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Comparison of the Micro Leakage of Class 5 Restorations with Universal Self-etch Bonding and 5th Generation Total-etch Bonding in Anterior Deciduous Tooth: an in-Vitro Study
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A Mehdipour    , M Jamshidian , M Nabovvati , M Aghaali * |
| 4. Department of Epidemiology, School of Health, Qom University of Medical Sciences, Qom, I.R.Iran , dr.aghaali@yahoo.com |
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Abstract: (3757 Views) |
BACKGROUND AND OBJECTIVE: Micro leakage is one of the major causes of failure to repair and subsequent caries. The difference in the structure of enamel and dentin in deciduous teeth can affect the selection of bonding agents. The purpose of this study was to compare the micro leakage of class 5 restorations using self-etch universal bonding and fifth-generation total etching in primary anterior teeth.
METHODS: In this in-vitro study, 45 healthy anterior deciduous extracted teeth were randomly divided into three groups of 15 each. Class 5 cavities were created on the buccal surface of all teeth. Then restoration was done in first group by using Universal Self-etch Bonding Saremco, in the second group using Universal Self-Bonding G Permio Bond and in the third group using 5th generation Total-etch TNT Tetric-Bond, and using Filtek Z250 composite. Micro leakage was investigated using methylene blue based on the intensity of 0 to 3.
FINDINGS: In Tetric-N Bond group, 33.3% had no micro leakage, 53.3% had first degree micro leakage, and 13.3% had second degree micro leakage. In group G Permio Bond, 33.3% had first degree micro leakage, 53.3% had second degree micro leakage and 13.3% had third degree micro leakage. In Saremco-Bond group, all teeth had grade 3 micro leakage. The distribution of micro leakage intensity in the Saremco group was significantly different from the Tetric-N group (p= 0.000) and the G-permio group (p= 0.002).
CONCLUSION: The results of the present study showed that the Universal Self-etching Saremco Unibond had more micro leakage than the other two bonds. |
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| Keywords: Dental Bonding, Dental Cements, Deciduous Tooth. |
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Full-Text [PDF 259 kb]
(1272 Downloads)
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Type of Study: Experimental |
Subject:
Dentistry (pediatrics)
Received: 2019/02/1 | Accepted: 2020/01/12 | Published: 2020/06/16
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