Hui-ming He

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This study evaluated the effects of thermocycling on the microtensile bond strength (microTBS) of one- and two-step self-etch adhesives (SEAs) to sclerotic dentin. Two adhesives, Clearfil S3 Bond (S3), a one-step self-etch adhesive (1-SEA), and Clearfil SE Bond (SE), a two-step self-etch adhesive (2-SEA), were applied on cervical lesions in human premolars(More)
Objectives: To investigate the effects of teeth apical stress changes caused by teeth missing and its restoration on the temporomandibular joint (TMJ) stresses. Materials and Methods: The apical stresses measured from photo-elastic experiments (2Kg centric vertical loading to different kinds of occlusion separately) were applied to the established(More)
OBJECTIVE To study changes of condyle position and occlusion between centric jaw relation and maximum intercuspation positions. METHODS The power centric registration advocated by Roth was used to take centric relation bite registration for 50 patients (25 Class I and 25 Class II, Division 1) and diagnostic models were mounted and analysed with Panadent(More)
OBJECTIVE To observe the two-dimensional morphology of microleakage between dentin and adhesives. METHODS The occlusal enamel of human third molar was cut out and the dentin exposed, followed by the application of dental adhesive (Prime & Bond NT, Contax and Adper Prompt), then a composite resin crown was built up. After storage in water (37 degrees C)(More)
OBJECTIVE To study the changes of condyle position and occlusion between centric jaw relation (CR) and maximum intercuspation (MI) positions. METHODS The power centric registration advocated by Roth was used to take centric relation bite registration for 50 patients (25 Angle Class I, and 25 Angle Class II). Diagnostic models were mounted and analyzed(More)
OBJECTIVE To measure the microstructure of laser-welded cast pure titanium by different gap distance. METHODS Forty specimens were sectioned and welded at four gaps (0.00 mm, 0.25 mm, 0.50 mm and 1.00 mm). Took microhardness test and metallographic examination of welded zone surface. RESULTS There were no difference in microhardness value and(More)
OBJECTIVE To evaluate the effect of carbamide peroxide (CP) bleaching agents at different concentrations and with different carriers on the micro-leakage of composite resin interface. METHODS Class V cavity (2 mm in diameter and 2 mm in depth) preparations were made at the enamelo-cemental junction on the buccal and lingual surfaces of 35 extracted human(More)
OBJECTIVE To investigate the influence of the laser welding on bond of porcelain fused to cast pure titanium. METHODS Twenty cast titanium plates were divided into two groups: laser welded group and control group. The low-fusing porcelain was fused to the laser welded cast pure titanium plates at fusion zone. The bond strength of the porcelain to laser(More)
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