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不同牙胶技术的根尖渗漏情况：热牙胶垂直加压充填技术、JS快速充填技术、软核技术、微封闭技术、System B热牙胶连续波垂直加压充填技术以及使用计算机化流体过滤仪测量的侧方加压充填技术。

Apical leakage of different gutta-percha techniques: thermafil, js quick-fill, soft core, microseal, system B and lateral condensation with a computerized fluid filtration meter.

作者信息

Gençoglu Nimet, Oruçoglu Hasan, Helvacıoḡlu Dilek

机构信息

Professor, Department of Endodontics,University of Marmara, Faculty of Dentistry, Istanbul, Turkey.

出版信息

Eur J Dent. 2007 Apr;1(2):97-103.

PMID:19212484
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2609951/
Abstract

OBJECTIVES

To investigate apical leakage of roots filled with 6 different gutta-percha techniques; Thermafil, JS Quick-Fill, Soft Core, Microseal, System B and lateral condensation using a new computerized filtration meter.

MATERIALS AND METHODS

60 extracted single rooted teeth were used. Coronal part of each tooth was removed and the root canals were prepared with step-back technique. The roots were randomly divided into six groups of 10 teeth, filled by one of the obturation technique and Kerr sealer. The teeth were kept in 100% humidity for 2 years. After this period, apical parts of roots (10 +/- 0.05 mm) were attached to computerized fluid filtration meter. Apical leakage quantity was determined as mul.cmH(2)O(-1).min(-1).

RESULTS

Statistical analysis indicated that Thermafil, Soft Core, Quick-Fill and System B techniques showed lower leakage than Microseal and lateral condensation (P < .05). However, statistically no difference was found among the core techniques and no difference was found between microseal and lateral condensation techniques (P > .05).

CONCLUSIONS

Thermafil, Soft Core, Quick-Fill and System B techniques showed lower leakage than Microseal and lateral condensation. In addition, this new computerized fluid filtration meter allowed quantitative measurement of leakage easily.

摘要

目的

使用一种新型计算机化过滤仪，研究采用6种不同牙胶技术（热牙胶充填技术、JS快速充填技术、软核技术、微封闭技术、System B技术和侧向加压充填技术）进行根管充填后的根尖微渗漏情况。

材料与方法

使用60颗拔除的单根牙。去除每颗牙的冠部，采用逐步后退技术预备根管。将牙根随机分为6组，每组10颗牙，分别采用一种充填技术和 Kerr 封闭剂进行充填。将牙齿置于100%湿度环境中保存2年。在此之后，将牙根的根尖部分（10±0.05 mm）连接到计算机化流体过滤仪上。根尖微渗漏量以μl.cmH₂O⁻¹.min⁻¹为单位进行测定。

结果

统计分析表明，热牙胶充填技术、软核技术、快速充填技术和System B技术的渗漏率低于微封闭技术和侧向加压充填技术（P < 0.05）。然而，在核心技术之间未发现统计学差异，微封闭技术和侧向加压充填技术之间也未发现差异（P > 0.05）。

结论

热牙胶充填技术、软核技术、快速充填技术和System B技术的渗漏率低于微封闭技术和侧向加压充填技术。此外，这种新型计算机化流体过滤仪能够轻松地对微渗漏进行定量测量。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/75d7/2609951/e1827b052296/a7-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/75d7/2609951/7cb4bd56ac9a/a7-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/75d7/2609951/e1827b052296/a7-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/75d7/2609951/7cb4bd56ac9a/a7-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/75d7/2609951/e1827b052296/a7-fig1.jpg

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