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Microhardness of resin cements after light activation through various translucencies of monolithic zirconia

Pechteewang S, Salimee P

PURPOSE This study aimed to investigate the Vickers Hardness Number (VHN) of light- and dual cured resin cements cured through monolithic zirconia specimens (VITA YZ) of various translucencies: translucent (T);...
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Correlation between microhardness and wear resistance of dental alloys against monolithic zirconia

Cha MS, Lee SW, Huh YH, Cho LR, Park CJ

Purpose: The aim of this study is to compare the hardness according to the conditions of metal alloys. Moreover, the correlation between the cast crown hardness before and after wear...
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Effect of coloring liquids on biaxial flexural strength of monolithic zirconia

Jung C, Kim MJ, Kim JH

Purpose. The aim of this study was to evaluate biaxial flexural strength and hardness of colored monolithic zirconia after dipping in different time intervals of coloring solution. Materials and Methods....
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Remineralization effect of experimental fluoride varnish with nano-sized hydroxyapatite and tricalcium phosphate

Shin Sj, Son JL, Oh S, Bae JM

The purpose of this study was to evaluate the remineralization effect of experimental fluoride varnish mixed with nano-tricalcium phosphate (TCP) and nano-hydroxyapatite (HA) on bovine teeth under demineralization and remineralization...
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Comparison of Microhardness and Compressive Strength of Alkasite and Conventional Restorative Materials

Lee K, Kim J, Shin J, Han M

The aim of this study was to compare compressive strength and microhardness of recently introduced alkasite restorative materials with glass ionomer cement and flowable composite resin. For each material, 20...
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Influence of modeling agents on the surface properties of an esthetic nano-hybrid composite

Kutuk ZB, Erden E, Aksahin DL, Durak ZE, Dulda AC

Objective: The aim of this study was to evaluate the influence of different modeling agents on the surface microhardness (Vickers hardness number; VHN), roughness (Ra), and color change (ΔE) of...
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Glenohumeral joint capsular tissue tension loading correlates moderately with shear wave elastography: a cadaveric investigation

Nichols CW, Brismée JM, Hooper TL, Bertrand-Grenier A, Gilbert KK, St-Pierre , Kapila J, Sobczak S

Purpose: The purpose of this study was to investigate changes in the mechanical properties of capsular tissue using shear wave elastography (SWE) and a durometer under various tensile loads, and...
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Effect of dental bleaching on the microhardness and surface roughness of sealed composite resins

Fernandes , Strazzi-Sahyon HB, Suzuki TY, Briso AL, dos Santos PH

OBJECTIVES: The aim of this in vitro study was to evaluate the microhardness and surface roughness of composite resins before and after tooth bleaching procedures. MATERIALS AND METHODS: Sixty specimens were...
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Effect of sintering condition and aging on hardness and optical properties of monolithic zirconia

Kong MC, Park MG

The purpose of this study was to examine the effect of hardness and optical properties of dental zirconia in accordance to sintering condition and aging. 10.0 mm×10.0 mm×1.5 mm zirconia...
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Effect of Nano-filled Protective Coating on Microhardness and Wear Resistance of Glass-ionomer Cements

Ryu W, Park H, Lee J, Seo H

The purpose of this study was to investigate the effect of adding a protective coating on the microhardness and wear resistance of glass ionomer cements (GICs). Specimens were prepared from GIC...
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Physical characteristics of ceramic/glass-polymer based CAD/CAM materials: Effect of finishing and polishing techniques

Ekici MA, Egilmez F, Cekic-Nagas I, Ergun G

PURPOSE: The aim of this study was to compare the effect of different finishing and polishing techniques on water absorption, water solubility, and microhardness of ceramic or glass-polymer based computer-aided...
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Comparison of color stability, mechanical and chemical properties according to temporary crown resin type

Yang SY, Kwon JY, No JS, Park SY, Park HE, Baek EJ, Im SY, Kwon JS

Objective of this study was to compare the color stability, mechanical and chemical properties of three different types of temporary crown resins. Commercially available powder-liquid (Group PL), light-cured (Group LC)...
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Effects of Titratable Acidity and Organic Acids on Enamel Erosion In Vitro

Kim EJ, Jin BH

BACKGROUND: Erosion is a gradual process that occurs fairly quickly, and the full extent of the erosive effects of acidic beverages is not yet clear. The present study aimed to...
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Finishing and polishing effects of multiblade burs on the surface texture of 5 resin composites: microhardness and roughness testing

Ehrmann E, Medioni E, Brulat-Bouchard N

OBJECTIVES: The aim of this in vitro study was to test the effect of 2 finishing–polishing sequences (QB, combining a 12/15-fluted finishing bur and an EVO-Light polisher; QWB, adding a...
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Effect of Commercial Effervescent Vitamin Tablets on Bovine Enamel

Jeong MJ, Lee MH, Jeong SJ, Kim SJ, Ko MJ, Sim HW, Lee JY, Im AJ, Lim DS

BACKGROUND: In this study, four types of effervescent vitamins marketed in Korea were analyzed for their acidity and vitamin content. For this purpose, bovine teeth were immersed in vitamin, and...
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Evaluation of the Changes in Polymerization of TheraCal LC with Various Light-curing Time and Distance

Bae S, Lee J, Ra J

The purpose of this study was to evaluate polymerization of TheraCal LC, one of the tricalcium silicate cements. To measure the Vickers hardness number (VHN), the specimens were cured at...
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The effect of preheating resin composites on surface hardness: a systematic review and meta-analysis

Elkaffas A, Eltoukhy R, Elnegoly S, Mahmoud SH

OBJECTIVES: This paper presents a systematic review and meta-analysis of the effect of preheating on the hardness of nanofilled, nanoceramic, nanohybrid, and microhybrid resin composites. MATERIALS AND METHODS: An electronic search...
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Light transmittance of CAD/CAM ceramics with different shades and thicknesses and microhardness of the underlying light-cured resin cement

Jafari Z, Alaghehmand H, Samani Y, Mahdian M, Khafri S

OBJECTIVES: The aim of this in vitro study was to evaluate the effects of the thickness and shade of 3 types of computer-aided design/computer-aided manufacturing (CAD/CAM) materials. MATERIALS AND METHODS: A...
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The effect of thermocycling on the degree of conversion and mechanical properties of a microhybrid dental resin composite

Ghavami-Lahiji M, Firouzmanesh M, Bagheri H, Jafarzadeh Kashi TS, Razazpour , Behroozibakhsh M

OBJECTIVE: The purpose of this study was to investigate the degree of conversion (DC) and mechanical properties of a microhybrid Filtek Z250 (3M ESPE) resin composite after aging. METHOD: The specimens...
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Does quality of drinking water matter in kidney stone disease: A study in West Bengal, India

Mitra P, Pal DK, Das M

PURPOSE: The combined interaction of epidemiology, environmental exposure, dietary habits, and genetic factors causes kidney stone disease (KSD), a common public health problem worldwide. Because a high water intake (>3...
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