Results 51 to 60 of about 91,863 (168)

Surface roughness, wear and thermal conductivity of ternary electroless Ni–Ag–P coating on copper substrate

Materials Research Express, 2020
Thermal testing tool used in electronic industries requires a high thermal conductivity and wear resistant coating to ensure efficient thermal transfer over some period of testing cycles.
Nur Ariffah M S, Nurulakmal M S, Anasyida A S, Shiu E K   +3 more
doaj   +1 more source

Evaluation of physical-mechanical properties of self-adhesive versus conventional resin cements

Brazilian Journal of Oral Sciences, 2020
Aim: The purpose of this study was to compare the microhardness, diametral tensile strength, compressive strength and the rheological properties of self-adhesive versus conventional resin cements.
Maria Helena Rossy Borges, Carmen Gilda Tavares Dias , Cristiane de Melo Alencar, Cecy Martins Silva, Renata Antunes Esteves   +4 more
doaj   +1 more source

Evaluation of depth of cure and knoop hardness in a dental composite, photo-activated using different methods

Journal of Conservative Dentistry, 2008
The study aimed at evaluating the depth of cure and knoop hardness of a microfine-hybrid composite resin that was photo-activated using different methods.
M. Hegde, P. Hegde, Babita Malhan
semanticscholar   +1 more source

Effect of veneering materials and curing methods on resin cement knoop hardness.

Brazilian Dental Journal, 2007
This study evaluated the Knoop hardness of Enforce resin cement activated by the either chemical/physical or physical mode, and light cured directly and through ceramic (HeraCeram) or composite resin (Artglass).
R. Tango, M. Sinhoreti, A. Correr, L. Correr-Sobrinho, R. Consani   +4 more
semanticscholar   +1 more source

In vitro re-hardening of artificial enamel caries lesions using enamel matrix proteins or self-assembling peptides

Journal of Applied Oral Science, 2016
Objectives To assess the re-hardening potential of enamel matrix derivatives (EMD) and self-assembling peptides in vitro, hypothesizing that these materials may increase the mineralization of artificial carious lesions and improve hardness profiles ...
Patrick Schmidlin, Katja Zobrist, Thomas Attin, Florian Wegehaupt   +3 more
doaj   +1 more source

Determinación de la microdureza del esmalte en lesiones de manchas blancas tratadas con resinas infiltrantes Determination of enamel microhardness in white spot lesions treated with infiltrating resins

Revista de la Asociación Odontológica Argentina
Objetivo: Determinar in vitro si la microdureza superficial Knoop de las manchas blancas mejora con la infiltración de resinas de baja viscosidad en comparación con la microdureza del esmalte sano.
María Eugenia Alejandra Barrionuevo, Verónica Lucía Ventrera, Walther D. Zavala   +2 more
doaj   +1 more source

Test methods used in the evaluation of the structure features of the restorative materials: a literature review

Journal of Materials Research and Technology, 2020
The prosthetic materials used in dentistry can generally be classified into different categories as measurement, restorative, cements and soft liner materials.
Nuran Dinçkal Yanıkoğlu, Rüştü Ersoy Sakarya   +1 more
doaj  

Long-term bond strength, degree of conversion and resistance to degradation of a HEMA-free model adhesive

Brazilian Journal of Oral Sciences, 2014
Aim: To evaluate the long-term bond strength, degree of conversion and resistance to degradation in ethanol of HEMA-containing and HEMA-free model adhesive resins of a three-step etch-andrinse adhesive system. Methods: The superficial dentin of 16 bovine
Fabrício Mezzomo Collares, Vicente Castelo Branco Leitune, Fernando Freitas Portella, Fabrício Aulo Ogliari, Susana Maria Werner Samuel   +4 more
doaj   +1 more source

The Thermal Dependence of the Knoop Hardness of Coke

, 1967
As coke is a heterogeneous, porous and fissured solid, the adequate information concerning the mechanical properties of coke itself has not been obtained in spite of the necessity to be clarified. Such practical measures as the shatter test and drum test
M. Shiraishi, Jun Kumai, H. Kimura, Y. Yoshida   +3 more
semanticscholar   +1 more source

Impact of light-curing distance on the effectiveness of cure of bulk-fill resin-based composites

Saudi Dental Journal, 2021
Objective: To investigate the effect of light-curing distance on the effectiveness of cure (EC) of bulk-fill resin-based composites (RBCs). Materials and methods: Two bulk-fill RBCs (a Tetric N-Ceram Bulk Fill (TN) and a Filtek Bulk Fill (FK)) are ...
Rana Abdelbaset Diab, Adrian Ujin Yap, Maria Angela Garcia Gonzalez, Noor Azlin Yahya   +3 more
doaj