Can ceramic veneer spark erosion and mechanical cycling affect the accuracy of milled complete-arch frameworks supported by 6 implants?

Silva, Letícia Del Rio; Velôso, Daniele Valente; Barbin, Thaís; Borges, Guilherme; Presotto, Anna Gabriella Camacho; Mesquita, Marcelo Ferraz

doi:10.1016/j.prosdent.2020.05.038

Cited by 2 publications

(26 citation statements)

References 38 publications

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“…Three full-text articles were excluded because two of them were systematic reviews [ 41 , 42 ] and one did not include any controls to which to compare the misfit of the Y-TZP prosthesis [ 43 ]. Hence, 11 articles were included for qualitative assessment and critical appraisal in this review [ 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ]. The study methodology is presented in Figure 1 .…”

Section: Resultsmentioning

confidence: 99%

“…All studies included in this review were in vitro laboratory studies that compared the fit or misfit of Y-TZP CAD-CAM implant-supported frameworks with other materials or fabrication methods [ 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ] ( Table 1 ). In six studies, Ti CAD-CAM frameworks were included in the comparison groups [ 28 , 31 , 36 , 37 , 38 ]. In one study, cast Ni-Cr frameworks were included as a comparison [ 29 ], and Cast Co-Cr frameworks were compared with CAD-CAM Y-TZP in four studies [ 30 , 31 , 32 , 38 ].…”

Section: Resultsmentioning

confidence: 99%

“…In six studies, Ti CAD-CAM frameworks were included in the comparison groups [ 28 , 31 , 36 , 37 , 38 ]. In one study, cast Ni-Cr frameworks were included as a comparison [ 29 ], and Cast Co-Cr frameworks were compared with CAD-CAM Y-TZP in four studies [ 30 , 31 , 32 , 38 ]. In two studies, CAD-CAM was also used to construct Co-Cr frameworks as comparison groups [ 30 , 32 ], and in one study, mechanically scanned CAD-CAM Y-TZP frameworks were also tested [ 31 ].…”

Section: Resultsmentioning

confidence: 99%

“…In a study by Abduo et al, the vertical misfits for Y-TZP and Ti CAD-CAM frameworks were comparable [ 28 ]. By contrast, in a study by de Rio Silva et al, Ti CAD-CAM frameworks had a lower misfit compared to Y-TZP frameworks [ 38 ]. A controversy exists among the studies reporting the misfit of Y-TZP CAD-CAM with other materials and techniques.…”

Section: Introductionmentioning

confidence: 91%

“…Moreover, due to its higher color stability and the biocompatibility and accuracy of CAD-CAM fabrication, Y-TZP presents an attractive alternative to metal alloys from the patients’ perspective [ 27 ]. Several in vitro studies have compared the fit (or misfit) of metal alloys and Ti and polymer frameworks with that of Y-TZP CAD-CAM frameworks [ 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ]. In a study by Abduo et al, the vertical misfits for Y-TZP and Ti CAD-CAM frameworks were comparable [ 28 ].…”

Section: Introductionmentioning

confidence: 99%

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Misfit of Implant-Supported Zirconia (Y-TZP) CAD-CAM Framework Compared to Non-Zirconia Frameworks: A Systematic Review

Alsayed

2022

Medicina

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Objective: The aim of the study was to systematically review the overall outcomes of studies comparing the misfit of yttria-stabilized zirconia (Y-TZP) CAD-CAM implant-supported frameworks with frameworks fabricated with other materials and techniques. Methods: An electronic literature search of English literature was performed using Google Scholar, Scopus, Web of Science, MEDLINE (OVID), EMBASE, and PubMed, using predetermined inclusion criteria. Specific terms were utilized in conducting a search from the inception of the respective database up to May 2022. After the search strategy was applied, the data were extracted and the results were analyzed. The focused question was: Is the misfit of the implant-supported zirconia CAD-CAM framework lower than that of non-Y-TZP implant-supported fixed restorations? Results: Eleven articles were included for qualitative assessment and critical appraisal in this review. In the included studies, Y-TZP CAD-CAM implant-supported frameworks were compared to Titanium (Ti), Ni-Cr, Co-Cr, PEEK and high-density polymer, and cast and CAD-CAM frameworks. The studies used scanning electron microscopy, one-screw tests, digital or optical microscopy, 3D virtual assessment, and replica techniques for analyzing the misfit of frameworks. Six studies showed comparable misfits among the Y-TZP CAD-CAM frameworks and the controls. Three studies showed higher misfits for the Y-TZP CAD-CAM frameworks, whereas two studies reported lower misfits for Y-TZP CAD-CAM implant frameworks compared to controls. Conclusion: Y-TZP CAD-CAM implant-supported frameworks have comparable misfits to other implant-supported frameworks. However, due to heterogeneity in the methodologies of the included studies, the overall numerical misfit of the frameworks assessed in the reviewed studies is debatable

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Misfit of Implant-Supported Zirconia (Y-TZP) CAD-CAM Framework Compared to Non-Zirconia Frameworks: A Systematic Review

Alsayed

2022

Medicina

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Photoelasticity for Stress Concentration Analysis in Dentistry and Medicine

Marín-Miranda¹,

Wintergerst

Moreno-Vargas

et al. 2022

Materials

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Complex stresses are created or applied as part of medical and dental treatments, which are linked to the achievement of treatment goals and favorable prognosis. Photoelasticity is an optical technique that can help observe and understand biomechanics, which is essential for planning, evaluation and treatment in health professions. The objective of this project was to review the existing information on the use of photoelasticity in medicine and dentistry and determine their purpose, the areas or treatments for which it was used, models used as well as to identify areas of opportunity for the application of the technique and the generation of new models. A literature review was carried out to identify publications in dentistry and medicine in which photoelasticity was used as an experimental method. The databases used were: Sciencedirect, PubMed, Scopus, Ovid, Springer, EBSCO, Wiley, Lilacs, Medigraphic Artemisa and SciELO. Duplicate and incomplete articles were eliminated, obtaining 84 articles published between 2000 and 2019 for analysis. In dentistry, ten subdisciplines were found in which photoelasticity was used; those related to implants for fixed prostheses were the most abundant. In medicine, orthopedic research predominates; and its application is not limited to hard tissues. No reports were found on the use of photoelastic models as a teaching aid in either medicine or dentistry. Photoelasticity has been widely used in the context of research where it has limitations due to the characteristics of the results provided by the technique, there is no evidence of use in the health area to exploit its application in learning biomechanics; on the other hand there is little development in models that faithfully represent the anatomy and characteristics of the different tissues of the human body, which opens the opportunity to take up the qualitative results offered by the technique to transpolate it to an application and clinical learning.

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Can ceramic veneer spark erosion and mechanical cycling affect the accuracy of milled complete-arch frameworks supported by 6 implants?

Cited by 2 publications

References 38 publications

Misfit of Implant-Supported Zirconia (Y-TZP) CAD-CAM Framework Compared to Non-Zirconia Frameworks: A Systematic Review

Misfit of Implant-Supported Zirconia (Y-TZP) CAD-CAM Framework Compared to Non-Zirconia Frameworks: A Systematic Review

Photoelasticity for Stress Concentration Analysis in Dentistry and Medicine

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