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80例年轻恒牙外伤后牙髓处理分析 被引量:7

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摘要 目的通过对年轻恒牙外伤后牙髓处理结果分析,了解影响年轻恒牙外伤后牙髓预后因素。方法对2007年5月—2011年6月在该院就诊且治疗信息完整的观察期不低于6个月的脱出性损伤80例患者进行回顾分析。结果 115颗脱出性损伤恒牙在6~18个月的观察期中牙髓坏死18颗(占15.65%),其中牙齿振荡牙髓坏死率为3.85%、不全脱位坏死率为9.43%、部分脱出坏死率为23.08%、侧方移位坏死率为50.00%、挫入移位坏死率为75.00%,以挫入移位患牙牙髓坏死率最高,牙齿振荡牙髓坏死率最低,且牙根发育成熟的患牙牙髓坏死几率高于发育未成熟患牙。18颗牙髓坏死中,14颗在3个月内坏死,损伤发生超过2h就诊处理的患牙牙髓坏死率达77.78%。结论年轻恒牙外伤后牙髓坏死同年轻恒牙外伤类型、就诊时间、牙根发育等情况有关,后就诊时间越及时,治疗后牙髓预后越好。
作者 宋春林
出处 《中外医疗》 2012年第26期35-35,37,共2页 China & Foreign Medical Treatment
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