由于不正常的咬牙合接触或咀嚼功能而造成咀嚼系统各部位的病理损害 ,称为牙合创伤。牙合创伤是一种常见病、也是一种疑难病。随着现代口腔医学的发展 ,人们对牙合创伤引起的牙周支持组织、牙髓组织、根尖周组织改变 ,进行了大量的临床研究和基础研究。下面就牙合创伤的动物模 Due to abnormal occlusal contact or chewing function caused by various parts of the chewing system pathological damage, known as occlusal trauma. Occlusal trauma is a common disease, but also a difficult disease. With the development of modern stomatology, a great deal of clinical research and basic research have been carried out on the periodontal support tissues, dental pulp tissues and periapical tissues caused by occlusion trauma. The following occlusion of traumatic animal model