2019
DOI: 10.11607/ijp.6286
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Influences of Screw Access Hole and Mechanical Cycling on the Fracture Load of Implant-Supported Crowns

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Cited by 8 publications
(15 citation statements)
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“…41 Similarly, Rosa et al recorded the lowest fracture load values for SRCR restorations on customized computeraided design (CAD) Ti abutments with self-adhesive cement. 42 In addition, for SRCR restorations fabricated with Ti, chipping fractures were more frequently recorded near the screw access channels than were catastrophic failures, which is similar to a previous study. 35,42 Hence, most studies concluded that cement-retained metal-ceramic restorations frequently have higher fracture load values than implant restorations with screw access channels.…”
Section: Influence Of Various Srcr Materials On Fracture Resistancesupporting
confidence: 87%
See 1 more Smart Citation
“…41 Similarly, Rosa et al recorded the lowest fracture load values for SRCR restorations on customized computeraided design (CAD) Ti abutments with self-adhesive cement. 42 In addition, for SRCR restorations fabricated with Ti, chipping fractures were more frequently recorded near the screw access channels than were catastrophic failures, which is similar to a previous study. 35,42 Hence, most studies concluded that cement-retained metal-ceramic restorations frequently have higher fracture load values than implant restorations with screw access channels.…”
Section: Influence Of Various Srcr Materials On Fracture Resistancesupporting
confidence: 87%
“…42 In addition, for SRCR restorations fabricated with Ti, chipping fractures were more frequently recorded near the screw access channels than were catastrophic failures, which is similar to a previous study. 35,42 Hence, most studies concluded that cement-retained metal-ceramic restorations frequently have higher fracture load values than implant restorations with screw access channels. [39][40][41][42] Screw access channels in SRCR restorations affect the structural continuity of the ceramic by reducing the metal-ceramic bond strength.…”
Section: Influence Of Various Srcr Materials On Fracture Resistancesupporting
confidence: 87%
“…To reproduce the clinical scenario, ceramic crowns were produced following the manufacturer's instructions: 3Y-TZP frameworks were milled using CAD/CAM system, veneered with porcelain, and crowns were cemented adhesively with MDP resin cement onto a dentin analog abutment 2 , 3 , 12 , 23 . The air abrasion protocol was developed according to the parameters used by laboratory technicians and dentists and recommended by the literature 7 .…”
Section: Discussionmentioning
confidence: 99%
“…The test was performed in a 37ºC distilled water bath using a universal testing machine (EMIC DL 2000 Brasil, São José dos Pinhais, PR, Brazil). The load was applied in the center of the occlusal surface using a spherical stainless steel piston of 6 mm in diameter, at a cross-head speed of 0.5 mm/min, until the fracture of the veneer porcelain or the zirconia framework 2 .…”
Section: Methodsmentioning
confidence: 99%
“…Some authors have raised concerns about decementation between the ceramic structure and Ti base because of the challenging adhesive nature of zirconia [22,23]. Another concern is that screw access channels in all-ceramic crowns may weaken the fracture resistance of the crowns [24]. Hence, this systematic review aims to evaluate the current evidence on survival rates as well as the technical, biological, and aesthetic outcomes of implant-supported single hybrid abutment crown restorations in partially edentulous patients.…”
Section: Introductionmentioning
confidence: 99%