THE EFFECT OF CARBAMIDE PEROXIDE ON MICROLEAKAGE OF COMPOSITE RESTORATIONS (AN IN VITRO STUDY)

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GHAVAM NASIRI M.

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Journal: Journal of Dental School Year:2001 | Volume:19 | Issue:3 Page(s): 294-301

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Title

THE EFFECT OF CARBAMIDE PEROXIDE ON MICROLEAKAGE OF COMPOSITE RESTORATIONS (AN IN VITRO STUDY)

Author(s)

GHAVAM NASIRI M. | Issue Writer Certificate

Keywords

CARBAMIDE PEROXIDEQ2

MICROLEAKAGEQ4

COMPOSITEQ3

Abstract

The purpose of this in vitro study was to invtestigate the MICROLEAKAGE of a COMPOSITE following the use of CARBAMIDE PEROXIDE. A total of 80 Sound permolar teeth were selected, with class V cavity preparation, filled with Tetric Flow or Syntac. Specimens were divided into four groups after being subjected to 500 times of thermal cycling. Group A (Control) was kept in humidor for 3 weeks, while groups B, C and D were kept in contact with lOck CARBAMIDE PEROXIDE using a special appliance for 2, 3 and 4 weeks (time of immersion in bleaching agent was 8 hours in each day). The roots and crowns were primarily sealed using a nail varnish. Each tooth was then immersed in 0.5% Basic Fuchsion. Pollowed by sectionning from about 2 mm below the CEl. Dye penetrations were measured by stereomicroscope in gingival and occlusal margins. Pearson"s test and log linear with 95% significancy were employed to evaluate the data. Results showed:1- No relation be~een the type of margin and dye penetration in group A, Band C. However the frequency was greater in group Band C compare to the group A.2-There was a correlation between type of margin and dye penetration in group D,.3-The highest dye penetration was seen in group D at the gingival margin.4-The highest dye penetration was seen in groups Band D at their occlusal margins, respectively.Inconclusion: MICROLEAKAGE is seen in restorations after two weeks immersion in CARBAMIDE PEROXIDE, this means that any restoration should be replaced if subjected to the bleaching procedure.

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APA: Copy

GHAVAM NASIRI, M.. (2001). THE EFFECT OF CARBAMIDE PEROXIDE ON MICROLEAKAGE OF COMPOSITE RESTORATIONS (AN IN VITRO STUDY). JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, 19(3), 294-301. SID. https://sid.ir/paper/22274/en

Vancouver: Copy

GHAVAM NASIRI M.. THE EFFECT OF CARBAMIDE PEROXIDE ON MICROLEAKAGE OF COMPOSITE RESTORATIONS (AN IN VITRO STUDY). JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE[Internet]. 2001;19(3):294-301. Available from: https://sid.ir/paper/22274/en

IEEE: Copy

M. GHAVAM NASIRI, “THE EFFECT OF CARBAMIDE PEROXIDE ON MICROLEAKAGE OF COMPOSITE RESTORATIONS (AN IN VITRO STUDY),” JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, vol. 19, no. 3, pp. 294–301, 2001, [Online]. Available: https://sid.ir/paper/22274/en

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