可变方矩形脉冲Er∶YAG激光在牙龈黑色素脱色中的临床观察

Chinese Journal of Prosthodontics(2015)

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Abstract
目的:评价可变方矩形(variable square pulse,VSP)脉冲Er∶ YAG激光在牙龈黑色素沉着治疗中的有效性和安全性.方法:采用VSP脉冲Er∶ YAG激光治疗23例牙龈黑色素沉着患者,选择激光波长2.94μm,脉冲宽度100ms,脉冲能量60mJ,频率10Hz,光斑直径1mm,1次Er∶ YAG激光治疗为1个疗程.疗程结束后1、6、12个月随访观察效果,依据牙龈颜色和形态变化两个客观体征和患者主观评价对牙龈黑色素沉着治疗效果进行评估.结果:术后12个月回访结果显示,牙龈色素沉着消退明显,总有效率为90.0%,患者满意率达到90.0%.结论:VSP脉冲Er∶ YAG激光在口腔临床去牙龈色素沉着手术过程中疗效显著,感染几率低,激光仪器操作简单,安全,是一种理想的牙龈黑色素脱色治疗方法.
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Key words
Er∶YAG lasers,melanins,hyperpigmentation,gingiva
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