Results 21 to 30 of about 52,550 (264)

Comparative assessment of the long-term effects of 5% sodium fluoride varnishes with and without tricalcium phosphate on enamel microhardness of primary teeth: An in vitro study

open access: yesDental Research Journal
Background: Dental caries is among chronic childhood diseases. Fluoride varnish application is a suggested modality, which can reinforce the enamel and decrease the risk of caries.
Mohammadali Rahimi Zarchi   +3 more
doaj   +1 more source

QUANTITATIVE EVALUATION OF EXPERIMENTAL BONE REGENERATION USING INDENTATION TESTS [PDF]

open access: yesActa Ortopédica Brasileira, 2017
Objectives: To determine whether the macroindentation test can be applied to quantitatively assess bone regeneration. Methods: A 3.2 mm diameter transverse monocortical defect was created on the medial aspect of both proximal metaphyses of the tibia ...
Valéria Trombini Vidotto   +3 more
doaj   +1 more source

Testing for separability is hard

open access: yesCoRR, 2014
<p>Submitted - <a href="/records/ar6kc-xpr48/files/1401.4499.pdf?download=1">1401.4499.pdf</a></p>
openaire   +2 more sources

Effect of incorporating bioactive glass filler in resin infiltrant on the microhardness of demineralized enamel [PDF]

open access: yesJournal of Dental Materials and Techniques
Objective: This study aimed to evaluate the effect of incorporating different concentrations of 45S5 bioactive glass (BAG) as a filler into a resin infiltrant on the microhardness of demineralized enamel.Methods: Forty bovine enamel samples were ...
Hila Hajizadeh   +4 more
doaj   +1 more source

Evaluation of Mechanical Characteristics of Tribofilm Formed on the Surface of Metal Material Due to Friction under Lubrication with Automatic Transmission Fluid

open access: yesTribology Online, 2021
In this study, nano-scratch tests were conducted using atomic force microscope (AFM) to clarify the hardness of a tribofilm derived from an additive (Fluid A or Fluid B in automatic-transmission fluid) formed on an SKS3 cold work tool steel substrate ...
Takayuki Tokoroyama   +8 more
doaj   +1 more source

Testing for Hardness [PDF]

open access: yesScientific American, 1908
n ...
openaire   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

Avaliação da dureza superficial de cimentos de ionômero de vidro reforçados por nanotubos de carbono

open access: yesRevista de Odontologia da UNESP
Introdução Os cimentos de ionômero de vidro (CIV) são materiais com baixa resistência à tração e ao cisalhamento, mostrando-se, portanto, contraindicados para áreas sujeitas às grandes cargas oclusais.
Mayra Manoella Perez Reis dos Santos   +3 more
doaj   +1 more source

Hardness Testing [PDF]

open access: yesProceedings of the Institution of Mechanical Engineers, 1920
n ...
Primrose, H. S., Primrose, J. S. Glen
openaire   +1 more source

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

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