Fracture load and shear stress of prefabricated glass fiber posts

Autor: Helder Callegaro Velho, Paolo Baldissara, Jovito Adiel Skupien, Vinicius Felipe Wandscher

Publikováno v: Brazilian Journal of Oral Sciences, Vol 18 (2019)

Aim: This study evaluated the fracture load and pattern failure of different prefabricated glass fiber posts (GFPs) of the same diameter. Methods: Seventy-eight (n=13 for six groups) GFPs of 1.6 mm coronal diameter of different brands were evaluated�

Externí odkaz: https://doaj.org/article/6740a0adfcd243d5b83dd9458bf560a9

Weak adhesion between ceramic and resin cement impairs the load-bearing capacity under fatigue of lithium disilicate glass-ceramic crowns

Autor: Lucas Saldanha da Rosa, Helder Callegaro Velho, João Paulo Mendes Tribst, Luiz Felipe Valandro, Cornelis Johannes Kleverlaan, Gabriel Kalil Rocha Pereira

Publikováno v: da Rosa, L S, Velho, H C, Tribst, J P M, Valandro, L F, Kleverlaan, C J & Pereira, G K R 2023, ' Weak adhesion between ceramic and resin cement impairs the load-bearing capacity under fatigue of lithium disilicate glass-ceramic crowns ', Journal of the Mechanical Behavior of Biomedical Materials, vol. 138, 105604, pp. 1-10 . https://doi.org/10.1016/j.jmbbm.2022.105604
Journal of the Mechanical Behavior of Biomedical Materials, 138:105604, 1-10. Elsevier BV

Objective: To evaluate the fatigue behavior of lithium disilicate crowns with a simplified anatomy against progressive cement/ceramic debonding scenarios. Materials and methods: Lithium disilicate crowns were fabricated via CAD/CAM and luted onto a d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a28f768f4f3d84a9da38f17332f75b93
https://pubmed.ncbi.nlm.nih.gov/36509013

Ceramic surface conditioning, resin cement viscosity, and aging relationships affect the load-bearing capacity under fatigue of bonded glass-ceramics

Autor: Kiara Serafini Dapieve, Helder Callegaro Velho, Lucas Saldanha da Rosa, Jordana Pavanelo Pivetta, Fernanda Cocco Maidana, Andressa Borin Venturini, Cornelis Johannes Kleverlaan, Gabriel Kalil Rocha Pereira, Luiz Felipe Valandro

Publikováno v: Dapieve, K S, Velho, H C, da Rosa, L S, Pivetta, J P, Maidana, F C, Venturini, A B, Kleverlaan, C J, Pereira, G K R & Valandro, L F 2023, ' Ceramic surface conditioning, resin cement viscosity, and aging relationships affect the load-bearing capacity under fatigue of bonded glass-ceramics ', Journal of the Mechanical Behavior of Biomedical Materials, vol. 139, 105667, pp. 1-10 . https://doi.org/10.1016/j.jmbbm.2023.105667
Journal of the Mechanical Behavior of Biomedical Materials, 139:105667, 1-10. Elsevier BV

This study aimed to evaluate the influence of ceramic surface treatments, resin cement viscosities, and storage regimens on the fatigue performance of bonded glass-ceramics (lithium disilicate, LD; feldspathic, FEL). Ceramic discs (Ø = 10 mm; thickn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ba6fb46814d54a2e0435810bd746d9c
https://doi.org/10.1016/j.jmbbm.2023.105667

Effects of material and piston diameter on the fatigue behavior, failure mode, and stress distribution of feldspathic ceramic simplified restorations

Autor: Helder Callegaro Velho, Kiara Serafini Dapieve, Alexandre Luiz Souto Borges, Gabriel Kalil Rocha Pereira, Andressa Borin Venturini, Luiz Felipe Valandro

Publikováno v: Journal of the Mechanical Behavior of Biomedical Materials. 134:105398

This study evaluated the influence of the piston material (glass fiber-reinforced epoxy resin or stainless steel) and the piston tip diameter (6 or 40 mm) on the fatigue mechanical behavior, failure mode, and stress distribution of feldspathic cerami

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dd3c708d8a1f8c3dedd0e6b266b9f5a
https://doi.org/10.1016/j.jmbbm.2022.105398

Fatigue failure load of prefabricated fiber reinforced post: The influence of the post diameter and fatigue test method

Autor: Jovito Adiel Skupien, Luís Felipe Guilardi, Gabriel Kalil Rocha Pereira, Helder Callegaro Velho, Catina Prochnow, Luiz Felipe Valandro, Vinícius Felipe Wandscher

Publikováno v: International Journal of Adhesion and Adhesives. 108:102864

The present study analyzed the fatigue performance of prefabricated fiber reinforced composite posts (FRC post) with different diameters by means of two different fatigue testing methods. A total of 69 FRC double-tapered posts, presenting 20 mm in le

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f25f338496abf95239dc9448874d040f
https://doi.org/10.1016/j.ijadhadh.2021.102864