楔状缺损是指发生于牙齿颊面颈部的牙体缺损,是口腔科的常见病。最常见的病因是不良的刷牙方法导致的。轻者没有任何症状,或者表现为温度、渗透压改变所导致的短促锐痛。重者可以发展为牙髓及根尖周病变,甚至导致牙体折断,严重影响 Wedge-shaped defect refers to the occurrence of dental defects in the buccal surface of the teeth, is a common disease in dentistry. The most common cause is poor brushing results. Light without any symptoms, or manifested as temperature, osmotic pressure caused by the short sharp sharp pain. Severe cases can develop into pulp and apical lesions, and even lead to broken teeth, serious impact