Results 161 to 170 of about 29,206 (304)

Comparison of surface treatment protocols for a 3D‐printable resin for definitive crowns: Effects on surface roughness and bonding performance

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose This study aimed to compare the effects of surface treatment protocols on the surface roughness and shear bond strength (SBS) of a three‐dimensional (3D)‐printable resin for definitive crowns. Materials and Methods A 3D‐printable resin for definitive crowns (Saremco Print Crowntec) was used to produce 168 specimens (10 × 10 × 2 mm3 ...
Engin Sacu   +5 more
wiley   +1 more source

Effectiveness of plasma‐enhanced chemical vapor film in surface treatments of resin‐matrix ceramics to preserve optical characteristics after different aging processes

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose The aim of this study was to evaluate the surface roughness and optical characteristics of three ceramics with resin matrix for computer‐aided design and computer‐aided manufacturing, after different surface treatment protocols associated or not with the application of film deposition by plasma‐enhanced chemical vapor deposition (PECVD)
Victor Alves Nascimento   +6 more
wiley   +1 more source

Does treatment‐induced surface roughness of 3 mol% yttria‐stabilized tetragonal zirconia polycrystals influence the wear of opposing restorative materials? An in vitro study

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose This study aimed to investigate whether different surface treatments applied to 3 mol% yttria‐stabilized tetragonal zirconia polycrystals (3Y‐TZP), with comparable mean roughness (Ra) values, result in comparable values of additional surface roughness parameters, and to evaluate the influence of zirconia surface topography on vertical ...
Aline Stieper   +4 more
wiley   +1 more source

EFFECTS OF SOME MACHINING VARIABLES IN LATHE FACING USING A PROFILOMETER AND SPECKLE CONTRAST METHODS TO MEASURE SURFACE ROUGHNESS

open access: yes, 1983
A review of literature indicated that the technique that has found general usage and widespread acceptance for the measurement of surface roughness is the use of a profilometer. This instrument has been found to have at least two limitations in measuring
BOUBEKRI, NOURREDINE
core  

Effect of different cariostatic agents on the surface roughness and color change of CAD–CAM‐milled restorative materials: An in vitro comparative study

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose To evaluate the influence of different cariostatic agents: 38% silver diamine fluoride (SDF), 38% SDF + potassium iodide (RS), and nano silver fluoride (NSF) compared with distilled water (control), on the surface roughness and color change of CAD–CAM‐milled restorative materials: nanoceramic resin (NR), feldspathic ceramic (FC), and ...
Vitória Mendes Souza e Melo   +6 more
wiley   +1 more source

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