EFFECT OF VARIOUS LINERS ON THE IN VITRO MICROLEAKAGE OF CERVICAL MARGINS OF CLASS V COMPOSITE RESTORATION

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MOHAMMADI BASIR M.; NAZARI MOGHADAM K.; LABAF H.

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Journal: Daneshvar Medicine: Basic and Clinical Research Journal Year:2008 | Volume:15 | Issue:72 Page(s): 53-64

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Title

EFFECT OF VARIOUS LINERS ON THE IN VITRO MICROLEAKAGE OF CERVICAL MARGINS OF CLASS V COMPOSITE RESTORATION

Author(s)

MOHAMMADI BASIR M. | NAZARI MOGHADAM K. | LABAF H. | Issue Writer Certificate

Keywords

MICROLEAKAGEQ3

LINERSQ3

FILLED ADHESIVE LINERQ3

GLASS-IONOMER LINERQ3

FLOWABLE COMPOSITE LINERQ3

CLASS V RESTORATIONSQ3

Abstract

Objectives: The purpose of this study was to investigate the MICROLEAKAGE at cervical margins of class V composite restorations with thickened no filled adhesive, flowable composite, filled adhesive and glass- ionomer LINERS (light cured, conventional).Materials & Methods: Thirty recently extracted human molars were prepared with standardized class V cavities of 5mm length (mesial- distal x 2mm width (occlusal- gingival), and 1.5mm depth with cervical margins located 1.5mm under CEJ on the buccal and lingual surfaces. The cavities were randomly assigned into 6 groups (n= 10); group 1-SBMP +Filtek Z250 (control); group 2 – SBMP +2 layer of adhesive of SBMP located only on the gingival wall (3 layers) + Filtek Z250; group 3- SBMP + filled adhesive (PQ1)1 layer located only on the gingival wall + Filtek Z250; group 4 – SBMP + Filtek Flow 1 layer located only on the gingival wall (0.5mm) + Filtek Z250; group 5 – Fuji II LC (1 layer only on the gingival wall with 0.5mm thickness) + SBMP + Filtek Z250 and group 6 –Fuji II LC (1 layer only on the gingival wall with 0.5mm thickness) + SBMP + Filtek Z250. After immersion in tap water for 24h, the specimens were thermocycled (500X 5- 55 c, 30 sec dwell time) and then immersed in a 0.5% basic fuchsine solution for 24h. The restorations were sectioned longitudinally at buccolingual direction and were observed under the stereo-microscope at 40x magnification and extent of dye penetration was assesd according to ISO TR 11405, 2003. Data was subjected to the Kruskal –Wallis and Mann- Withney U test (p<0.05).Results: groups III, V and VI showed lesser MICROLEAKAGE than group I (p<0.05). Groups I, II and IV showed similar MICROLEAKAGE (p>0.05).Conclusion: This study showed that any of used methods could not completely eliminate the cervical microleakag, but glaas-ionomer LINERS and filled adhesive could reduce the cervical MICROLEAKAGE.

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APA: Copy

MOHAMMADI BASIR, M., NAZARI MOGHADAM, K., & LABAF, H.. (2008). EFFECT OF VARIOUS LINERS ON THE IN VITRO MICROLEAKAGE OF CERVICAL MARGINS OF CLASS V COMPOSITE RESTORATION. DANESHVAR MEDICINE, 15(72), 53-64. SID. https://sid.ir/paper/31146/en

Vancouver: Copy

MOHAMMADI BASIR M., NAZARI MOGHADAM K., LABAF H.. EFFECT OF VARIOUS LINERS ON THE IN VITRO MICROLEAKAGE OF CERVICAL MARGINS OF CLASS V COMPOSITE RESTORATION. DANESHVAR MEDICINE[Internet]. 2008;15(72):53-64. Available from: https://sid.ir/paper/31146/en

IEEE: Copy

M. MOHAMMADI BASIR, K. NAZARI MOGHADAM, and H. LABAF, “EFFECT OF VARIOUS LINERS ON THE IN VITRO MICROLEAKAGE OF CERVICAL MARGINS OF CLASS V COMPOSITE RESTORATION,” DANESHVAR MEDICINE, vol. 15, no. 72, pp. 53–64, 2008, [Online]. Available: https://sid.ir/paper/31146/en

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