Evaluation of Compressive Strength and Setting Expansion of GC and Adenta Dye Stones

Amin  Khaleghi; Azam  Pouryousof; Mohsen   Hormozi

doi:10.18502/ijds.v17i2.6873

Amin Khaleghi Postgraduate Student, Department of Orthodontics, Dental Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran.
Azam Pouryousof Dentist, Zahedan, Iran.
Mohsen Hormozi Assistant Professor, Department of Prosthodontics, School of Dentistry, Zahedan University of Medical Sciences, Zahedan, Iran.

DOI: https://doi.org/10.18502/ijds.v17i2.6873

Keywords: Dental casting investment, Dental gypsum, Compressive strength

Abstract

Introduction: The aim of this study was the Evaluation of compressive strength and setting expansion of GC and Adenta dye stones.

Materials & Methods: This study was an experimental study. The sample number was 21 for each group (n = 21). Compressive strength and setting expansion of GC and Adenta dye stones was tested based on ADA Standard 25 and Iranian Standard No. 2792. Data analysis was done with Independent-Sample t-test (p value = 0.05).

Results: There was no significant difference between GC (47.61 ± 5.54) and Adenta groups (44.31 ± 7.71) in terms of compressive strength. Also, there was no significant difference in the setting expansion between GC (0.07 ± 0.008) and Adenta dye stones (0.08 ± 0.001).

Conclusion: The results of this study showed that there is no statistically significant difference in setting expansion and compressive strength between GC and Adenta dye stones and both samples was under standard condition )p value < 0.05).