Analysis of the effects of apical backfilling depth on apical sealing of different root canal filling qualities and morphologies.

IF 1.9 4区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE
Qian-Nan Zhang, Yu Zhang, Chen-Chen Zhang, Yue Yuan, Qi Wang, Wei-Dong Yang
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引用次数: 0

Abstract

Purpose: The aim of this study was to evaluate the effects of apical backfilling depth on the apical sealing of different root canal filling qualities and morphologies.

Methods: 3D-printed root canals (A: round, B: oval, C: long oval, D: flat) were used and divided into subgroups by root canal filling quality (a: good, b: poor, c: nonfilling) and backfilling depth (3 mm, 5 mm). A glucose microleakage device was used to measure leakage.

Results: (1) 3-mm iRoot BP Plus was filled at the apex, and no obvious leakage occurred in the good root canal filling group, which was significantly smaller than that in the poor/nonfilling groups (P < 0.05). Under good root canal filling conditions in groups A, B, C, and D, no obvious leakage was observed. Under poor/nonfilling root canal filling conditions, there was significant leakage; A and B (P > 0.05) and C and D were compared (P < 0.05). (2) Apical backfilling with 5-mm iRoot BP Plus showed no significant leakage in the poor root canal filling groups with the four morphologies.

Conclusion: 3-mm iRoot BP Plus was filled at the apex, root canal filling was poor, apical sealing was poor, and root canal morphology affected apical sealing. Apical backfilling with 5-mm iRoot BP Plus improved apical sealing under poor root canal filling conditions, and apical sealing was unaffected by root canal morphology.

不同根管充填质量和形态根管充填深度对根尖密封的影响分析。
目的:研究不同根管充填质量和形态的根管充填深度对根管密封的影响。方法:采用3d打印根管(A:圆形、B:椭圆形、C:长椭圆形、D:扁平),根据根管充填质量(A:好、B:差、C:不充填)和充填深度(3 mm、5 mm)分为亚组。葡萄糖微漏仪测量漏量。结果:(1)3-mm iRoot BP Plus在根尖处充填,根管充填良好组无明显渗漏,明显小于根管充填不良/不充填组(P < 0.05)。A、B、C、D组在根管充填条件良好的情况下,未见明显的根管渗漏。在根管充填不良或不充填的情况下,根管有明显的渗漏;A与B比较(P > 0.05), C与D比较(P < 0.05)。(2) 4种形态的根管充填不良组中,5mm iRoot BP Plus根尖充填无明显渗漏。结论:3mm iRoot BP Plus在根尖充填,根管充填差,根尖密封差,根管形态影响根尖密封。在根管充填条件较差的情况下,使用5mm iRoot BP Plus进行根尖充填可改善根尖密封,根尖密封不受根管形态的影响。
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来源期刊
Journal of oral science
Journal of oral science DENTISTRY, ORAL SURGERY & MEDICINE-MATERIALS SCIENCE, BIOMATERIALS
CiteScore
3.80
自引率
0.00%
发文量
58
期刊介绍: Information not localized
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