Repolishing in situ eroded CAD/CAM restorative materials and human enamel

Yang, Hui; Chen, Run; Attin, Thomas; Cheng, Hui; Yu, Hao

doi:10.1016/j.jmbbm.2020.104125

Cited by 8 publications

(1 citation statement)

References 54 publications

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“…Additionally, cola drink was usually selected as the extrinsic tested acid due to its popularity and high erosive potential. 58 Moreover, since the erosive potential of drinks is related to the liquid temperature, 59 future in vitro studies are recommended to be carried out at the temperature at which the acidic drinks are usually consumed. Considering that various erosion durations were employed in the literature, no subgroup meta-analysis can be performed for erosion durations, which can be considered a limitation.…”

Section: Discussionmentioning

confidence: 99%

Effect of acidic solutions on the surface roughness and microhardness of indirect restorative materials: A systematic review and meta-analysis

Ye¹,

Yang²,

Attin³

et al. 2022

Int J Prosthodont

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Literature reviewEffect of acidic solutions on the surface roughness and microhardness of indirect restorative materials: A systematic review and meta-analysis of in vivo and in vitro studies SUMMARY Purpose: Indirect restorative materials have been applied in a wide range of applications for the management of erosive tooth wear. However, whether acidic solutions affect the surface properties of indirect restorative materials is unclear. This systematic review and meta-analysis aimed to evaluate the effects of acidic solutions on the surface roughness (SR) and surface microhardness (SMH) of indirect restorative materials by analyzing in vivo and in vitro studies. Materials and methods:The studies comparing the SR and SMH of indirect restorative materials after erosion were included in the meta-analysis. Meta-analyses were conducted with a random-effects model at a significance level of P<0.05 using Review 2 Manager Software (the Cochrane Collaboration, Oxford, UK). The literature search was conducted using Web of Science, MEDLINE (PubMed), and the Cochrane Library with no publication year limits.Results: Of the 1097 potentially relevant studies, 32 full texts were assessed for eligibility. A total of 16 articles were included in the systematic review, and 15 were included in the meta-analyses. The kappa scores between the two reviewers were 0.80.The effects of erosion on ceramics, indirect composites and hybrid ceramics were evaluated by immersing in or rinsing with acidic solutions (e.g., HCl, cola drinks, and juices).

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Section: Discussionmentioning

confidence: 99%

Effect of acidic solutions on the surface roughness and microhardness of indirect restorative materials: A systematic review and meta-analysis

Ye¹,

Yang²,

Attin³

et al. 2022

Int J Prosthodont

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Effects of protease inhibitors on dentin erosion: an in situ study

et al. 2022

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Gastric acid challenge of lithium disilicate–reinforced glass–ceramics and zirconia-reinforced lithium silicate glass–ceramic after polishing and glazing—impact on surface properties

Hjerppe,

Shahramian,

Rosqvist

et al. 2023

Clin Oral Invest

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Objectives To investigate the impact of simulated gastric acid on the surface properties of lithium disilicate–reinforced glass–ceramics and zirconia-reinforced lithium silicate glass–ceramic after certain polishing and glazing procedures. Materials and methods Four different types of square-shaped specimens (10 × 10 × 2 mm3, n = 13) were manufactured: lithium disilicate–reinforced glass–ceramic milled and polished (LDS-P); milled, polished, and glazed (LDS-PG); milled, glazed, and no polishing (LDS-G); and milled and polished zirconia-reinforced lithium silicate glass–ceramic (ZR-LS). Specimens were immersed in hydrochloride acid (HCl 0.06 M, pH 1.2) to simulate gastric acid irritation and stored in the acid for 96 h in 37 °C. Specimen weight, surface gloss, Vickers surface microhardness and surface roughness (Ra, Rq, with optical profilometer), and surface roughness on nanometer level (Sq, Sal, Sq/Sal, Sdr, Sds with atomic force microscope) were measured before and after the acid immersion. Results ZR-LS specimens lost significantly more weight after acid immersion (p = 0.001), also surface microhardness of ZR-LS was significantly reduced (p = 0.001). LDS-G and LDS-PG showed significantly lower surface roughness (Sa, Sq) values compared to LDS-P before (p ≤ 0.99) and after (p ≤ 0.99) acid immersion and ZR-LS after acid immersion (p ≤ 0.99). Conclusions Gastric acid challenge affects the surface properties of lithium disilicate–reinforced glass–ceramic and zirconia-reinforced lithium silicate glass–ceramic. Glazing layer provides lower surface roughness, and the glazed surface tends to smoothen after the gastric acid challenge. Clinical relevance Surface finish of lithium disilicate–reinforced glass–ceramic and zirconia-reinforced lithium silicate glass–ceramic has a clear impact on material’s surface properties. Gastric acidic challenge changes surface properties but glazing seems to function as a protective barrier. Nevertheless, also glazing tends to smoothen after heavy gastric acid challenge. Glazing can be highly recommended to all glass–ceramic restorations but especially in patients with gastroesophageal reflux disease (GERD) and eating disorders like bulimia nervosa.

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Repolishing in situ eroded CAD/CAM restorative materials and human enamel

Cited by 8 publications

References 54 publications

Effect of acidic solutions on the surface roughness and microhardness of indirect restorative materials: A systematic review and meta-analysis

Effect of acidic solutions on the surface roughness and microhardness of indirect restorative materials: A systematic review and meta-analysis

Effects of protease inhibitors on dentin erosion: an in situ study

Gastric acid challenge of lithium disilicate–reinforced glass–ceramics and zirconia-reinforced lithium silicate glass–ceramic after polishing and glazing—impact on surface properties

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