Clinical study of the effect of the metal precrown restoration in the first deciduous molar on the composite resin filling in the second deciduous molar
10.7518/hxkq.2024.2024189
- VernacularTitle:第一乳磨牙金属预成冠修复对第二乳磨牙近中邻面龋树脂充填的临床效果的影响研究
- Author:
Chunxian WANG
1
;
Yu ZHANG
Author Information
1. 武汉大学口腔医院和平大道门诊,武汉 430000
- Keywords:
deciduous molar;
adjacent and occlusal caries;
composite resin;
metal precrown
- From:
West China Journal of Stomatology
2024;42(6):773-777
- CountryChina
- Language:Chinese
-
Abstract:
Objective The effect of metal precrown restoration of distal proximal maxillofacial caries in the first de-ciduous molar on the composite resin filling of mesio-adjacent maxillofacial caries in the second deciduous molar was in-vestigated.Methods A total of 80 children aged 4-8 who visited our clinic were selected,and 120 teeth were examined.Two consecutive deciduous molars in one jaw were considered a single case when the distal proximal maxillary surface of the first deciduous molar and the mesial proximal maxillary surface of the second deciduous molar simultaneously had caries.The teeth were randomly divided into two groups:group A(68 cases),in which the first and second molars were repaired with composite resin,and group B(52 cases),in which the first deciduous molar was repaired with metal pre-crown after composite resin filling and the second deciduous molar was filled with composite resin.The two groups were compared in terms of the success rate of composite resin filling in the second deciduous molar.Results At 3 months,no significant difference(P＞0.05)was found between groups A(92.65％)and B(96.15％).At 6 months,no significant difference(P＞0.05)was observed between groups A(89.71％)and B(94.23％).At 12 months,statistically significant dif-ference(P＜0.05)was found between groups A(73.53％)and B(88.46％);At 24 months,statistically significant differ-ence(P＜0.05)was found between groups A(66.18％)and B(86.54％).Conclusion Compared with composite resin fill-ing of the first deciduous molar,the metal precrown resto-ration of the first deciduous molar can improve the suc-cess rate of composite resin filling of the second decidu-ous molar.
