THE EFFECT OF THREE DIFFERENT CURING METHODS ON THE MICROLEAKAGE OF CLV POSTERIOR COMPOSITE RESTORATIONS

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MOHAMMADI N.; ALIZADEH OSKOUEI PARNIAN; SAVADI OSKOUEI SIAVASH

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Paper Information

Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2007 | Volume:18 | Issue:4 (61) Page(s): 91-96

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Title

THE EFFECT OF THREE DIFFERENT CURING METHODS ON THE MICROLEAKAGE OF CLV POSTERIOR COMPOSITE RESTORATIONS

Author(s)

MOHAMMADI N. | ALIZADEH OSKOUEI PARNIAN | SAVADI OSKOUEI SIAVASH | Issue Writer Certificate

Keywords

MICROLEAKAGEQ2

COMPOSITE RESINQ3

BONDING AGENTSQ3

PULSE DELAYQ3

SOFT STARTQ3

Abstract

Background and Aim: Light-cured composites have become almost universal in modem clinical dentistry. Unfortunately, these materials have demonstrated critical limitations such as postoperative sensitivity and polymerization shrinkage. The aim of this study was to evaluate the effects of three curing modes on the MICROLEAKAGE of class V composite restorations.Materials and Methods: In this experimental in vitro study, class V cavities were prepared on the buccal surfaces of 90 extracted human molar and premolar teeth and were randomly divided into 3 groups. All teeth were etched followed by bonding and composite filling. Three different methods were used for curing: conventional, 750 mw/cm2/40s; PULSE DELAY, 400 mw/cm2/5s-5 minutes delay-750 mw/cm2/35s; and SOFT START, beginning at 150 mw/cm2 and increasing to 750 mw/cm2 during 15 seconds and remaining for another 35 seconds. After polishing, the specimens were stored in a 37°C incubator, thermocycled (500 cycles) and immersed in basic %0.5 fushin. Longitudinal buccolingual sections of all teeth were scored for marginal dye penetration under a stereomicroscope. Kruskal-Wallis test was used for statistical analysis.Results: Leakage was observed in all groups but no significant difference was found in the MICROLEAKAGE scores among the three light-curing techniques, used in this investigation.Conclusion: These findings suggest that the 3 studied light-curing methods may have no effect on the MICROLEAKAGE of class V posterior composite restorations.

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APA: Copy

MOHAMMADI, N., ALIZADEH OSKOUEI, PARNIAN, SAVADI OSKOUEI, SIAVASH,. (2007). THE EFFECT OF THREE DIFFERENT CURING METHODS ON THE MICROLEAKAGE OF CLV POSTERIOR COMPOSITE RESTORATIONS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 18(4 (61)), 91-96. SID. https://sid.ir/paper/54967/en

Vancouver: Copy

MOHAMMADI N., ALIZADEH OSKOUEI PARNIAN, SAVADI OSKOUEI SIAVASH. THE EFFECT OF THREE DIFFERENT CURING METHODS ON THE MICROLEAKAGE OF CLV POSTERIOR COMPOSITE RESTORATIONS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2007;18(4 (61)):91-96. Available from: https://sid.ir/paper/54967/en

IEEE: Copy

N. MOHAMMADI, PARNIAN ALIZADEH OSKOUEI, SIAVASH SAVADI OSKOUEI, an, “THE EFFECT OF THREE DIFFERENT CURING METHODS ON THE MICROLEAKAGE OF CLV POSTERIOR COMPOSITE RESTORATIONS,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 18, no. 4 (61), pp. 91–96, 2007, [Online]. Available: https://sid.ir/paper/54967/en

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