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HOME > Restor Dent Endod > Volume 34(4); 2009 > Article
Original Article Apical microleakage of MTA with 4-META/MMA & TBB resin as a root-end filling material
Jin-Cheol Kim, Mi-Ri Kim, Hyun-Jung Ko, Won-Kyung Yang
2009;34(4):-376.
DOI: https://doi.org/10.5395/JKACD.2009.34.4.371
Published online: July 31, 2009

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Corresponding author: Won-Kyung Yang. Assistant professor, Department of Conservative Dentistry, Asan Medical Center, Ulsan University, 388-1, Pungnap-Dong, Songpa-Gu, Seoul, Korea, 138-736. Tel: 02-3010-3824, Fax: 02-3010-6967, wonkys504@hanmail.net
• Received: June 11, 2009   • Revised: June 27, 2009   • Accepted: July 3, 2009

Copyright © 2009 The Korean Academy of Conservative Dentistry

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  • We evaluated in vitro microleakage of Mineral Trioxide Aggregate (MTA) powder with 4-methacryloxyethyl trimellitate anhydride (4-META) / methyl methacrylate (MMA) & tri-n-butylborane (TBB) resin as a retrograde filling material by using methylene blue dye method.
    Fifty-two single rooted, extracted teeth were instrumented and obturated with gutta percha and AH plus sealer. The apical 3mm of each root was resected and 3mm deep ultrasonic root end preparation was done. External surface of roots was coated with nail varnish. Prepared teeth were randomly divided into five groups; Negative control: completely covered with nail varnish; Positive control: coated with nail varnish except for apical foramen; Group 1 (retrofilled with Portland cement); Group 2 (retrofilled with MTA); Group 3 (retrofilled with MTA powder mixed with 4-META/MMA & TBB resin). Immediately after completion of root-end filling, all specimens were submerged in methylene blue dye for 72 hours in 37℃ incubator. The roots were longitudinally sectioned and measured for extent of dye penetration by three different examiners under microscope (×10). The results were statistically analyzed using one way ANOVA and Turkey's HSD test. No leakage was evident in negative control and complete leakage in positive control group. Group 3 showed significantly less leakage than group 1 and 2 (p < 0.01). There was no significant difference between group 1 and 2 (p > 0.01).
    It was concluded that MTA powder with 4-META/MMA & TBB resin was excellent in reducing initial apical microleakage.
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Figure 1
Results of dye penetration measurement (*means statically significant difference).
jkacd-34-371-g001.jpg
Figure 2
Buccolingual sectional view of each group with methylene blue dye penetration.
jkacd-34-371-g002.jpg
Table 1
Experimental design of each groups
jkacd-34-371-i001.jpg
Table 2
Results of dye penetration measurement

*means statically significant difference

jkacd-34-371-i002.jpg

Tables & Figures

REFERENCES

    Citations

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    • Characteristics of novel root-end filling material using epoxy resin and Portland cement
      Sang-Jin Lee, Jin Chung, Hee-Sam Na, Eun-Joo Park, Hyo-Jin Jeon, Hyeon-Cheol Kim
      Clinical Oral Investigations.2013; 17(3): 1009.     CrossRef
    • Sealing Ability of Three Different Materials Used as Retrograde Filling
      Ji-Hoon Park, Seung-Bok Kang, Yong-Hoon Choi, Ji-Hyun Bae
      Journal of Korean Dental Science.2012; 5(2): 60.     CrossRef
    • Physical properties of novel composite using Portland cement for retro-filling material
      Sang-Jin Lee, Ok-In Cho, Jiwan Yum, Jeong-Kil Park, Bock Hur, Hyeon-Cheol Kim
      Journal of Korean Academy of Conservative Dentistry.2010; 35(6): 445.     CrossRef

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      Apical microleakage of MTA with 4-META/MMA & TBB resin as a root-end filling material
      J Korean Acad Conserv Dent. 2009;34(4):371-376.   Published online July 31, 2009
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    Apical microleakage of MTA with 4-META/MMA & TBB resin as a root-end filling material
    Image Image
    Figure 1 Results of dye penetration measurement (*means statically significant difference).
    Figure 2 Buccolingual sectional view of each group with methylene blue dye penetration.
    Apical microleakage of MTA with 4-META/MMA & TBB resin as a root-end filling material

    Experimental design of each groups

    Results of dye penetration measurement

    *means statically significant difference

    Table 1 Experimental design of each groups

    Table 2 Results of dye penetration measurement

    *means statically significant difference


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