单尖法和热牙胶法根管充填根尖封闭性能的比较研究

doi:10.13591/j.cnki.kqyx.2023.02.004

Abstract

Abstract:

Objective To compare the sealing performance of three kinds of sealers AH-Plus, iRoot SP and GuttaFlow2 combined with single cone obturation and warm gutta-percha root canal filling. Methods Seventy premolars with single root canal were extracted recently and prepped to P# by Waveone gold system after truncating tooth crown. Then they were randomly divided into 6 experimental groups (10 premolars per group) and 2 control groups (5 premolars per group). Single tip filling and warm gutta-percha filling were performed, namely AH-Plus single tip filling group (A1), AH-Plus warm gutta-percha filling group (A2), iRoot SP single tip filling group (B1), iRoot SP warm gutta-percha filling group (B2), GuttaFlow2 single tip filling group (C1), GuttaFlow2 warm gutta-percha group (C2), positive control group (D group) and negative control group (E group). After dye penetration test was performed on the filled teeth, microleakage of root tip was detected by longitudinal section method. Results A1 group had the largest microleakage value, while B2 group had the smallest microleakage value. There was no statistically significant difference in apical sealing between single-tip filling and hot dental glue filling with the same sealant (P>0.05), and also no statistically significant difference in apical sealing between the three kinds of sealant with the same filling technology (P>0.05). Conclusion None of the three root canal sealers can completely seal the root canal, and there is no significant difference in the sealing effect between single tip filling and warm gutta-percha filling.

Key words: root canal filling, root canal sealer, microleakage

CLC Number:

R781.05

XU Zhangfeng,ZHANG Hao,ZHOU Yongqing. A comparative study on apical sealing performance between single cone obturation and warm gutta-percha root canal filling[J]. Stomatology, 2023, 43(2): 114-117.

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References 22

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组别	样本量	渗漏值
A1组	10	2.68±0.65
A2组	10	2.27±0.69
B1组	10	2.20±0.55
B2组	10	1.93±0.61
C1组	10	2.45±0.77
C2组	10	2.19±0.64
D组	5	11.41±0.11
E组	5	0.24±0.07

A comparative study on apical sealing performance between single cone obturation and warm gutta-percha root canal filling

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