全瓷预成冠对乳磨牙大面积缺损修复效果的临床研究

doi:10.13591/j.cnki.kqyx.2022.03.010

Abstract

Abstract: Objective To investigate the clinical effect of a new restoration method of all-porcelain prefabricated crown on large defect of deciduous molars. Methods One hundred and twenty deciduous molars with large defect were randomly divided into three groups:A, B and C. Group A was treated with composite resin, group B with porcelain prefabricated crowns, and group C with metal prefabricated crowns. The restoration success rate at 6 months and 12 months was compared among three groups. Results There was no statistically significant difference in the 6-month repair success rate among groups A, B and C (P>0.05). The success rate at 12 months in group B and C was significantly higher than that in group A (P<0.05). Conclusion All-porcelain prefabricated crowns and metal prefabricated crowns have significant effect on the restoration of large defect of deciduous molars. The long-term success rate of restoration is higher than that of composite resin restoration, and can be accepted by children and parents. It is worth being widely promoted in clinical practice.

Key words: composite resin, all-porcelain preformed crown, metal preformed crown, large defect of deciduous molars

CLC Number:

R788.1

WANG Shuai, LI Zhen, FENG Jinqiu. Clinical study on the effect of all-porcelain prefabricated crownon repairing large defect of deciduous molars[J]. Stomatology, 2022, 42(3): 241-243.

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Clinical study on the effect of all-porcelain prefabricated crownon repairing large defect of deciduous molars

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