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牙急性损伤

牙急性损伤. 西安交大医学院 侯铁舟 Tel 02988088507. 牙震荡 Concussion of teeth 牙周膜的轻度损伤、通常不伴有牙体组织的缺损 病因 临床表现 1 牙周膜损伤 2 牙髓损伤 治疗： 休息 1~2w 密切观察牙髓活力（ 1y ） 1mo 3mo 6mo 12mo. 牙脱位 dislocation of the teeth 病因 分类 临床表现 并发症： 牙髓坏死（ 52% ，嵌入性脱位 96% ）

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牙急性损伤

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  1. 牙急性损伤 西安交大医学院 侯铁舟 Tel 02988088507

  2. 牙震荡Concussion of teeth 牙周膜的轻度损伤、通常不伴有牙体组织的缺损 病因 临床表现 1 牙周膜损伤 2 牙髓损伤 治疗： 休息1~2w 密切观察牙髓活力（1y）1mo 3mo 6mo 12mo

  3. 牙脱位 dislocation of the teeth 病因 分类 临床表现 并发症： 牙髓坏死（52%，嵌入性脱位96%） 髓腔变窄或消失(20%~25%) 牙根外吸收（伤后2mo开始出现） 边缘性牙槽突吸收

  4. 治疗：保存患牙 1部分脱位牙：固定4w，3 6 12mo复查 2 嵌入性脱位牙 3 完全脱位牙 保存 复位

  5. 牙再植后的愈合方式 牙周膜愈合 骨性粘连 炎性吸收

  6. 牙折 fracture of teeth 病因 临床表现 分型

  7. crown fracture

  8. root fracture

  9. 治疗 冠折 根折 冠根联合折

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