2017
DOI: 10.1590/1678-7757-2016-0663
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Abstract: Objective:The purpose of this study was to compare laser with conventional techniques in class V cavity preparation in gamma-irradiated teeth.Methods:Forty extracted human teeth with no carious lesions were used for this study and were divided into two main groups: Group I (n = 20) was not subjected to gamma radiation (control) and Group II (n=20) was subjected to gamma radiation of 60 Gray. Standard class V preparation was performed in buccal and lingual sides of each tooth in both groups. Buccal surfaces wer… Show more

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Cited by 4 publications
(4 citation statements)
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“…In three of four studies that evaluated microleakage, a higher degree of microleakage occurred in irradiated specimens than in unirradiated ones [ 28 , 35 , 48 ]. Lower degrees of microleakage were detected in teeth that had been covered with aluminum shields during irradiation [ 35 ].…”
Section: Resultsmentioning
confidence: 99%
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“…In three of four studies that evaluated microleakage, a higher degree of microleakage occurred in irradiated specimens than in unirradiated ones [ 28 , 35 , 48 ]. Lower degrees of microleakage were detected in teeth that had been covered with aluminum shields during irradiation [ 35 ].…”
Section: Resultsmentioning
confidence: 99%
“…Four studies investigated microleakage of restorations placed in irradiated teeth. The majority of these studies reported higher microleakage in irradiated teeth compared with control teeth [ 28 , 35 , 48 ]. However, one study found no difference in leakage between irradiated and unirradiated teeth and reported better results with a self-etch adhesive than an etch-and-rinse adhesive at cervical margins of restorations [ 49 ].…”
Section: Discussionmentioning
confidence: 99%
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“…Microleakage created by polymerization shrinkage of resin-based dental restorations is considered a major concern for the clinical durability (17)(18)(19) . Microleakage has wide clinical symptoms, for example postoperative hypersensitivity, marginal discoloration, bonding failure causing dislodgement of the restoration, and Bacterial marginal leakage which may results in recurrent caries and pulpal irritation, which may become irreversible in some cases (20,21) . Although many improvements have been done on adhesive systems, but they do not totally eliminate microleakage.…”
Section: Introductionmentioning
confidence: 99%