牙隐裂综合征是指牙冠表面的非生理性细小裂纹,是累及前磨牙或磨牙本质的不完全折裂[1],发生于牙体硬组织上,临床上非常常见。牙隐裂的结构性裂纹深入牙本质,延至髓腔,这种不可复性牙髓炎是牙隐裂所致,如诊治不当常导致牙折,甚至拔牙。本研究对108例牙隐裂致不可复性牙髓炎患者的临床诊治进行分析,报道如下。资料与方法1.一般资料随机收集我院牙隐裂致不可复性牙髓炎患者108例,男60例,女48例,患牙108 Tooth crack syndrome refers to the non-physiological small cracks on the surface of the tooth crown, is involved in the premolar or molar nature of the incomplete fracture [1], occurs in the hard tissue of the teeth, clinically very common. Tooth cracked structural cracks deep into the dentin, extending to the medullary cavity, this irreversible pulpitis is caused by occult fractures, such as improper diagnosis and treatment often lead to tooth or tooth extraction. This study of 108 cases of fractures of the teeth induced refractory pulpitis clinical diagnosis and treatment were analyzed as follows. Materials and Methods 1. General Information Randomly collected in our hospital occlusion caused by refractory pulpitis in 108 cases, 60 males and 48 females, teeth 108