COMPARATIVE EVALUATION OF FRACTURE RESISTANCE BETWEEN TWO ALUMINA CERAMIC COPINGS

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AHANGARI AHMADHASAN; TORABI KIANOOSH; MOTAMEDI MILAD

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Journal: Journal of Mashhad Dental School Year:2011 | Volume:35 | Issue:3 (78) Page(s): 147-156

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Title

COMPARATIVE EVALUATION OF FRACTURE RESISTANCE BETWEEN TWO ALUMINA CERAMIC COPINGS

Author(s)

AHANGARI AHMADHASAN | TORABI KIANOOSH | MOTAMEDI MILAD | Issue Writer Certificate

Keywords

FRACTURE LOADQ3

CERAMIC COPINGQ2

ALUMINAQ2

TURKOM-CERAQ2

IN-CERAM ALUNINAQ2

Abstract

Introduction: In spite of ceramics’ desirable esthetics and compressive strength, they are inherently prone to fracture and are weak against tensile and torsional loads. In-Ceram ALUMINA is a type of reinforced ALUMINA which has been used as a core material for crowns and three units anterior bidges since 90s. TURKOM-CERA is presented in the market recently which uses a simple method to produce single and multiple unit anterior and posterior restorations. The purpose of this study is to evaluate the fracture resistance of copings made by these systems.Materials & Methods: 40 brass dyes were prepared and divided into two groups. To make the copings, impression was taken and model dyes were made.20 CERAMIC COPING were prepared according to manufacturers instructions for each group, cemented to brass dyes and kept in 100% moisture for one week. Load to fracture test was performed by Universal testing machine and load was applied by a speed of 0.5 mm/min. FRACTURE LOAD was recorded for each specimen. Data were collected and entered to the SPSS software and t-test was done.Results: The average FRACTURE LOAD for TURKOM-CERA was 1273 N and was 1079 N for In-Ceram ALUMINA. The maximum and minimum values for the first group was 2490, 530 N and for the second group was 1490, 714 N respectively. According to t-test results with P-value<0.05 there was no significant difference between the two groups.Conclusion: According to the close results for both groups, clinical performance of the TURKOM-CERA CERAMIC COPINGs would be similar to In-Ceram ALUMINA and a wide range of clinical use could be anticioated for this system.

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APA: Copy

AHANGARI, AHMADHASAN, TORABI, KIANOOSH, & MOTAMEDI, MILAD. (2011). COMPARATIVE EVALUATION OF FRACTURE RESISTANCE BETWEEN TWO ALUMINA CERAMIC COPINGS. JOURNAL OF MASHHAD DENTAL SCHOOL, 35(3 (78)), 147-156. SID. https://sid.ir/paper/73892/en

Vancouver: Copy

AHANGARI AHMADHASAN, TORABI KIANOOSH, MOTAMEDI MILAD. COMPARATIVE EVALUATION OF FRACTURE RESISTANCE BETWEEN TWO ALUMINA CERAMIC COPINGS. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2011;35(3 (78)):147-156. Available from: https://sid.ir/paper/73892/en

IEEE: Copy

AHMADHASAN AHANGARI, KIANOOSH TORABI, and MILAD MOTAMEDI, “COMPARATIVE EVALUATION OF FRACTURE RESISTANCE BETWEEN TWO ALUMINA CERAMIC COPINGS,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 35, no. 3 (78), pp. 147–156, 2011, [Online]. Available: https://sid.ir/paper/73892/en

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