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Efficacy of Flat‐Top Hand‐Piece Using 980 nm Diode Laser Photobiomodulation on Socket Healing after Extraction: Split Mouth Experimental Model in Dogs
Photochemistry and Photobiology ( IF 2.6 ) Pub Date : 2020-11-29 , DOI: 10.1111/php.13356
Mohamed A Abdel Hamid 1 , Amira A Zaied 2 , Mohamed Khalifa Zayet 3 , Hany Abdelmageed 4 , Elham A Hassan 1 , Andrea Amaroli 5
Affiliation  

The objective was to evaluate the effect of photobiomodulation (PBM) using 980nm diode-laser therapy (0.60W, 0.77W/cm2 , 36J, 46J/cm2 , 60sec) irradiated in continuous-wave mode by flat-top hand-piece on socket healing in the maxilla and mandible. A split-mouth experimental design was performed on 6 dogs. The 3rd premolar tooth was extracted from the maxilla and mandibles for both sides. The right-sided sockets were irradiated (PBM group), the left-sided sockets were kept as control. Irradiation was done after extraction and at 48-hours interval for 14-days. Both the buccal and lingual sides were irradiated to reach a total irradiation time of 120sec. Bone density was evaluated at 3-, 4- and 5-weeks using cone-beam computed tomography. We showed that maxillary sockets in the PBM group had higher bone density compared to control one at 3-, 4-, 5-weeks (P=0.029, <0.001, <0.001) respectively. Mandibular sockets revealed no significant difference between PBM and control at 3-weeks (P=0.347), while at 4- and 5-weeks PBM group showed higher bone density (P=0.004, <0.001). In both groups, there was a significant increase (P<0.001) in bone density by time which was higher in the PBM group. We concluded that PBM using a flat-top hand-piece of 980-nm improved the bone density of extraction sockets.

中文翻译:

使用 980 nm 二极管激光光生物调制的平顶手机对拔牙后插座愈合的疗效:狗的裂口实验模型

目的是评估使用 980nm 二极管激光疗法(0.60W、0.77W/cm2、36J、46J/cm2、60 秒)通过插座上的平顶手持件以连续波模式照射的光生物调节 (PBM) 效果上颌骨和下颌骨愈合。对 6 只狗进行了开口实验设计。从两侧的上颌骨和下颌骨中拔出第三颗前磨牙。照射右侧插座(PBM组),左侧插座作为对照。提取后进行辐照,间隔 48 小时进行 14 天。颊侧和舌侧均被照射,总照射时间达到120秒。使用锥形束计算机断层扫描在 3 周、4 周和 5 周评估骨密度。我们发现,与对照组相比,PBM 组的上颌窝在 3-、4-、分别为 5 周(P=0.029,<0.001,<0.001)。下颌窝在 3 周时 PBM 组与对照组之间没有显着差异(P=0.347),而在 4 周和 5 周时 PBM 组显示出更高的骨密度(P=0.004,<0.001)。在两组中,随着时间的推移,骨密度显着增加(P<0.001),在 PBM 组中更高。我们得出结论,使用 980 nm 平顶手柄的 PBM 提高了拔牙窝的骨密度。
更新日期:2020-11-29
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