牙急性损伤
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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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5063103

牙急性损伤

西安交大医学院 侯铁舟

Tel 02988088507


5063103

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


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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


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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


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牙再植后的愈合方式

牙周膜愈合

骨性粘连

炎性吸收


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牙折 fracture of teeth

病因

临床表现

分型


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crown fracture


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root fracture


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治疗

冠折

根折

冠根联合折


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