THE EFFECT OF SALIVARY ENZYMES ON BIODEGRADATION OF DENTAL COMPOSITE RESINS

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LAYALI I.; REZAEI A.; SARIRI R.

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Journal: Biotechnological Journal of Environmental Microorganisms Year:2012 | Volume: | Issue: Page(s): 63-71

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Information Journal Paper

Title

THE EFFECT OF SALIVARY ENZYMES ON BIODEGRADATION OF DENTAL COMPOSITE RESINS

Author(s)

LAYALI I. | REZAEI A. | SARIRI R. | Issue Writer Certificate

Keywords

ENZYMESQ2

SALIVAQ2

POLYMERIC RESINSQ2

COMPOSITESQ3

BIODEGRADATIONQ2

Abstract

Cholestrol esterase activity was measured in whole SALIVA of 55 healthy volunteers. The aim of research was to evaluate the esterase, in particular cholesterol esterase activity, in human SALIVA together with investigating its effect on monomers and resins composed of these monomers separately. Two typical resin monomers, bis-phenyl glycidyl dimethacrylate, BisGMA (hydrophobic structure) and triethylene glycol dimethacrylate, TEGDMA (hydrophilic structure), were selected for our investigations. Human SALIVA samples were processed, fractionated on a gel filtration column and assayed for CE activity. Selected fractions were incubated at 37oC with the above monomers and some commercial COMPOSITES made of both types of monomers. Degradation was monitored using high-performance liquid chromatography (HPLC). The fraction with the highest cholesterol esterase character preferentially degraded the hydrophilic monomer and significantly degraded more of the composite’s material. It was, therefore, concluded that SALIVAry cholesterol esterase had preferences for distinct composite resin components and care should be taken in selection of monomers when synthesizing composite resins.

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APA: Copy

LAYALI, I., REZAEI, A., & SARIRI, R.. (2012). THE EFFECT OF SALIVARY ENZYMES ON BIODEGRADATION OF DENTAL COMPOSITE RESINS. BIOTECHNOLOGICAL JOURNAL OF ENVIRONMENTAL MICROORGANISMS, 6(1), 63-71. SID. https://sid.ir/paper/242205/en

Vancouver: Copy

LAYALI I., REZAEI A., SARIRI R.. THE EFFECT OF SALIVARY ENZYMES ON BIODEGRADATION OF DENTAL COMPOSITE RESINS. BIOTECHNOLOGICAL JOURNAL OF ENVIRONMENTAL MICROORGANISMS[Internet]. 2012;6(1):63-71. Available from: https://sid.ir/paper/242205/en

IEEE: Copy

I. LAYALI, A. REZAEI, and R. SARIRI, “THE EFFECT OF SALIVARY ENZYMES ON BIODEGRADATION OF DENTAL COMPOSITE RESINS,” BIOTECHNOLOGICAL JOURNAL OF ENVIRONMENTAL MICROORGANISMS, vol. 6, no. 1, pp. 63–71, 2012, [Online]. Available: https://sid.ir/paper/242205/en

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