Adhesive application after ceramic surface treatment is detrimental to load-bearing capacity under fatigue of a lithium disilicate glass-ceramic

Velho, Helder Callegaro; Rosa, Lucas Saldanha da; Temp, Renatta Wrasse; Maidana, Fernanda Cocco; Pereira, Gabriel Kalil Rocha; May, Liliana Gressler; Valandro, Luiz Felipe

doi:10.1016/j.jmbbm.2022.105453

Cited by 3 publications

(1 citation statement)

References 37 publications

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“…According to Guilardi et al [48] , self-adhesive resin cement has a higher viscosity and, thus, is less able to fill surface flaws. To overcome this limitation the application of an adhesive layer on the ceramic was proposed as it can increase ceramics fatigue load-bearing capacity [77] . However, this method does not contribute to bond strength according to Passos et al [78] and Nogueira et al [79] .…”

Section: Discussionmentioning

confidence: 99%

Effect of hydrofluoric acid and self-etch ceramic primers on the flexural strength and fatigue resistance of glass ceramics: A systematic review and meta-analysis of in vitro studies

Moreira,

Carvalho,

de Castro Albuquerque

et al. 2024

Japanese Dental Science Review

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Section: Discussionmentioning

confidence: 99%

Effect of hydrofluoric acid and self-etch ceramic primers on the flexural strength and fatigue resistance of glass ceramics: A systematic review and meta-analysis of in vitro studies

Moreira,

Carvalho,

de Castro Albuquerque

et al. 2024

Japanese Dental Science Review

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A comprehensive study on MDP effects: Microshear bond strength and fatigue resistance in 4YSZ ceramics

Rosa,

Souza,

Chiapinotto

et al. 2024

Braz. Dent. J.

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The aim of this study is to assess the presence of MDP at various stages of the bonding procedure, enhance the adhesive and mechanical behavior of cemented zirconia ceramics. Fifty ceramic slices (15 × 15 × 2 mm) and 48 discs (Ø= 10 mm, 1 mm thickness) were prepared, sintered, air-abraded with aluminum oxide, and allocated considering: 1) microshear bond strength (µSBS) between ceramic slices and luting agent cylinders (height= 1 mm, Ø= 1.2 mm); 2) fatigue behavior, ceramic discs paired and bonded onto fiber-epoxy resin discs (Ø= 10 mm, 2.5 mm thickness), and then mechanically tested (cyclic loading, starting at 400N, with increments of 100N, until failure). Four experimental groups were defined: Universal Primer (MDP primer+non-MDP resin cement - RC), Universal Adhesive (MDP adhesive+non-MDP RC), Cement (no primer+MDP RC), and Primer+Cement (MDP primer + MDP RC). For both outcomes, half of the specimens were tested after 24 hours, and half after aging. Bond strength data was analyzed via two-way ANOVA and Tukey post-hoc tests, while fatigue data went through Kaplan-Meier and Mantel-Cox post hoc tests. Regarding µSBS, aging impaired adhesion only for the Primer+Cement group (p<0.001). Universal Primer and Universal Adhesive showed the highest bond strength (p<0.05). Despite that, fatigue data indicates no significant differences (p>0.05). In conclusion, systems with MDP-containing components associated with non-MDP resin cement demonstrated enhanced adhesive capability for zirconia restorations. Nevertheless, no differences in terms of mechanical reinforcement were observed.

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Repair protocols for indirect monolithic restorations: a literature review

da Rosa,

Pilecco,

Soares

et al. 2024

PeerJ

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Despite the advancements in indirect monolithic restorations, technical complications may occur during function. To overcome this issues, intraoral repair using resin composite is a practical and low-cost procedure, being able to increase the restoration’s longevity. This review aimed to evaluate the need for repair and suggest a standardized repair protocol to the main indirect restorative materials. For this, studies were surveyed from PubMed with no language or date restriction, to investigate the scientific evidence of indirect monolithic restoration repair with direct resin composite. A classification to guide clinical decisions was made based on the FDI World Dental Federation criteria about defective indirect restorations considering esthetic and functional standards, along with the patient’s view, to decide when polishing, repairing or replacing a defective restoration. Based on 38 surveyed studies, different resin composite intraoral repair protocols, that included mechanical and chemical aspects, were defined depending on the substrate considering resin-based, glass-ceramic or zirconia restorations. The presented criteria and protocols were developed to guide the clinician’s decision-making process regarding defective indirect monolithic restorations, prolonging longevity and increasing clinical success.

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Adhesive application after ceramic surface treatment is detrimental to load-bearing capacity under fatigue of a lithium disilicate glass-ceramic

Cited by 3 publications

References 37 publications

Effect of hydrofluoric acid and self-etch ceramic primers on the flexural strength and fatigue resistance of glass ceramics: A systematic review and meta-analysis of in vitro studies

Effect of hydrofluoric acid and self-etch ceramic primers on the flexural strength and fatigue resistance of glass ceramics: A systematic review and meta-analysis of in vitro studies

A comprehensive study on MDP effects: Microshear bond strength and fatigue resistance in 4YSZ ceramics

Repair protocols for indirect monolithic restorations: a literature review

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