Objective: to evaluate the clinical effect and value of semiconductor laser in tooth whiten.
目的：探讨半导体激光在牙齿漂白中的应用效果及临床价值。
The effect of the dielectric coatings on semiconductor laser performance is presented.
简要叙述了介质镀膜对半导体激光器性能的影响。
Objective to determine the clinical effect on patients with joint injury treated by low intensity semiconductor laser.
目的探讨低功率半导体激光对急慢性关节损伤的治疗作用。
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