Effects of various etching protocols on the flexural properties and surface topography of fiber-reinforced composite dental posts

Aksornmuang, Juthatip; Chuenarrom, Chanya; Chittithaworn, Natjira

doi:10.4012/dmj.2016-290

Cited by 18 publications

(11 citation statements)

References 20 publications

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“…11,34,35 Several studies have been previously carried out to investigate the bond strength of adhesive and fiber post systems. 36,37,38,39,40 Flexural strength of the fiber post may play a significant role in the outcome of postretained restoration. 41 An important factor for fiber post strength could be the type of resinous matrix and the manufacturing process used to promote chemical bond between the fiber and the resin.…”

Section: Discussionmentioning

confidence: 99%

Microtensile bond strength of root canal dentin treated with adhesive and fiber-reinforced post systems

Başaran

Ayna

et al. 2019

Braz. oral res.

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Nowadays, demand for esthetic restorations has risen considerably; thus, nonmetal esthetic posts made of either highstrength ceramics or reinforced resins, such as fiber-reinforced resin posts, have become more and more popular. Important characteristics of fiber-reinforced posts involve a modulus of elasticity similar to dentin and their ability to be cemented by an adhesive technique. A total of 36 maxillary incisors were divided into four groups. In this study, four adhesively luted fiber-reinforced (glass fiber, quartz glass fiber, zirconia glass fiber and woven polyethylene fiber ribbon) post systems were used. Post spaces were prepared by employing drills according to the protocol established for each group, and each post was adhesively luted with one of three adhesive systems. Three segments per root apical to the cementoenamel junction (CEJ) were obtained by sectioning the root under distilled water with a carbon spare saw. The samples (total of 108 sections) were 2.0±0.1 mm in thickness and they were stored individually in black film canisters with sterile distilled water. In order to determine the bond strength, the bonding area of each specimen was measured, and specimens were attached to a device to test microtensile strength at a speed of 1 mm/min. The analyses revealed no statistically significant differences between the adhesive systems and fiber-reinforced posts. (P> 0.05). However, the coronal portion of the root dentin had the highest bond strength. Adhesive systems used along with fiber-reinforced resin posts demonstrated reliable bonding.

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Section: Discussionmentioning

confidence: 99%

Microtensile bond strength of root canal dentin treated with adhesive and fiber-reinforced post systems

Başaran

Ayna

et al. 2019

Braz. oral res.

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“…The surface treatment with HF showed higher bond strength of CSCs to ber posts than SB and C groups. The HF surface treatment might modify the outer surface layer of the ber post without compromising the strength properties of the post [23,25]. It was observed that HF surface treatment caused some cracks in RP post and the glass bers were exposed in RX post ( Fig.…”

Section: Discussionmentioning

confidence: 99%

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

Elnaghy

Mandorah

Hassan

et al. 2020

Preprint

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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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“…A previous study showed that 4 and 9.5% concentrations of hydrofluoric acid exerted similar effects on fiber post durability. However, prolonged exposures, such as 120 s, can deteriorate glass fibers, thus increasing their fragility (Aksornmuang, Chuenarrom, & Chittithaworn, 2017). Micro-push-out adhesion ability of fiber posts increases when 9.5% hydrofluoric acid is applied for 60 s (Cekic-Nagas et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Effect of dentin and fiber post surface treatments with fumaric acid on the bonding ability of fiber posts

Sarıçam

Arslan

2020

Microscopy Res & Technique

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This study investigated the effects of fumaric acid on push‐out bond strength when applied to dentin surfaces and fiber posts. The root canals of 60 mandibular premolar teeth were instrumented and obturated. After removing two thirds of filling material, teeth were prepared according to six randomized groups (n = 10/group) defined by two fiber post surface treatments (0.7% fumaric acid or 9% hydrofluoric acid) and three dentin conditioning treatments [control (no conditioning); 17% ethylenediamine tetraacetic acid (EDTA); or 0.7% fumaric acid]. After fiber post‐cementation, three 1‐mm thick discs were obtained from each tooth by transverse sectioning, and each disc underwent push‐out bond strength testing. Data were analyzed with a one‐way analyses of variance (anova) and t tests; p < .05 was considered statistically significant. Failure modes were determined by stereomicroscopy, and the surface characteristics of dentin and fiber posts were observed by scanning electron microscopy. Push‐out bond strength was greater for the group in which the post surface treated with hydrofluoric acid and the dentin surface treated with fumaric acid than the nontreated dentin and hydrofluoric acid‐treated post group (p < .05). There were no significant differences between other comparison pairs (p > .05). A combination of fumaric acid dentin conditioning and hydrofluoric acid fiber post treatment strengthened the bonding ability of fiber posts.

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Effects of various etching protocols on the flexural properties and surface topography of fiber-reinforced composite dental posts

Cited by 18 publications

References 20 publications

Microtensile bond strength of root canal dentin treated with adhesive and fiber-reinforced post systems

Microtensile bond strength of root canal dentin treated with adhesive and fiber-reinforced post systems

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

Effect of dentin and fiber post surface treatments with fumaric acid on the bonding ability of fiber posts

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