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KMID : 0362319920170020413
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Journal of Korean Academy of Operative Dentistry
1992 Volume.17 No. 2 p.413 ~ p.420
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Abstract
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The purpose this study was to compare the effectiveness of hand instrumentation with K - file and ultrasonic instrumentation and irrigation system in removing pulpal debris and canal wall planing.
20 mandibular molar teeth were instrumented to size 30 K - file and 20 teeth were instrumented with ultrasonic Suprasson. And Normal Saline and 2.5% NaOCl were used as irrigation solution.
All specimens were viewed at the coronal, middle, and apical third of the root canals for the evaluation of the cleaning effect under the multiview microscope.
@ES The result were as follows;
@EN 1. All of the technique and irrigation solution was effecient in the debris removal and canal wall planing at the cervical and middle thirds of the root canal.
2. All of the techniques and irrigation solutions was less efficient in the debris removal and canal planing at the apical third of the root canal.
3. The debris removal and canal wall planing was depended more on the anatomical variations of the root canal than on the techniques and irrigation solutions.
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KEYWORD
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