Root Canal Area Increase Promoted by the EndoSequence and ProTaper Systems: Comparison by Computed Tomography

被引：12

作者：

Bernardes, Ricardo Affonso ^{[1
]}

Rocha, Emerson Antunes ^{[1
]}

Hungaro Duarte, Marco Antonio ^{[2
]}

Vivan, Rodrigo Ricci ^{[3
]}

de Moraes, Ivaldo Gomes ^{[2
]}

Bramante, Alexandre S. ^{[1
]}

de Azevedo, Jose Ribamar ^{[4
]}

机构：

[1] CPO SL Mand Brasiliense Dent Sch, Brasilia, DF, Brazil

[2] Univ Sao Paulo, Bauru Sch Dent, Dept Dent Dent Mat & Endodont, Bauru, SP, Brazil

[3] Sao Paulo State Univ, Dent Sch Araraquara, Dept Restorat Dent, Araraquara, SP, Brazil

[4] Inst Odonto Radiol Brasilia, Brasilia, DF, Brazil

来源：

JOURNAL OF ENDODONTICS | 2010年 / 36卷 / 07期

关键词：

Cone beam CT; EndoSequence; ProTaper; rotary systems; INSTRUMENTATION; ABILITY; DIAGNOSIS; FORCE; MOLAR; FILES;

D O I：

10.1016/j.joen.2009.12.033

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

Introduction: The aim of this study was to compare the increase of the root canal area after instrumentation with EndoSequence or ProTaper rotary systems. Methods: Twenty-two mesial root canals from mandibular molars were instrumented. Teeth were mounted on a base, numbered, and divided into 2 groups; teeth from 1-11 (PT group) were instrumented by using the ProTaper system, and teeth from 12-22 (ES group) were instrumented by using the EndoSequence system. Cone beam computed tomography was performed on all teeth before and after instrumentation. Measurements at 3,5, and 7 mm as well as differences in instrument performance were statistically compared by the Student t test at 5% significance level. Results: Both systems increased significantly the root canal area (P < .05) at all levels. Comparison between the rotary systems showed significantly greater increase (P < .05) for EndoSequence at 3 mm, with no statistically significant difference (P < .05) at the other levels. Conclusions: Both rotary systems increased significantly the root canal area. (J Endod 2010;36:1179-1182)

引用

页码：1179 / 1182

页数：4

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