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Original Article Influence of plugger penetration depth on the apical extrusion of root canal sealer in Continuous Wave of Condensation Technique
Ho-Young So, Young-Mi Lee, Kwang-Keun Kim1, Ki-Ok Kim, Young-Kyung Kim, Sung-Kyo Kim,*
J Korean Acad Conserv Dent 2004;29(5):-445.
DOI: https://doi.org/10.5395/JKACD.2004.29.5.439
Published online: January 14, 2004

Department of Conservative Dentistry, School of Dentistry, Kyungpook National University

1Department of Dentistry, College of Medicine, Konkuk University

*Corresponding author: Sung-Kyo Kim, Department of Conservative Dentistry, School of Dentistry, Kyungpook National University 188-1, 2-Ga, Samdeok-Dong, Jung-Gu, Daegu, Korea, 700-412, Tel : 82-53-420-5935 Fax : 82-53-426-8958, Email: skykim@knu.ac.kr

Copyright © 2004 The Korean Academy of Conservative Dentistry

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • The purpose of this study was to evaluate the influence of plugger penetration depth on the apical extrusion of root canal sealer during root canal obturation with Continuous Wave of Condensation Technique.
    Root canals of forty extracted human teeth were divided into four groups and were prepared up to size 40 of 0.06 taper with ProFile. After drying, canals of three groups were filled with Continuous Wave of Condensation Technique with System B™ and different plugger penetration depths of 3, 5, and 7 mm from the apex. Canals of one group were filled with cold lateral compaction technique as a control. Canals were filled with non-standardized master gutta-percha cones and 0.02 mL of Sealapex. Apical extruded sealer was collected in a container and weighed. Data was analyzed with one-way ANOVA and Duncan’s Multiple Range Test. 3 and 5 mm penetration depth groups in Continuous Wave of Condensation Technique showed significantly more extrusion of root canal sealer than 7 mm penetration depth group (p < 0.05). However, there was no significant difference between 7 mm depth group in Continuous Wave of Condensation Technique and cold lateral compaction group (p < 0.05).
    The result of this study demonstrates that deeper plugger penetration depth causes more extrusion of root canal sealer in root canal obturation by Continuous Wave of Condensation Technique. Therefore, special caution is needed when plugger penetration is deeper in the canal in Continuous Wave of Condensation Technique to minimize the amount of sealer extrusion beyond apex.
  • Keywords: Plugger penetration depth; Root canal sealer; Apical extrusion; Lateral compaction technique; Continuous Wave of Condensation Technique; ProFile
Figure 1.
Diagram of experimental unit for the root canal obturation and collection of extruded root canal sealer
jkacd-29-439f1.jpg
Figure 2.
The amount of extruded root canal sealer.
jkacd-29-439f2.jpg

* Apical 3, 5, and 7 ㎜ of plugger penetration depth in Continuous Wave of Condensation Technique (CW-CT).** Significantly different (p < 0.05).

Table 1.
Experimental groups with different plugger penetration depths from the root apex.
Group n Plugger penetration depth from apex
Ⅰ 10 3 mm from root apex with CWCT*
Ⅱ 10 5 mm from root apex with CWCT
Ⅲ 10 7 mm from root apex with CWCT
Ⅳ 10 Cold lateral compaction technique

CWCT*: Continuous Wave of Condensation Technique

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    • Influence of plugger penetration depth on the area of the canal space occupied by gutta-percha
      Young Mi Lee, Ho-young So, Young Kyung Kim, Sung Kyo Kim
      Journal of Korean Academy of Conservative Dentistry.2006; 31(1): 66.     CrossRef

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      Influence of plugger penetration depth on the apical extrusion of root canal sealer in Continuous Wave of Condensation Technique
      J Korean Acad Conserv Dent. 2004;29(5):439-445.   Published online January 14, 2004
      DOI: https://doi.org/10.5395/JKACD.2004.29.5.439
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    Influence of plugger penetration depth on the apical extrusion of root canal sealer in Continuous Wave of Condensation Technique
    Image Image
    Figure 1. Diagram of experimental unit for the root canal obturation and collection of extruded root canal sealer
    Figure 2. The amount of extruded root canal sealer.

    Figure 1.

    Figure 2.

    Influence of plugger penetration depth on the apical extrusion of root canal sealer in Continuous Wave of Condensation Technique
    Group n Plugger penetration depth from apex
    Ⅰ 10 3 mm from root apex with CWCT*
    Ⅱ 10 5 mm from root apex with CWCT
    Ⅲ 10 7 mm from root apex with CWCT
    Ⅳ 10 Cold lateral compaction technique
    Table 1. Experimental groups with different plugger penetration depths from the root apex.

    CWCT*: Continuous Wave of Condensation Technique

    Table 1.

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