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使用手动K锉、Protaper Next和Waveone进行生物力学预备时根尖挤出碎屑的定量评估——一项研究

Quantitative Evaluation of Apically Extruded Debris during Biomechanical Preparation using Hand K-File, Protaper Next, and Waveone - An Study.

作者信息

Maheswari Diksha, Mallick Rashmi Rekha, Shandilya Ashutosh, Solanki Himanshi, Panda Swagat, Sarangi Priyanka

机构信息

Department of Conservative Dentistry and Endodontics, Government Dental College, Raipur, Chhattisgarh, India.

Department of Conservative Dentistry and Endodontics, SCB Dental College, Cuttack, Odisha, India.

出版信息

J Pharm Bioallied Sci. 2022 Jul;14(Suppl 1):S802-S807. doi: 10.4103/jpbs.jpbs_194_22. Epub 2022 Jul 13.

DOI:10.4103/jpbs.jpbs_194_22
PMID:36110614
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9469283/
Abstract

BACKGROUND

The instrumentation technique which produces least amount of apically extruded debris is desirable to use in biomechanical preparation of root canal.

AIM

To quantitatively evaluate apically extruded debris during instrumentation with hand K-file, ProTaper Next, and WaveOne.

MATERIALS AND METHODS

Forty-five extracted human single-rooted mandibular premolars with straight, single canal and single apical foramen were selected after radiographic evaluation and divided equally into three groups. Cleaning and shaping was done using hand K-files in step-back technique, ProTaper Next, and WaveOne single-file system. Debris extruded apically was collected into Eppendorf tubes and stored in an incubator at 37°C temperature for 5 days for drying. Weight of dry debris was measured using electronic microbalance with an accuracy of 10 g.

STATISTICAL ANALYSIS

Student's -test, with value < 0.05 is statistically significant.

RESULTS

Statistically significant ( < 0.05) amount of debris was extruded by all three instrumentation systems: hand K-file- 1.9220 mg, ProTaper Next- 1.4940 mg, and WaveOne- 0.9940 mg. Least amount of debris produced by WaveOne was statistically significant ( < 0.05) when compared with the other two systems.

CONCLUSION

The WaveOne reciprocating system extruded least amount of debris in comparison to hand K-file and ProTaper Next.

摘要

背景

在根管的生物力学预备中，希望使用产生最少根尖部挤出碎屑的器械技术。

目的

定量评估使用手动K锉、ProTaper Next和WaveOne进行器械操作时根尖部挤出的碎屑。

材料与方法

在进行影像学评估后，选择45颗拔除的人单根下颌前磨牙，其根管笔直、单一，根尖孔单一，将其平均分为三组。分别使用逐步后退法的手动K锉、ProTaper Next和WaveOne单锉系统进行清洁和成形。将根尖部挤出的碎屑收集到Eppendorf管中，并在37°C的培养箱中保存5天以干燥。使用精度为10 μg的电子微量天平测量干燥碎屑的重量。

统计分析

采用Student's t检验，P值<0.05具有统计学意义。

结果

所有三种器械系统均挤出了具有统计学意义（P<0.05）量的碎屑：手动K锉-1.9220 mg，ProTaper Next-1.4940 mg，WaveOne-0.9940 mg。与其他两个系统相比，WaveOne产生的碎屑量最少，具有统计学意义（P<0.05）。

结论

与手动K锉和ProTaper Next相比，WaveOne往复式系统挤出的碎屑量最少。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eee/9469283/b038d176d816/JPBS-14-802-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eee/9469283/9257fa92b37f/JPBS-14-802-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eee/9469283/b038d176d816/JPBS-14-802-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eee/9469283/9257fa92b37f/JPBS-14-802-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0eee/9469283/b038d176d816/JPBS-14-802-g002.jpg

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