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Studying the Effect of Using Ultrasound Vibration on the Reproduction of Detail and Surface Hardness of Dental Stone Models

open access: yesNano Biomedicine and Engineering, 2022
BackgroundThe accuracy of surface production details in the dental models determines the success of the dental prosthesis in clinical application.AimThis in vitro study aims to compare between dental stone models produced using two types of techniques ...
Ali M. Aljafery   +5 more
doaj   +1 more source

The surface hardness of tablets

open access: yesJournal of Pharmacy and Pharmacology, 1970
AbstractA pneumatic micro-indentation apparatus has been used to determine the hardness of tablets of aspirin at various points on their diameter. All the tablets were 13 mm diameter; the compaction pressure and the particle size of the initial material were varied.
K, Ridgway, M E, Aulton, P H, Rosser
openaire   +2 more sources

The effect of glycerin on the surface hardness and roughness of nanofill composite

open access: yesConservative Dentistry Journal, 2019
Background: Present research studied the surface hardness and roughness dependence on polymerization. Polymerization of composites occurs through chain reaction that is induced by free radicals.
Diana Zakiyah   +2 more
semanticscholar   +1 more source

Hardness of Demineralized Enamel with the Application of Toothpaste Containing Green Tea Extract [PDF]

open access: yes, 2015
The aim of this study was to analyze the influence of toothpastes with or without green tea extract on the enamel hardness. Human teeth were used as specimens and surface enamel demineralization by soaking in 1% citric acid.
Indrani, D. J. (Decky)   +2 more
core   +2 more sources

Strontium ion can significantly decrease enamel demineralization and prevent the enamel surface hardness loss in acidic environment.

open access: yesJournal of the Formosan Medical Association = Taiwan yi zhi, 2018
BACKGROUND/PURPOSE Strontium ion may play a role similar to calcium ion in enamel remineralization. The aim of this study was to investigate the effect of strontium ion concentration gradient on the demineralization of enamel.
Yin-Lin Wang   +4 more
semanticscholar   +1 more source

Arc Quenching Effects on the Groove Shapes of Carbon Steel Tubes

open access: yesMetals
This study investigates the impact of arc-hardening parameters on a groove-shaped S45C steel tube, with a focus on surface hardness and microstructure.
Tran Minh The Uyen   +4 more
doaj   +1 more source

Effect of repeated microwave disinfection on the surface hardness of a heat-cured denture base resin: An In vitro study

open access: yesContemporary Clinical Dentistry, 2018
Statement of the Problem: Disinfection of complete dentures is very crucial to prevent cross-contamination and infection. Microwave disinfection is a quick, easy, and effective means to disinfect dentures. However, the effect of repeated microwave cycles
Priti Jaiswal   +3 more
doaj   +1 more source

Keasaman minuman ringan menurunkan kekerasan permukaan gigi (Acidity of soft drink decrease the surface hardness of tooth)

open access: yesDental Journal, 2005
Acidity can bring about tooth erosion. A laboratory experiment about soft drink acidity to the hardness of tooth surface was done. The purpose of the study was to investigate the surface hardness of the tooth surface after immersion in some kinds of soft
Edhie Arif Prasetyo
doaj   +1 more source

WEAR RESISTANCE OF HARD TURNED SURFACES

open access: yesCutting & Tools in Technological System, 2022
The quality of working surfaces plays an important role in automotive industrial components. One of the main characteristics of such surfaces is their wear resistance. In this study external cylindrical surfaces were analyzed. A Design of Experiment methodology was applied and hard turning experiments were carried out to analyze the effects of the ...
openaire   +3 more sources

Evaluation of Mechanical Properties and Microstructure for Laser Deposition Process and Welding Process [PDF]

open access: yes, 2006
Laser Aided Manufacturing Process (LAMP) can be applied to repair steel die/molds which are currently repaired using traditional welding process in industry.
Anand, Jambunathan   +5 more
core   +2 more sources

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