系,但是,对于它的明确定义、获取方式及与颞下颌关节紊乱病(TMD)之间的关系等问题仍缺乏统一的意见。了解CR确切含义、正确地获取方法对于有效开展临床工作有着重要的意义。本文对关于CR的定义、获取方式及与TMD之间的关系等方面作一综述。 The medium-term relationship (CR) has been a highly controversial topic for nearly a century. Although it involves many disciplines such as orthopedics, orthodontics and learning, it is a very important jaw position relationship. However, its definition, acquisition method and relationship with temporomandibular disorder (TMD) Relations and other issues still lack a unified opinion. Understand the exact meaning of CR, the correct access to methods for the effective clinical work of great significance. This article reviews the definition of CR, the way of acquisition and the relationship with TMD.