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HOME > Restor Dent Endod > Volume 30(5); 2005 > Article
Original Article The effect of canal filling with gutta-percha or resilon on Enterococcus faecalis in bovine dentinal tubules
Sang-Wook Jee1, Euiseong Kim1, Il-Young Jung1, Yun-Jung Yoo2
2005;30(5):-392.
DOI: https://doi.org/10.5395/JKACD.2005.30.5.385
Published online: September 30, 2005

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Corresponding author: Euiseong Kim. Department of Conservative Dentistry, College of Dentistry, Yonsei University, Sinchon-dong 134, Seodaemun-gu, Seoul, Korea 120-752. Tel: 82-2-2228-8700, andyendo@yumc.yonsei.ac.kr
• Received: February 22, 2005   • Revised: May 24, 2005   • Accepted: June 13, 2005

Copyright © 2005 Korean Academy of Conservative Dentistry

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  • The purpose of this study was to observe the effect of canal filling on the bacteria left in the dentinal tubules and to compare the sealing ability between Gutta-percha and Resilon. The bovine dentin block models were prepared. E. faecalis was inoculated to dentin blocks and incubated. The dentin blocks were divided into 5 groups.
    Group 1 was the negative control. Group 2 was the positive control. Group 3 was filled with ZOE based sealer and Gutta-percha, Group 4 with resin based sealer and Gutta-percha, and Group 5 with resin based sealer and Resilon. After 24 hour, the blocks were incubated at 37℃ for 1, 2, 3 and 4 weeks on BHI agar plates.
    The internal dentin portion of the blocks was removed using ISO 027, 029, 031, 035 round burs and the dentin chips were incubated at 37℃ for 24 hour. Following incubation, the optical density of the medium was measured. The data were statistically analysed using repeated measures ANOVA and one-way ANOVA.
    The results were as follows,
    1. There was statistically significant reduction in the number of E. faecalis of the group where dentinal tubules were completely sealed with nail varnish in comparison with the groups obturated with gutta-percha or resilon (p < 0.05).
    2. In group 5, the number of E. faecalis in the dentinal tubules decreased significantly with time (p < 0.05), whereas in Group 3 and 4, there was no reduction in its number (p > 0.05).
    3. Under the conditions of this experiment, E. faecalis survived up to 4 weeks after obturation with gutta-percha or resilon (p > 0.05).
  • Keywords: Enterococcus faecalis; Resilon; Root canal sealing effect
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Figure 1
Dentin disk block.
jkacd-30-385-g001.jpg
Figure 2
Schematic illustration of incubating dentin block on BHI agar.
jkacd-30-385-g002.jpg
Figure 3
The change of optical density with time.
*significant difference statistically (p < 0.05).
jkacd-30-385-g003.jpg
Table 1
Experimental groups by canal filling materials (n = 32)
jkacd-30-385-i001.jpg
Table 2
E. faecalis left in dentinal tubules

Data were expressed as optical density of culture media of dentin chip.

Data description form: mean (s.d.).

*: p-value by repeated measures ANOVA with time.

†: statistically significant by repeated measures ANOVA.

**: p-value by one-way ANOVA among groups at given experimental time.

a, b: multiple comparison using tukey method.

jkacd-30-385-i002.jpg

Tables & Figures

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    • Evaluation ofEnterococcus faecalisremoval efficacy of the EndoVac® and EndoActivator® intracanal irrigation methods
      Seung-Gon Song, Se-Hee Park, Kyung-Mo Cho, Jin-Woo Kim
      Journal of Korean Academy of Conservative Dentistry.2009; 34(5): 390.     CrossRef

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      The effect of canal filling with gutta-percha or resilon on Enterococcus faecalis in bovine dentinal tubules
      J Korean Acad Conserv Dent. 2005;30(5):385-392.   Published online September 30, 2005
      DOI: https://doi.org/10.5395/JKACD.2005.30.5.385
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    The effect of canal filling with gutta-percha or resilon on Enterococcus faecalis in bovine dentinal tubules
    Image Image Image
    Figure 1 Dentin disk block.
    Figure 2 Schematic illustration of incubating dentin block on BHI agar.
    Figure 3 The change of optical density with time. *significant difference statistically (p < 0.05).

    Figure 1

    Figure 2

    Figure 3

    The effect of canal filling with gutta-percha or resilon on Enterococcus faecalis in bovine dentinal tubules

    Experimental groups by canal filling materials (n = 32)

    E. faecalis left in dentinal tubules

    Data were expressed as optical density of culture media of dentin chip.

    Data description form: mean (s.d.).

    *: p-value by repeated measures ANOVA with time.

    †: statistically significant by repeated measures ANOVA.

    **: p-value by one-way ANOVA among groups at given experimental time.

    a, b: multiple comparison using tukey method.
    Table 1 Experimental groups by canal filling materials (n = 32)

    Table 2 E. faecalis left in dentinal tubules

    Data were expressed as optical density of culture media of dentin chip.

    Data description form: mean (s.d.).

    *: p-value by repeated measures ANOVA with time.

    †: statistically significant by repeated measures ANOVA.

    **: p-value by one-way ANOVA among groups at given experimental time.

    a, b: multiple comparison using tukey method.

    Table 1

    Table 2

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