Surface Evaluation of Polishing Techniques for New Resilient <scp>CAD</scp>/<scp>CAM</scp> Restorative Materials

Fasbinder, Dennis J.; Neiva, Gisele F.

doi:10.1111/jerd.12174

Cited by 83 publications

(87 citation statements)

References 18 publications

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“…For most ceramic materials, finishing or contouring involves adjustments required to achieve the final shape of the restoration, generally using ultrafine diamonds and/or coarse rubber abrasives. Polishing is required to achieve the final surface smoothness of the restoration with minimal changes to surface shape [9]. …”

Section: Discussionmentioning

confidence: 99%

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Surface Characteristics and Biofilm Development on Selected Dental Ceramic Materials

Kim

Loch

Waddell

et al. 2017

International Journal of Dentistry

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Background Intraoral adjustment and polishing of dental ceramics often affect their surface characteristics, promoting increased roughness and consequent biofilm growth. This study correlated surface roughness to biofilm development with four commercially available ceramic materials. Methods Four ceramic materials (Vita Enamic®, Lava™ Ultimate, Vitablocs Mark II, and Wieland Reflex®) were prepared as per manufacturer instructions. Seventeen specimens of each material were adjusted and polished to simulate clinical intraoral procedures and another seventeen remained unaltered. Specimens were analysed by SEM imaging, confocal microscopy, and crystal violet assay. Results SEM images showed more irregular surface topography in adjusted specimens than their respective controls. Surface roughness (Ra) values were greater in all materials following adjustments. All adjusted materials with the exception of Vitablocs Mark II promoted significantly greater biofilm growth relative to controls. Conclusion Simulated intraoral polishing methods resulted in greater surface roughness and increased biofilm accumulation.

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Section: Discussionmentioning

confidence: 99%

“…Among glass-based systems or feldspathic porcelains are Vitablocs Mark II and Wieland Reflex. Vitablocs Mark II (Vita, Germany) is a fine-grained, homogeneous feldspathic porcelain with an average particle size of 4 μ m. Wieland Reflex is a feldspathic porcelain which contains homogenous nanoleucite crystals [7–9]. …”

Section: Introductionmentioning

confidence: 99%

Surface Characteristics and Biofilm Development on Selected Dental Ceramic Materials

Kim

Loch

Waddell

et al. 2017

International Journal of Dentistry

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“…Moreover, Motro et al14 found that glazed ceramic materials have shown less staining than mechanically polished materials. However, it is not possible to glaze the resin-ceramic hybrid materials under heat treatment because of their resin content 15. For this reason, other surface finishing procedures gain importance for resin-ceramic hybrid materials to recreate a surface similar to glazed ceramic surface.…”

Section: Introductionmentioning

confidence: 99%

The effects of different polishing techniques on the staining resistance of CAD/CAM resin-ceramics

Sağsöz

Demirci

et al. 2016

J Adv Prosthodont

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PURPOSEThe purposes of this study were to evaluate the staining resistance of CAD/CAM resin-ceramics polished with different techniques and to determine the effectiveness of the polishing techniques on resin-ceramics, comparing it with that of a glazed glass-ceramic.MATERIALS AND METHODSFour different CAD/CAM ceramics (feldspathic ceramic: C-CEREC Blocs, (SIRONA) and three resin-ceramics: L-Lava Ultimate, (3M ESPE), E-Enamic, (VITA) and CS-CeraSmart, (GC)) and one light cure composite resin: ME-Clearfil Majesty Esthetic (Kuraray) were used. Only C samples were glazed (gl). Other restorations were divided into four groups according to the polishing technique: nonpolished control group (c), a group polished with light cure liquid polish (Biscover LV BISCO) (bb), a group polished with ceramic polishing kit (Diapol, EVE) (cd), and a group polished with composite polishing kit (Clearfil Twist Dia, Kuraray) (kc). Glazed C samples and the polished samples were further divided into four subgroups and immersed into different solutions: distilled water, tea, coffee, and fermented black carrot juice. Eight samples (8 × 8 × 1 mm) were prepared for each subgroup. According to CIELab system, four color measurements were made: before immersion, immersion after 1 day, after 1 week, and after 1 month. Data were analyzed with repeated measures of ANOVA (α=.05).RESULTSThe highest staining resistance was found in gl samples. There was no difference among gl, kc and cd (P>.05). Staining resistance of gl was significantly higher than that of bb (P<.05). Staining resistances of E and CS were significantly higher than those of L and ME (P<.05).CONCLUSIONCeramic and composite polishing kits can be used for resin ceramics as a counterpart of glazing procedure used for full ceramic materials. Liquid polish has limited indications for resin ceramics.

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“…Manufacturers have been developing new materials for CAD/CAM systems in order to combine the advantages of ceramic materials (durability, color stability) with the ones of composites (improved flexural strength and low abrasiveness) [5,8]. Recent materials like Vita Enamic (Vita, Bad Sackingen, Germany) represent such great improvements.…”

mentioning

confidence: 99%

“…One network is a glass ceramic material and the other a polymer (methacrylate for dental applications), with a proportion of 84% and 16 % respectively (by weight). Material indications are for long term restorations in the anterior and lateral areas for full coverage crowns, veneers, inlay and onlays [5,7,8].…”

mentioning

confidence: 99%

Evaluation of Bleaching on a CAD/CAM Hybrid Ceramic Material

Culic¹,

Gasparik²,

Varvara³

et al. 2017

Studia UBB Chemia

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Surface Evaluation of Polishing Techniques for New Resilient CAD/CAM Restorative Materials

Cited by 83 publications

References 18 publications

Surface Characteristics and Biofilm Development on Selected Dental Ceramic Materials

Surface Characteristics and Biofilm Development on Selected Dental Ceramic Materials

The effects of different polishing techniques on the staining resistance of CAD/CAM resin-ceramics

Evaluation of Bleaching on a CAD/CAM Hybrid Ceramic Material

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