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Effect of Surface Treatments on Push-out Bond Strength of Calcium Silicate-based Cements to Fiber Posts

Article scientifique 2020 Anglais

Résumé

Abstract Background: To evaluate the effect of surface treatments on the push-out bond strength of Biodentine (BD) and white mineral trioxide aggregate (WMTA) to fiber posts. Methods: Two brands of fiber posts were used: Reblida post; RP and RelyX post; RX. Each type of post was divided into four groups and exposed to surface treatment as follows: Control (no treatment), sandblasting (SB), hydrofluoric acid (HF), and TiF4 4 wt/v%. Push-out bond strength of BD and WMTA to glass fiber posts was assessed. Data were statistically analyzed. Results: BD showed higher bond strength than WMTA (P < 0.001). The push-out bond strength for posts treated with TiF4 4 wt/v% showed greater bond strength than the other surface treatments (P < 0.05). The BD/RP-TiF4 4 wt/v% showed the greater characteristic bond strength (σ0) (15.93) compared with the other groups. Conclusions: The BD/RP-TiF4 4 wt/v% showed greater bond strength compared with the other groups. The TiF4 4 wt/v% surface treatment enhanced the bond strength of BD and WMTA to glass fiber posts than the other treatments. Surface treatment of fiber post with TiF4 4 wt/v% could be used to improve the bond strength with calcium silicate-based cements.

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Elnaghy, A., Mandorah, A., Hassan, A., Elshazli, A., Elsaka, S. (2020). Effect of Surface Treatments on Push-out Bond Strength of Calcium Silicate-based Cements to Fiber Posts. https://doi.org/10.21203/rs.3.rs-123467/v1

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Auteur(s)

Amr M. Elnaghy Ayman Mandorah Ali H. Hassan Alaa H. Elshazli Shaymaa E. Elsaka

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