Gui-lan Sun

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OBJECTIVE To choose the best retraction agent for the clinic by evaluating the gingival inflammation related to three kinds of retraction agents. METHODS 40 maxillary premolars were divided into four groups according to the randomized block design: Ferric sulfate group, aluminum chloride group, epinephrine group, sodium chloride group(control group), each(More)
OBJECTIVE To investigate the variation of the corrosion resistance of micro-arc oxidation film on titanium by electrochemical methods in simulated body fluid. METHODS Micro-arc oxidation film was formed on the titanium surface using micro-arc oxidation. The morphology was observed with scanning electron microscopy (SEM) and the phase composition was(More)
PURPOSE To examine the corrosion resistance of micro-arc oxidation film on titanium by electrochemical methods in simulated body fluid. METHODS Micro-arc oxidation film was formed on titanium surface by using micro-arc oxidation. The morphology, phase composition and the surface roughness were observed by scanning electron microscopy (SEM), X-ray(More)
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