不同生物材料在年轻恒前牙外伤直接盖髓术后的应用效果-现代医学

不同生物材料在年轻恒前牙外伤直接盖髓术后的应用效果

单位：1. 承德医学院附属医院口腔科, 河北承德 067000;
2. 秦皇岛市中医医院手术室, 河北秦皇岛 066000

分类号：R783.1

出版年·卷·期（页码）：2019·47·第二期（186-190）

摘要：

目的：观察不同生物材料在年轻恒前牙外伤直接盖髓术后的应用效果。方法：选取我院于2011年3月至2016年8月收治的50例恒前牙外伤患儿为研究对象，根据入组时间编号并随机分为A、B组，25例（30颗）/组，两组行直接盖髓术时A组以无机三氧化物聚合体（MTA）为盖髓材料，而B组则以Theracal为盖髓材料。比较两组采用不同生物材料盖髓后的临床疗效，以及牙本质增加量、牙根吸收程度和不良反应发生情况。结果：A组患儿治疗成功率（93.33%）显著高于B组（73.33%），具有统计学差异（P<0.05）。A组在0~6个月以及0~12个月内的牙本质增加量（0.124±0.013 mm，0.179±0.014 mm）显著高于B组患儿（0.091±0.011 mm，0.151±0.019 mm），具有统计学差异（P<0.05），在6~12个月内的牙本质增加量与B组患儿无统计学差异（P>0.05）。A组患儿0~6个月、6~12个月牙根吸收程度显著优于B组，具有统计学差异（P<0.05）。两组治疗期间均未发生明显的不良反应。结论：MTA在年轻恒前牙外伤直接盖髓术后的应用效果显著优于Theracal，安全性较高，有利于预后，值得临床推广。

Objective:application effect of different biomaterials after direct pulp capping of young permanent anterior teeth trauma.Methods:50 cases of permanent anterior tooth trauma were selected in our hospital from March 2011 to August 2016 and randomly divided into A and B groups according to the enrollment time number, 25 cases(30 teeth) per group. The two groups were treated with direct pulp capping using mineral trioxide aggregate group A used mineral trioxide aggregate and group B Theracal. The clinical effects, dentin increment, dentin thickness, root resorption and adverse reactions were compared between the two groups.Results:The success rate of group A(93.33%) was significantly higher than that of group B(73.33%), with a statistical significance(P<0.05). The dentin increment of group A(0.124±0.013 mm, 0.179±0.01 mm) was significantly higher than that in group B(0.091±0.011 mm, 0.151±0.019 mm) in 0~6 months and 0~12 months, and the difference was significant(P<0.05). There was no significant difference in the increase of dentin between the two groups within 6~12 months(P>0.05). The dentin thickness of group A was significantly higher than that of group B in 0~6 months and 6~12 months, with statistical significances(P<0.05). The root resorption of group A was significantly better than that of group B in 0~6 months and 6~12 months, with statistical significance(P<0.05). There were no obvious adverse reactions in the two groups during treatment.Conclusion:The application of MTA after direct pulp capping of young permanent anterior teeth is superior to that of Theracal, which is beneficial to prognosis and is worth popularizing.

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