在各生产商之间实现可变锥度锉和相应的古塔瓷锥的标准化。

IF 3.5 2区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Journal of endodontics Pub Date : 2024-10-10 DOI:10.1016/j.joen.2024.10.002
Aaron M Keith, Susan E Hinman, Noel E Dickens, Jeffrey J Kim, Rodney V Scott, Nancy H Osborne
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引用次数: 0

摘要

简介:目前,可变锥度根管锉和相应的古塔波卡(GP)锥体还没有标准化。本研究的目的是评估三种市售可变锥度根管治疗系统的 GP 主锥体和修整锉根尖三分之一处的直径和锥度在制造商内部和制造商之间的变异性:使用数码显微镜对 ProTaper Gold® (Dentsply Tulsa Dental Specialties, Johnson City, TN)、EdgeTaper Platinum™ (EdgeEndo, Albuquerque, NM)和 ExactTaper H™ (SS White, Lakewood, NJ)的 F2 锉和相应的 GP 锥(每个系统 n = 20)以 1mm 增量(D1-D4)记录直径测量值。锥度定义为每 1 毫米增量的直径变化率。使用重复测量方差分析(ANOVA)评估 D1 至 D4 直径的平均差异,使用 Wilks 检验评估锥度的差异:结果:在顶端三分之一处,ProTaper和EdgeEndo锉的平均直径明显小于相应的GP锥度直径(p结论:在锥度可变的根管治疗系统中,精加工锉和相应的 GP 锥之间的尺寸差异是可以预见的。因此,临床医师在进行根管治疗时应做好术中调整的准备。
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Standardization of Variable Taper Files and Corresponding Gutta-Percha Cones Amongst Manufacturers.

Introduction: Currently there is no standardization of variable taper endodontic files and corresponding gutta-percha (GP) cones. The aim of this study was to evaluate intramanufacturer and intermanufacturer variability of diameter and taper in the apical third of GP master cones and finishing files from 3 commercially available variable taper endodontic systems.

Methods: Diameter measurements were recorded using digital microscopy at 1-mm increments (D1-D4) for F2 files and corresponding GP cones (n = 20 per system) from ProTaper Gold (Dentsply Tulsa Dental Specialties, Johnson City, TN), EdgeTaper Platinum (EdgeEndo, Albuquerque, NM), and ExactTaper H (SS White, Lakewood, NJ). Taper was defined as the rate of change in diameter per 1-mm increment. Mean differences in diameter were assessed using repeated measures of analysis of variance for D1 to D4 and the Wilks test for differences in taper.

Results: In the apical third, ProTaper and EdgeEndo mean file diameters were significantly smaller than corresponding GP cone diameters (P < .01, P < .01, respectively). Contrastingly, SS White file diameters were significantly larger than their corresponding GP cones (P = .02). Files from all manufacturers had significantly smaller diameters than advertised (nominal) values (P < .01). ProTaper GP cones had similar diameters to nominal values (P = .30), while EdgeEndo and SS White GP cones were significantly smaller (P < .01). Amongst files and corresponding GP cones from all systems, taper was nonstandardized.

Conclusions: Size discrepancies between finishing files and corresponding GP cones can be expected amongst variable taper endodontic systems. Therefore, clinicians should be prepared to make intraoperative adjustments when obturating.

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来源期刊
Journal of endodontics
Journal of endodontics 医学-牙科与口腔外科
CiteScore
8.80
自引率
9.50%
发文量
224
审稿时长
42 days
期刊介绍: The Journal of Endodontics, the official journal of the American Association of Endodontists, publishes scientific articles, case reports and comparison studies evaluating materials and methods of pulp conservation and endodontic treatment. Endodontists and general dentists can learn about new concepts in root canal treatment and the latest advances in techniques and instrumentation in the one journal that helps them keep pace with rapid changes in this field.
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