MEASUREMENT OF LINEAR POLYMERIZATION SHRINKAGE IN LIGHT CURE IDEAL MAKOO COMPOSITE RESIN.

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GHAVAM M.; JAFARZADEH T.; ALIZADEH OSKOUEI PARNIAN

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Paper Information

Journal: Journal of Dental Medicine Year:2001 | Volume:14 | Issue:3 (28) Page(s): 30-36

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Title

MEASUREMENT OF LINEAR POLYMERIZATION SHRINKAGE IN LIGHT CURE IDEAL MAKOO COMPOSITE RESIN.

Author(s)

GHAVAM M. | JAFARZADEH T. | ALIZADEH OSKOUEI PARNIAN | Issue Writer Certificate

Keywords

POLYMERIZATION SHRINKAGEQ4

DEGREE OF CONVERSIONQ4

FTIRQ3

Abstract

POLYMERIZATION SHRINKAGE of light cure composite resins causes many complications in conservative and esthetic restorations. The objective of this in-vitro study was to evaluate the POLYMERIZATION SHRINKAGE, DEGREE OF CONVERSION and the amount of filler in IDM and tetric ceram composites. Ten disks shaped, uncured specimens (8mm×1.547mm) of each composite were placed on glass slide in the center of the metal attached to it. Then specimens were light cured for 60s from underneath. After 30 minutes, the thickness of specimens, using a micrometer and the percent of the POLYMERIZATION SHRINKAGE of each sample were measured. Statistical analysis was carried out by t-test (P<0.05). Also the DEGREE OF CONVERSION of specimens was evaluated with FTIR and the mineral filler content was measured by burning in electric oven. POLYMERIZATION SHRINKAGE in IDM and tetric ceram was not significantly different. DEGREE OF CONVERSION and mineral filler content in tetric ceram was greater than that of IDM. It is assumed that the low DEGREE OF CONVERSION in IDM is due to its chemical composition and filler content. Also, the similarity in linear POLYMERIZATION SHRINKAGE between IDM and tetric ceram may be caused by the low DEGREE OF CONVERSION in IDM.

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APA: Copy

GHAVAM, M., JAFARZADEH, T., & ALIZADEH OSKOUEI, PARNIAN. (2001). MEASUREMENT OF LINEAR POLYMERIZATION SHRINKAGE IN LIGHT CURE IDEAL MAKOO COMPOSITE RESIN.. JOURNAL OF DENTAL MEDICINE, 14(3 (28)), 30-36. SID. https://sid.ir/paper/25316/en

Vancouver: Copy

GHAVAM M., JAFARZADEH T., ALIZADEH OSKOUEI PARNIAN. MEASUREMENT OF LINEAR POLYMERIZATION SHRINKAGE IN LIGHT CURE IDEAL MAKOO COMPOSITE RESIN.. JOURNAL OF DENTAL MEDICINE[Internet]. 2001;14(3 (28)):30-36. Available from: https://sid.ir/paper/25316/en

IEEE: Copy

M. GHAVAM, T. JAFARZADEH, and PARNIAN ALIZADEH OSKOUEI, “MEASUREMENT OF LINEAR POLYMERIZATION SHRINKAGE IN LIGHT CURE IDEAL MAKOO COMPOSITE RESIN.,” JOURNAL OF DENTAL MEDICINE, vol. 14, no. 3 (28), pp. 30–36, 2001, [Online]. Available: https://sid.ir/paper/25316/en

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