COMPARISON OF LINEAR DIMENSIONAL CHANGES OF TWO COLD - CURE ACRYLIC RESINS

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MOSHARAF R.; FARZAN ALI; FARAHNAKIAN F.

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Paper Information

Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2005 | Volume:17 | Issue:3 (56) Page(s): 69-75

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Title

COMPARISON OF LINEAR DIMENSIONAL CHANGES OF TWO COLD - CURE ACRYLIC RESINS

Author(s)

MOSHARAF R. | FARZAN ALI | FARAHNAKIAN F. | Issue Writer Certificate

Keywords

ACRYLIC RESINSQ2

SELFQ4

CURINGQ3

DIMENSIONAL CHANGESQ4

DIMENSIONAL STABILITYQ3

SHRINKAGEQ3

Abstract

Background and Aim: Cold-cure ACRYLIC RESINS are commonly used for making interim prostheses, orthodontic appliances, denture repairs and special trays. ACRYLIC RESINS exhibit certain unavoidable changes that may affect on appliances accuracy. The aim of this study was to compare the linear DIMENSIONAL CHANGES of two cold - cure ACRYLIC RESINS: Acropars and Meliodent.Materials and Methods: In this experimental laboratory study, twenty specimens in two groups of ten were made by Acropars OP and Meliodent ACRYLIC RESINS according to the manufacturer's instructions. DIMENSIONAL CHANGES were measured at 24, 48 and 72 hours after setting by a digital collis. The results were analyzed using t-test, t-paired test and repeated measure ANOVA.Results: In Acropars OP specimens, the difference between 48 hours and 72 hours (96.20±0.20 vs. 96.33±0.17) was significant (P3=0.006) but the differences between 24 (96.20±0.25) and 48 hours (P1 =0.958) and between 24 and 72 hours (P2=0.123) were not significant. In Melidoent specimens, the differences between all 3 days (0.37±0.47, 0.15±0.28 and 0.18±0.24) were significant (Pl=0.005, P=0.001 and P3=0.005). Moreover, the differences between Acropars and Meliodent ACRYLIC RESINS on all three days (first: 95.82±0.25, second: 96.05±0.11 and third 96.15±0.10) were significant (P=0.003). The differences between mean groups and metallic dye, after three days, were significant in Meliodent group (P=0.000), but in significant in Acropars group (P=0.774).Conclusion: Meliodent SELF-cure resin had considerable DIMENSIONAL CHANGES when compared to Acropars resin. Maximum differences between these two types of ACRYLIC RESINS were in the first 24 hours and the minimum difference was at 48 hours after polymerization.

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References

COMPARISON OF DIMENSIONAL CHANGES OF TWO COLD - CURED ACRYLIC RESINS: ACROPARS AND MELIODENT

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APA: Copy

MOSHARAF, R., FARZAN, ALI, & FARAHNAKIAN, F.. (2005). COMPARISON OF LINEAR DIMENSIONAL CHANGES OF TWO COLD - CURE ACRYLIC RESINS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 17(3 (56)), 69-75. SID. https://sid.ir/paper/372278/en

Vancouver: Copy

MOSHARAF R., FARZAN ALI, FARAHNAKIAN F.. COMPARISON OF LINEAR DIMENSIONAL CHANGES OF TWO COLD - CURE ACRYLIC RESINS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2005;17(3 (56)):69-75. Available from: https://sid.ir/paper/372278/en

IEEE: Copy

R. MOSHARAF, ALI FARZAN, and F. FARAHNAKIAN, “COMPARISON OF LINEAR DIMENSIONAL CHANGES OF TWO COLD - CURE ACRYLIC RESINS,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 17, no. 3 (56), pp. 69–75, 2005, [Online]. Available: https://sid.ir/paper/372278/en

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