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|Title:||Effect of dentin age on effectiveness of dentin bonding agents.||Authors:||Sidhu, S.K.
|Issue Date:||Nov-1991||Citation:||Sidhu, S.K.,Soh, G.,Henderson, L.J. (1991-11). Effect of dentin age on effectiveness of dentin bonding agents.. Operative dentistry 16 (6) : 218-222. ScholarBank@NUS Repository.||Abstract:||The purpose of this research effort was to investigate the effect of age changes in dentin on the effectiveness of two dentin adhesives in minimizing microleakage at the tooth-restoration interface. Cavities were prepared in permanent teeth extracted from patients below 20 years or over 55 years of age. Wedge-shaped cervical preparations were made with the gingival cavosurface margin on dentin. Treatment groups were randomly restored with one of two composite restorative materials, together with the appropriate dentin adhesives. The control group specimens were restored with the respective composite restorative materials without the adhesives. All specimens were thermocycled, then placed in 0.5% basic fuchsin dye solution for 24 hours and subsequently sectioned longitudinally. Microleakage at the tooth-restoration interface was assessed by dye penetration. The results showed that the use of adhesives significantly reduced microleakage along the tooth-restoration interface. The adhesive formulated with glycidyl methacrylate was significantly more effective in reducing microleakage in dentin of the over-55 age group.||Source Title:||Operative dentistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/79890||ISSN:||03617734|
|Appears in Collections:||Staff Publications|
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