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首页> 外文会议>Novel biophotonic techniques and applications II ; Neurophotonics ; Head and neck optical diagnostics >Laser Doppler flowmetry evaluation of gingival recovery response after laser treatment
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Laser Doppler flowmetry evaluation of gingival recovery response after laser treatment

机译：激光多普勒血流仪评估激光治疗后牙龈恢复反应

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This study was performed in order to evaluate in vivo the applicability of Laser Doppler Flowmetry (LDF) in recording the gingival blood flow and to assess the changes of gingival blood flow following gingival reshaping performed with EnYAG and 980 nm diode lasers. The LDF evaluation was performed on 20 anterior teeth, which underwent reshaping of gingiva, corresponding to 5 female patients (4 anterior teeth/patient), aged between 20 and 35. One part of the mouth was treated with EnYAG laser (LP, VLP modes, 140 - 250 mJ, 10-20 Hz, using cylindrical sapphire tips) and other part with 980 nm diode laser (CW, 4 W, contact mode and saline solution cooling). The gingival blood flow was monitored using a MoorLab laser Doppler equipment (Moor Instruments Ltd., Axminster, UK) with a straight optical probe, MP3b, 10 mm. The data were processed using statistical analysis software SPSS vl6.0.1. The investigation showed an evident decrease in perfusion for both areas in comparison with the baseline values 24 hours after treatment. The microvascular blood flow increased significantly after 7 days in both areas but mostly in diode area (p＜0.001). After 14 days for the EnYAG area the blood perfusion returned to the initial value. The results in diode area remained at a high level after 14 days. Both lasers proved efficiency in the surgical treatment of gingival tissue. Moreover, Laser Doppler Flowmetry is adequate for recording changes in gingival blood flow following periodontal surgery.
机译：进行这项研究的目的是评估体内激光多普勒血流仪（LDF）在记录牙龈血流中的适用性，并评估EnYAG和980 nm二极管激光器对牙龈整形后牙龈血流的变化。对20颗牙龈重塑的前牙进行了LDF评估，对应年龄在20至35岁之间的5位女性患者（每位患者4颗前牙）。EnYAG激光治疗了口腔的一部分（LP，VLP模式，140-250 mJ，10-20 Hz（使用圆柱形蓝宝石尖端）和其他部件（带有980 nm二极管激光器）（连续波，4 W，接触模式和盐溶液冷却）。使用MoorLab激光多普勒仪（Moor Instruments Ltd.，Axminster，英国），使用10mm直探头MP3b监测牙龈血流。使用统计分析软件SPSS v1.6.1处理数据。调查显示与治疗后24小时的基线值相比，这两个区域的灌注明显减少。 7天后，两个区域的微血管血流量均显着增加，但大部分位于二极管区域（p ＜0.001）。在EnYAG地区14天后，血液灌注恢复到初始值。 14天后，二极管面积的结果保持在较高水平。两种激光在牙龈组织的外科手术治疗中均证明有效。此外，激光多普勒血流仪足以记录牙周手术后牙龈血流的变化。

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