Published online Sep 30, 2005.
https://doi.org/10.5395/JKACD.2005.30.5.355
Effect of biscover on the marginal microleakage of composite resin restoration
Abstract
The purpose of this study was to compare the effect on marginal leakage of a resin surface sealant (Biscover) applied before or after polymerization of composite resin to unsealed composite restorations. Thirty Class V cavities with the occlusal margin in enamel and cervical margin in dentin or cementum were prepared on the buccal surfaces of sound extracted molars and restored with a microfilled light-cured composite resin (Micronew). Restorations were randomly assigned into one of three equal groups (n = 10): a control group - no surface sealing, group 1 - applied Biscover after polymerization of the composite resin, and group 2 - applied Biscover before polymerization of the composite resin. Specimens were thermocycled, immersed in a 2% methylene blue solution for 4 hours, sectioned longitudinally, and analyzed for leakage at the occlusal and gingival margins. The results of this study were as follows;
1. In sealed group, group 2 showed higher microleakage than group 1 at both occlusal and gingival margins, but there was no significant difference between two groups (p > 0.05).
2. Unsealed control group showed a little higher microleakage than sealed group at occlusal margins, and a little higher or similar microleakage than sealed group at gingival margins (p > 0.05).
3. Control group and group 2 showed significantly less microleakage at the occlusal margins, but group 1 showed no significantly difference between microleakage at the occlusal and gingival margins.
Table 1
Group classification by application methods of Biscover
Table 2
Distribution of microleakage scores and mean rank at occlusal margins
Table 3
Distribution of microleakage scores and mean rank at gingival margins
Table 4
Statistical analysis of microleakage at occlusal and gingival margins among groups by Mann-Whitney test
Table 5
Statistical analysis between microleakage of occlusal and gingival margins in each group by Wilcoxon signed ranked test
References
-
Munro GA, Hilton TJ, Hermesch CB. In vitro microleakage of etched and rebonded class 5 composite resin restorations. Oper Dent 1996;21:203–208.
-
-
Gladys S, Van Meerbeek B, Lamberechts P, Vanherle G. Microleakage of adhesive restorative materials. Am J Dent 2001;14(3):170–176.
-
-
Tjan AH, Tan DE. Microleakage at gingival margins of class V composite resin restorations rebonded with various low-viscosity resin systems. Quintessence Int 1991;22(7):565–573.
-
-
Erhardt MCG, Magalhaes CS, Serra MC. The effect of rebonding on microleakage of class V aesthetic restorations. Oper Dent 2002;27:396–402.
-
-
May KN Jr, Swift EJ Jr, Wilder AD, Futrell SC. Effect of a surface sealant on microleakage of Class V restorations. Am J Dent 1996;9(3):133–136.
-
-
Sidhu SK, Henderson LJ. In vitro marginal leakage of cervical composite restorations lined with a light-cured glass ionomer. Oper Dent 1992;17:7–12.
-
-
Santini A. Microleakage of resin-based composite restorations using different solvent-based bonding agents and methods of drying acid-etched dentin. Am J Dent 1999;12:194–200.
-
-
Jayasooriya PR, Pereira PNR, Nikaido T, Burrow MF, Tagami J. The effect of a "resin coatingon" the interfacial adaptation of composite inlays. Oper Dent 2003;28:28–35.
-
-
Kubo S, Yokota H, Yokota H, Hayashi Y. Effect of low-viscosity resin-based composite on the microleakage of cervical restorations. Am J Dent 2003;16:244–248.
-
-
Pameijer CH, Wendt SL. Microleakage of "surface-sealing" materials. Am J Dent 1995;8(1):43–46.
-
-
Irie M, Tjandrawinata R, Suzuki K. Effect of delayed polishing periods on interfacial gap formation of class V restorations. Oper Dent 2003;28(5):552–559.
-
-
Akyuz S, Mentes A, Oktay C. The effect of a sealant on the microleakage of composite resin restorations : an in vivo study. J Marmara Univ Dent Fac 1992;1(3):211–214.
-
-
Ramos RP, Chinelatti MA, Chimello DT, Dibb RGP. Assessing microleakage in resin composite restorations rebonded with a surface sealant and three low-viscosity resin systems. Quintessence Int 2002;33:450–456.
-
-
Reid JS, Saunders WP, Chen YY. The effect of bonding agent and fissure sealant on microleakage of composite resin restorations. Quintessence Int 1991;22:295–298.
-
-
Shinkai K, Suzuki S, Leinfelder KF, Katoh Y. Effect of surface-penetrating sealant on resistance of luting agents. Quintessence Int 1994;25:767–771.
-
-
Estafan D, Dussetschleger FL, Miuo LE, Kondamani J. Class V lesions restored with flowable composite and added surface sealing resin. Gen Dent 2000;48:78–80.
-
-
Suh BI. A new resin technology: a glaze/composite sealant that cures without forming an oxygen-inhibited layer. Compend Contin Educ Dent 2003;24(8):27–29.
-
-
Barghi N, Alexander C. A new surface sealant for polishing composit resin restorations. Compend Contin Educ Dent 2003;24(8):30–33.
-
-
Ramos RP, Chimello DT, Chinelatti MA, Dibb RGP, Mondelli J. Effect of three surface sealants on marginal sealing of class V composit resin restorations. Oper Dent 2000;25:448–453.
-
-
Crim GA. Effect of composite resin on the microleakge of Scotchbond 2 Gluma. Am J Dent 1988;1:215–216.
-