- Sağlık Bilimlerinde İleri Araştırmalar Dergisi
- Cilt: 6 Sayı: 2
- EVALUATION OF FLEXURAL STRENGTH OF DIFFERENT RESTORATIVE MATERIALS
EVALUATION OF FLEXURAL STRENGTH OF DIFFERENT RESTORATIVE MATERIALS
Authors : Almira Ada Diken Türksayar, Simge Baytur
Pages : 149-152
Doi:10.26650/JARHS2023-1200694
View : 58 | Download : 93
Publication Date : 2023-06-26
Article Type : Research
Abstract :Objective: The aim of this in vitro study was to compare the biaxial flexural strengths of permanent restorative materials produced by additive manufacturing and milling after thermal aging. Material and methods: For this study, three study groups were formed by producing disc-shaped specimens with a 3D printer (Form3, Formlabs) using permanent crown material (Permanent Crown, Somerville, MA) and two different resin-containing materials (Brilliant Crios,Coltene/ Whaledent; Cerasmart, GC Europe) by the milling method (n=10). The entire production process was carried out in accordance with the manufacturer’s instructions. All specimens were then polished under water with silicon carbide papers. The specimens were then subjected to thermal aging (5-55°C, 5000 cycles). After aging, biaxial flexural strength values of all specimens were measured with a universal testing machine. The obtained data were evaluated with the one-way ANOVA test and posthoc TUKEY test (α=0.05). Results: According to the data obtained, no significant difference was found between the groups produced by the milling method (p=0.878). While no difference was found between the group produced by additive manufacturing and the Cerasmart group (p=0.110), it was observed that the flexural strength was significantly lower than the Brilliant Crios group (p=0.040). Conclusion: As a result of this in vitro study, the lowest biaxial flexural strength after thermal aging among the groups was observed in the group produced with additive manufacturing.Keywords : Eklemeli üretim, biaksiyal eğilme dayanımı, CAD/CAM