Mechanical Properties of Composite Core Build-Up Materials: A Comparative Study.
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| Title: | Mechanical Properties of Composite Core Build-Up Materials: A Comparative Study. |
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| Authors: | Mundy, Emily1 (AUTHOR), Engineer, Sanaya V.1 (AUTHOR), Butler, Sheila1 (AUTHOR), Rizkalla, Amin1 (AUTHOR), Santos Junior, Gildo Coelho1 (AUTHOR), Santos, Maria Jacinta Moraes Coelho1 (AUTHOR) |
| Source: | Materials (1996-1944). Apr2026, Vol. 19 Issue 8, p1487. 12p. |
| Subjects: | Composite materials, Core materials, Properties of matter, Dental resins, Dental materials, Mechanical behavior of materials, Flexural strength |
| Abstract: | Objective: To determine the most suitable core build-up materials based on their mechanical and physical properties, different resin based materials were evaluated for flexural strength (FS), flexural modulus (E), modulus of resilience (R), water sorption (WS), and solubility (SO). Materials and Methods: Three dual-cure resins (CosmeCore DC Automix, CCC; Clearfil DC Core Plus, CCP; MultiCore Flow, CMC) and two bulk fill composites (Filtek One Bulk Fill Restorative, BFO; Filtek Bulk Fill Flowable, BFF) were tested, with Filtek Supreme Ultra (FSU) as the control. All tests followed ISO 4049. Beam specimens (25 × 2 × 2 mm, n = 12) were used to determine FS and E after 24 h storage in 37 °C deionized water, using a three-point bending test. Disc specimens (15 × 1 mm, n = 5) were used for WS and SO by measuring mass changes before and after water storage. Data were analysed using one way ANOVA and Tukey post hoc tests (p < 0.05). Results: CCC exhibited the highest FS and lowest WS. BFF showed the lowest E, while BFO exhibited the highest R. FSU demonstrated the lowest FS and R, along with the highest WS. No significant differences in SO were observed among groups. Conclusions: The evaluated materials showed considerable variation in mechanical and physical properties. CCC and BFO demonstrated the most favourable performance, suggesting they are the most suitable candidates for core build up procedures among the materials tested. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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