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The effect of simulated gastric fluid on surface hardness of provisional prosthetic materials

Purpose: The purpose of this study was to investigate the effect of simulated gastric juice on the surface hardness of different provisional prosthetic materials Materials and Methods: A total of fourty-eight specimens (Acrytemp, Protemp 4, Temdent Classic Dark, Bisco Temp S) were prepared using a PTFE mould. After polishing, the specimens were immersed simulated gastric for 24 hours. Surface hardness was measured using a Vickers hardness tester. Surface hardness measurements was carried out before and after the specimens immersed in simulated gastric fluid. Data were analyzed using the statistical software and subjected to one-way ANOVA and a post hoc Tukey test were used for multiple comparisons (α=0.05). Results: The results of revealed that the simulated gastric fluid effects the hardness of provisional prosthetic materials. There were statistically significant differences in values of hardness of restorative materials (P<.001). Conclusions: Based on the results of the study, the colors of hardness of provisional prosthetic materials were affected by simulated gastric juice. The patients with gastroesophageal reflux disease should be warned by the dentists about the strength of the provisional prosthetic materials

Burcu Yılmaz
Bahçeşehir University, Vocational School of of Health Sciences

Yeşim Ölçer Us
Bahçeşehir University, School of Dental Medicine

Emir Yüzbaşıoğlu
Bahçeşehir University, School of Dental Medicine


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