2018
DOI: 10.2341/17-126-l
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Effects of Manufacturing and Finishing Techniques of Feldspathic Ceramics on Surface Topography, Biofilm Formation, and Cell Viability for Human Gingival Fibroblasts

Abstract: Polishing resulted in the lowest values for surface roughness and higher SFE values. Polished ceramics showed less C albicans adherence while the adherence of Streptococci was greater than C albicans in all conditions.

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Cited by 17 publications
(36 citation statements)
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“…This finding may be due to both restorations were polished and it was assumed that polished restorations decrease the enamel wear more than the glazed one. This finding was in agreement with Contreras et al,2018 [39] who reported that polished feldspathic caused less surface roughness for enamel than the glazed. They reported the presence of waved surfaces with numerous irregularities and glaze accumulation in "islands" due to the non-homogeneity of the glaze material and presence gaps in the ceramic surface, while polished surfaces presented only fine scratches resulting from polishing.…”
Section: Discussionsupporting
confidence: 93%
“…This finding may be due to both restorations were polished and it was assumed that polished restorations decrease the enamel wear more than the glazed one. This finding was in agreement with Contreras et al,2018 [39] who reported that polished feldspathic caused less surface roughness for enamel than the glazed. They reported the presence of waved surfaces with numerous irregularities and glaze accumulation in "islands" due to the non-homogeneity of the glaze material and presence gaps in the ceramic surface, while polished surfaces presented only fine scratches resulting from polishing.…”
Section: Discussionsupporting
confidence: 93%
“…In vitro studies have been performed on bacterial adhesion to various ceramic materials [28,[39][40][41][42][43]. In the present study, we verified the adhesion of streptococcal species and the accumulation of complex biofilms, which are of critical importance to predict the effect of biofilms on the surface ceramics.…”
Section: Discussionsupporting
confidence: 66%
“…Studies have demonstrated a significant decrease in cell viability for computer-assisted design (CAD) block feldspathic ceramics [47]. Feldspathic ceramic glass and glass-ceramics based on the 3CaO•P 2 O 5 -SiO 2 -MgO system were considered not cytotoxic by MTT ((3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) [39] and neutral red analysis [48], respectively. Additionally, lithia-silica glass-ceramic was biocompatible, promoting cell adhesion and proliferation after 21 days [38].…”
Section: Discussionmentioning
confidence: 99%
“…As an example, the high glass content and the low content of the crystalline phase in veneering ceramics facilitate crack propagation on the surfaces under tensile stresses . In spite of that, glass‐ceramics with or not grain reinforcement are widely used for indirect restorations even in full contour applications . These ceramics show predominantly glassy content and are usually characterized by excellent esthetics due to the presence of silica (silicon oxide) and alumina (aluminum oxide).…”
Section: Introductionmentioning
confidence: 99%
“…They can be prepared using the heat‐pressing technique, the CAD/CAM (Computer‐aided design/ Computer‐aided manufacturing) facility and conventional stratification; presenting acceptable bond values to cement agents …”
Section: Introductionmentioning
confidence: 99%