Journal of pharmacy & bioallied sciences · 2024
Comparative Evaluation of Surface Roughness of Different Composite Restorative Materials after Thermocycling and Prolonged Immersion in Common Beverages Using Atomic Force Microscopy-In Vitro Study.
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Malik Akanksha, Kothari Anjali K, Dave Riya, Rao Vinay V, Vyas Kaushal, Agrawal Deep P, Patel Kishan
Аннотация
BACKGROUND: Direct composite restorations face abrupt temperature changes, varying pH, and surface deterioration in the oral environment. Atomic force microscopy (AFM) provides visual and numerical data on surface roughness.
AIM: This study evaluates and compares the surface roughness of composite restorative materials after simulating oral conditions.
MATERIALS AND METHODS: Three composite groups (n = 16 each) were tested. Group A: Microhybrid, Group B: Nanofilled, and Group C: Nanohybrid. Each group was divided into four subgroups (n = 4 each): distilled water (control), black coffee, Coca-Cola, and Red Bull. After thermocycling and immersion, surface roughness was measured using AFM.
RESULTS: Nanocomposites with uniform monomodal fillers showed the least surface disintegration and superior properties.
CONCLUSION: Resin chemistry, including filler size and matrix composition, is crucial for composite properties and performance under function.
AIM: This study evaluates and compares the surface roughness of composite restorative materials after simulating oral conditions.
MATERIALS AND METHODS: Three composite groups (n = 16 each) were tested. Group A: Microhybrid, Group B: Nanofilled, and Group C: Nanohybrid. Each group was divided into four subgroups (n = 4 each): distilled water (control), black coffee, Coca-Cola, and Red Bull. After thermocycling and immersion, surface roughness was measured using AFM.
RESULTS: Nanocomposites with uniform monomodal fillers showed the least surface disintegration and superior properties.
CONCLUSION: Resin chemistry, including filler size and matrix composition, is crucial for composite properties and performance under function.