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Effects of aging and HEMA content on the translucency, fluorescence, and opalescence properties of experimental HEMA-added glass ionomers
Glass ionomer Optical stability Aging
2010/11/26
Changes in the translucency, fluorescence, and opalescence of experimental 10–50% 2-hydroxyethyl methacrylate (HEMA)-added glass ionomers (HAGIs) after 5,000 cycles of thermocycling were determined an...
Color stability after accelerated aging of two silicones, pigmented or not,for use in facial prostheses
Maxillofacial prosthesis Silicone elastomers Pigmentation
2009/10/16
One of the greatest challenges faced by buccomaxillofacial prosthetists is to reproduce the patient's exact skin color and provide adequate esthetics. To reach this objective, professionals must use m...
Effects of mechanical and thermal aging on microleakage of different fissure sealants
Mechanical Loading Thermal Cycling Fissure Sealants
2009/9/14
The purpose of this study was to examine the microleakage of three different fissure sealants after they were aged by mechanical loading and thermocycling in vitro. To this end, a bonding agent (Prime...
Effect of Various Surface Conditioning Methods on the Adhesion of Dual-cure Resin Cement with MDP Functional Monomer to Zirconia after Thermal Aging
Surface conditioning Panavia F 2.0 Zirconia
2009/9/11
This study evaluated the effect of chairside and laboratory types of surface conditioning methods on the adhesion of dual-cure resin cement with MDP functional monomer to zirconia ceramic after thermo...
Recent Knowledge Concerning Craniofacial Aging.
Influences of aging changes in proliferative rate of PDL cells during experimental tooth movement in rats
Aging Tooth movement Periodontal ligament Bromodeoxyuridine Immunohistochemistry
2009/1/8
This study was designed to investigate the influences of aging changes in the proliferative activity of PDL cells during experimental tooth movement in rats. Young (6-week-old) and adult (14-week-ol...
Effects of Aging on Mouse Tongue Epithelium Focusing on Cell Proliferation Rate and Morphological Aspects
Aging Morphology Proliferative activity
2010/12/1
The aim of this study was to investigate cell proliferation rate and certain morphological features of mouse epithelium as aging progresses. Tongue biopsies were performed on female mice (Mus domestic...
In Vivo Aging of Orthodontic Alloys：Implications for Corrosion Potential, Nickel Release, and Biocompatibility
Nickel Nickel release Corrosion potential Orthodontic alloy Biocompatibility
2008/12/26
Despite the large number of studies investigating nickel release from orthodontic stainless steel and nickel-titanium alloys, there is a lack of conclusive evidence with respect to the composition a...
Accelerated Aging Effects on Surface Hardness and Roughness of Lingual Retainer Adhesives
Orthodontic adhesives Orthodontic retainer Aging Surface hardness Surface roughness
2008/10/29
Objective: To test the null hypothesis that accelerated aging has no effect on the surface microhardness and roughness of two light-cured lingual retainer adhesives.Materials and Methods: Ten samples ...