EFFECT OF DIFFERENT COMPOSITE RESIN TEMPERATURES AND DIFFERENT LIGHT EXPOSURE PATTERNS ON MICROLEAKAGE OF COMPOSITE RESIN RESTORATIONS

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MOAZAMI S.M.; FALAH M.

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Journal: Journal of Mashhad Dental School Year:2004 | Volume:28 | Issue:1-2 Page(s): 105-110

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Title

EFFECT OF DIFFERENT COMPOSITE RESIN TEMPERATURES AND DIFFERENT LIGHT EXPOSURE PATTERNS ON MICROLEAKAGE OF COMPOSITE RESIN RESTORATIONS

Author(s)

MOAZAMI S.M. | FALAH M. | Issue Writer Certificate

Keywords

TEMPERATUREQ4

LIGHT EXPOSURE PATTERNQ4

MICRO LEAKAGEQ4

Abstract

Introduction: The reaction of polymerization can be controlled by the LIGHT EXPOSURE PATTERN and the TEMPERATURE. The purpose of this study was to evaluate the effect of different LIGHT EXPOSURE PATTERNs and composite TEMPERATUREs on MICRO LEAKAGE of light cured composite resin restorations. Materials and Methods: In this interventional study, class V cavities were prepared on 200 extracted human molars. Then the teeth were randomly divided into four main groups according to different LIGHT EXPOSURE PATTERNs of High Intensity Program (HIP), Low Intensity program(LOP), Pulls Program(PUL) and Suggested Progressive Program(SUP) . and 5 subgroups according to different TEMPERATUREs of composite during curing (5°c, 20°c, 35°c, 50°c and 65°c). After thermo cycling and dye penetration, measurement of MICRO LEAKAGE was done using a stereomicroscope. The data were analyzed using SPSS software (ANOVA).Results: ANOV A showed that both in enamel and dentinal margins, a significant decrease in MICRO LEAKAGE has occurred in SUP group. MICRO LEAKAGE in enamel and dentinal margins was significantly higher in HIP group than the other groups. No significant difference was observed in the rate of MICRO LEAKAGE among the 5 subgroups with different TEMPERATUREs.Conclusion: SUP light curing pattern could be considered for improving composite resin restorations as a superior LIGHT EXPOSURE PATTERN due to its ability in Polymerization control, reducing polymerization shrinkage stress and MICRO LEAKAGE. Prewar Ming of the composites is a practical and easy way to improve composite properties for dental restorations.

Cites

EVALUATION AND COMPARISON OF LIGHT CONDUCTING EFFICACY OF CERANA PREFABRICATED INLAY WITH INLAYS MADE BY BIOGLASS-CERAMIC AND DENTAL PORCELAIN IN INCREASING THE HARDNESS OF POSTERIOR COMPOSITES

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APA: Copy

MOAZAMI, S.M., & FALAH, M.. (2004). EFFECT OF DIFFERENT COMPOSITE RESIN TEMPERATURES AND DIFFERENT LIGHT EXPOSURE PATTERNS ON MICROLEAKAGE OF COMPOSITE RESIN RESTORATIONS. JOURNAL OF MASHHAD DENTAL SCHOOL, 28(1-2), 105-110. SID. https://sid.ir/paper/74258/en

Vancouver: Copy

MOAZAMI S.M., FALAH M.. EFFECT OF DIFFERENT COMPOSITE RESIN TEMPERATURES AND DIFFERENT LIGHT EXPOSURE PATTERNS ON MICROLEAKAGE OF COMPOSITE RESIN RESTORATIONS. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2004;28(1-2):105-110. Available from: https://sid.ir/paper/74258/en

IEEE: Copy

S.M. MOAZAMI, and M. FALAH, “EFFECT OF DIFFERENT COMPOSITE RESIN TEMPERATURES AND DIFFERENT LIGHT EXPOSURE PATTERNS ON MICROLEAKAGE OF COMPOSITE RESIN RESTORATIONS,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 28, no. 1-2, pp. 105–110, 2004, [Online]. Available: https://sid.ir/paper/74258/en

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