CAD/CAM or conventional ceramic restorations longevity: Systematic review and meta-analysis

Coelho, J.A.D.; Rodrigues, Stéfani Becker; Franken, P.E.C.; Celeste, Roger Keller; Leitune, Vicente Castelo Branco; Collares, Fabrício Mezzomo

doi:10.1016/j.dental.2018.08.060

Dental Materials

2018

DOI: 10.1016/j.dental.2018.08.060

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CAD/CAM or conventional ceramic restorations longevity: Systematic review and meta-analysis

J.A.D. Coelho

Stéfani Becker Rodrigues

P.E.C. Franken

et al.

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Cited by 2 publications

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“…Recent advancements in intraoral scanners and computer aided design and computer aided manufacturing (CAD/CAM) dentistry have facilitated the fabrication of restorations directly from an intraoral scan. [1][2][3] Although the trueness and precision of contemporary intraoral scanners have been reported, 4,[5][6][7] there is limited information in the literature on the influence, if any, of adjacent teeth or tooth preparation design on scan accuracy. Intraoral scanning can be limited by the mouth opening, size of scanning device, as well as adjacent oral structures.…”

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confidence: 99%

Influence of Tooth Preparation Design and Scan Angulations on the Accuracy of Two Intraoral Digital Scanners: An in Vitro Study Based on 3‐Dimensional Comparisons

Ammoun

Suprono

Goodacre

et al. 2020

Journal of Prosthodontics

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Purpose To evaluate the accuracy of two intraoral scanners (IOS) in terms of different preparation designs and scan angulation limitation due to the presence of adjacent teeth. Materials and Methods Eight different complete coverage (CC) and partial coverage (PC) tooth preparations were scanned by two IOS, the 3Shape TRIOS (TRI) and the 3M True Definition (TRU). All teeth preparations were scanned in the presence and absence of adjacent teeth. Four groups were established for each IOS; Group 1: PC preparations with adjacent teeth. Group 2: CC preparations with adjacent teeth. Group 3: PC preparations without adjacent teeth. Group 4: CC preparations without adjacent teeth. 3D analysis was performed to examine average absolute discrepancy (AAD) and maximum absolute discrepancy (MAD). A Two‐way ANOVA was performed followed by a post‐hoc Tukey's test HSD to evaluate the effect of adjacent teeth, preparation design, and the type of IOS used. Results For TRI, AAD for groups 1, 2, 3, and 4 were 20 ± 1.8 µm, 19.6 ± 2.4 µm, 15.5 ± 2.7 µm, and 12.9 ± 1.4 µm, respectively, whereas MAD for groups 1, 2, 3, and 4 were 109.7 ± 13.5 µm, 93.2 ± 28.9 µm, 85.6 ± 16.1 µm, and 66 ± 20.1 µm, respectively. For TRU IOS, AAD for groups 1, 2, 3, and 4 were 22.0 ± 3.6 µm, 17.9 ± 2 µm, 20 ± 5.9 µm, and 14.9 ± 1.7 µm, respectively, whereas the MAD for groups 1, 2, 3, and 4 were 151.4 ± 38.4 µm, 92.2 ± 17. µm, 92.6 ± 23.6 µm, and 71.4 ± 11.9 µm, respectively. Two‐way ANOVA showed statistically significant differences between the AAD and MAD of TRI and TRU (p < 0.001). There were also statistically significant differences for presence or absence of adjacent teeth (p < 0.001), and preparation design (p < 0.001). Conclusions PC preparation scans revealed lower accuracy than CC. The presence of adjacent teeth decreased the accuracy of both IOS. TRI gave higher accuracy than TRU for PC, but both IOS showed comparable accuracy for CC groups.

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mentioning

confidence: 99%

Influence of Tooth Preparation Design and Scan Angulations on the Accuracy of Two Intraoral Digital Scanners: An in Vitro Study Based on 3‐Dimensional Comparisons

Ammoun

Suprono

Goodacre

et al. 2020

Journal of Prosthodontics

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Optimizing the microstructure of a new machinable bioactive glass-ceramic

Daguano

Dantas

Soares

et al. 2021

Journal of the Mechanical Behavior of Biomedical Materials

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CAD/CAM or conventional ceramic restorations longevity: Systematic review and meta-analysis

Cited by 2 publications

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Influence of Tooth Preparation Design and Scan Angulations on the Accuracy of Two Intraoral Digital Scanners: An in Vitro Study Based on 3‐Dimensional Comparisons

Influence of Tooth Preparation Design and Scan Angulations on the Accuracy of Two Intraoral Digital Scanners: An in Vitro Study Based on 3‐Dimensional Comparisons

Optimizing the microstructure of a new machinable bioactive glass-ceramic

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