Chenghu Cao

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A multi-channel meridian impedance detector used to the 3D meridian visualization positioning is presented. The detector is designed with the four-electrode method based on current driving according to low impedance of the meridian. The detector consists of power-supply module, sinusoidal signal generator, voltage-controlled current source, isolation(More)
OBJECTIVE To evaluate gingival sulcus temperature in healthy subjects. METHODS Small size, high sensitivity and rapid response thermocouple was used to measure the gingival sulcus temperature in seven dental students with healthy periodontium. 28 teeth in each subject were tested. RESULTS For an individual subject, the gingival sulcus temperatures in(More)
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