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HOME > Restor Dent Endod > Volume 28(1); 2003 > Article
Original Article The irrigating effect before and after coronal flaring
Ho-Keel Hwang, Seong-Chul Bae, Young-Lin Cho
2003;28(1):-79.
DOI: https://doi.org/10.5395/JKACD.2003.28.1.072
Published online: January 31, 2003

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Corresponding author (rootcanal@hanmail.net)

Copyright © 2003 Korean Academy of Conservative Dentistry

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  • The objective of this in vitro study was to evaluate the efficacy of a Ca(OH)2 removal before and after early coronal flaring using different types of instruments. 100 plastic blocks with 30° artificial curved canals were used in this study and randomly divided into a control group and 4 experimental groups(GG, OS, GT, PT Group) 20 teeth each. The canals were instrumented, and Ca(OH)2 was temporary filled into the each canal. Irrigation was performed with Max-i-Probe 25-, 30-gauge probes before and after recapitulation.
    The results of this study were as follows:
    1. There were no significant difference among the groups in size of irrigating needle(p<0.05).
    2. There was a significant difference between before and after recapitulation regardless size of irrigating needle(p<0.05).
    3. Before recapitulation, there was a significant difference between 25- and 30-gauge needle in all groups(p<0.05).
    4. After recapitulation, there was a significant difference between 25- and 30-gauge needle in the control group(p<0.05). But there were no significant difference among the experimental groups.
    It is concluded that the effectiveness of canal irrigation was decided to the depth of irrigating needle into the canal. The effect of canal irrigation tend to facilitate by the early coronal flaring. The recapitulation was the most effective during canal irrigation regardless the size of irrigating needle. Therefore, the recapitulation is a mandatory way to facilitate the effectiveness of canal irrigation during canal enlargement.
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Fig. 1
The device for taking a standard radiograph at same position
jkacd-28-72-g001.jpg
Fig. 2
Evaluation of remaining Ca(OH)2 by steroscope
jkacd-28-72-g002.jpg
Fig. 3
Average extent of remaining Ca(OH)2 before recapitulation
jkacd-28-72-g003.jpg
Fig. 4
Average extent of remaining Ca(OH)2 after recapitulation
*: Significantly different at p<0.05(paired t-test)
jkacd-28-72-g004.jpg
Table 1
Group classification according to instruments
jkacd-28-72-i001.jpg
Table 2
Average extent of remaining Ca(OH)2 after canal irrigation (unit: mm)

A: before recapitulation B: after recapitulation

*: Significantly different at p<0.05(paired t-test)

jkacd-28-72-i002.jpg

Tables & Figures

REFERENCES

    Citations

    Citations to this article as recorded by  
    • In vitro evaluation of cleaning efficacy of various irrigation methods in mandibular molars
      So-Young Lee, Won-Jun Son, WooCheol Lee, Kee-Yeon Kum, Kwang-Shik Bae, Seung-Ho Baek
      Journal of Korean Academy of Conservative Dentistry.2009; 34(3): 215.     CrossRef
    • 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 irrigating effect before and after coronal flaring
      J Korean Acad Conserv Dent. 2003;28(1):72-79.   Published online January 31, 2003
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    Figure
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    The irrigating effect before and after coronal flaring
    Image Image Image Image
    Fig. 1 The device for taking a standard radiograph at same position
    Fig. 2 Evaluation of remaining Ca(OH)2 by steroscope
    Fig. 3 Average extent of remaining Ca(OH)2 before recapitulation
    Fig. 4 Average extent of remaining Ca(OH)2 after recapitulation *: Significantly different at p<0.05(paired t-test)
    The irrigating effect before and after coronal flaring

    Group classification according to instruments

    Average extent of remaining Ca(OH)2 after canal irrigation (unit: mm)

    A: before recapitulation B: after recapitulation

    *: Significantly different at p<0.05(paired t-test)

    Table 1 Group classification according to instruments

    Table 2 Average extent of remaining Ca(OH)2 after canal irrigation (unit: mm)

    A: before recapitulation B: after recapitulation

    *: Significantly different at p<0.05(paired t-test)


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