国际口腔医学杂志 ›› 2013, Vol. 40 ›› Issue (3): 309-311.doi: 10.7518/gjkq.2013.03.008

• 论著 • 上一篇    下一篇

桩核冠修复成人个别唇向错位前牙的临床观察

贾燕   

  1. 四川省第四人民医院口腔科 成都 610016
  • 收稿日期:2012-12-06 修回日期:2013-02-15 出版日期:2013-05-01 发布日期:2013-05-01
  • 通讯作者: 贾燕,Tel:13438817096
  • 作者简介:贾燕(1967—),女,四川人,副主任医师,学士

Clinical observation for the post and core crown repairing adult individual anterior teeth of buccal dislocation

Jia Yan   

  1. Dept. of Stomatology, The Fourth People’s Hospital of Sichuan Province, Chengdu 610016,China
  • Received:2012-12-06 Revised:2013-02-15 Online:2013-05-01 Published:2013-05-01

摘要:

目的 比较不同角度唇向错位前牙用金属桩核冠修复的中、短期临床效果。方法 成人个别唇向错位前牙按桩与核不同的角度大小分成2组:Ⅰ组(20°~30°)和Ⅱ组(30°~40°);成人无唇舌向错位根管治疗后前牙作为对照组。各组均行铸造桩核及金属烤瓷冠修复,并行随访观察。结果 对照组的2年成功率、5年成功率近90%,有较好的临床效果;Ⅰ组的2年成功率89.74%,Ⅱ组为75%;Ⅰ组5年成功率77.78%,Ⅱ组为55.88%,5年成功率明显低于2年成功率。结论 当桩与核的角度小于20°时,成人个别唇向错位前牙与无错位的根管治疗后前牙采用铸造桩核及金属烤瓷冠修复效果良好;角度在20°~30°的效果尚可,可以中短期修复;角度大于30°时,修复效果明显下降,建议可以改善前牙的部分错位。

关键词: 唇向错位, 桩核冠, 桩与核的角度

Abstract:

Objective To evaluate the short-term and middle-term effects of post and core crown repairing anterior teeth with different buccal dislocation. Methods We selected adult individual anterior teeth with buccal dislocation as experimental group and anterior teeth without buccal dislocation as control group. The teeth of experimental group were divided into two groups, which were group Ⅰ(20°-30°) and group Ⅱ(30°-40°). All the teeth of experimental group and control group were repaired by cast post and core crown. Results The ratio of success cases for control group were nearly 90% after 2 and 5 years. Meanwhile, the ratio of success cases for group Ⅰ were 89.74% after 2 years and 77.78% after 5 years, but for group Ⅱ were just 75% after 2 years and 55.88% after 5 years. Conclusion It could achieved a good result for post and core crown when the angles of anterior teeth with buccal dislocation were less than 20° or when the anterior teeth without buccal dislocation. It is acceptable for a short-term repairing when the angle between 20° and 30°. But the effect of prosthesis were decreased dramatically when the angles greater than 30°. It is concluded that part of the buccal dislocation of anterior teeth should be improved.

Key words: buccal dislocation, post and core crown, angle of post and core

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