本文报道二例牙离体自然存放101天和35天再植三年余,效果良好。例1 熊某某,女,17岁,重庆医科大学学生。101天前跌落上前牙,当即用自来水洗净,包于纸中存放在书桌内。检查:(?)缺隙处牙槽窝愈合,牙嵴低平,唇腭径约0.8cm。(?)离体牙完整淡黄,乏光泽,表面有薄层污物。(?)轻度近中扭转。前牙覆(牙合)Ⅲ度,超(牙合)Ⅱ度。处理:消毒铺巾,浸润麻醉,分别从(?)远中切开、翻起梯形粘骨膜瓣,见缺隙处骨质致密。用小圆凿凿开牙嵴顶骨质,重建一与(?)根相应的牙槽窝。将(?)根充后用生理盐水擦洗干净,植入牙槽窝,丝线结扎固定。次日丝线折 This article reports two cases of teeth in vitro storage of 101 days and 35 days replantation more than three years, the effect is good. Example 1 Xiong Moumou, female, 17 years old, Chongqing Medical University students. 101 days ago fell on the front teeth, washed immediately with tap water, wrapped in paper stored in the desk. Check: (?) Lack of alveolar nest healed, dental ridge low flat, lip palate diameter of about 0.8cm. (?) Isolated teeth complete pale yellow, lack of luster, the surface of a thin layer of dirt. (?) Mild to moderate twist. Anterior teeth covered (occlusion) Ⅲ degree, super (occlusion) Ⅱ degree. Treatment: disinfection shop towel, infiltration anesthesia, respectively, from the (?) Far from the open, flip trapezoidal mucoperiosteal flap, see the gap at the bone density. Use a small chisel to open the crest of the crest of the crest, and reconstruct the alveolar fossa corresponding to the root of (?). Will be (?) After filling with normal saline scrub, implant socket, silk ligation fixed. The next day thread fold