牙外伤是口腔外科临床的常见病，以往对外伤牙的处理多采用结扎丝固位，缺点是结扎丝易嵌入牙龈，造成牙龈损伤和炎症。年轻恒牙的牙髓、牙周、牙体等组织在解剖生理上有其固有的特点，为保存牙髓活力，保障牙根继续发育，我们采用两种急症处理方法。①对牙周损伤严重、牙... Dental trauma is a common clinical disease in oral surgery. In the past, the treatment of traumatic teeth mostly used ligature wire retention. The disadvantage was that the ligature wire was easy to be embedded in the gums, causing gum injury and inflammation. Young permanent teeth of the pulp, periodontal, dental and other tissues in the anatomy and physiology has its inherent characteristics, in order to preserve the vitality of pulp, to protect the roots continue to develop, we use two kinds of emergency treatment. ① serious periodontal injury, teeth ...