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首页> 外文会议>Mechanisms for Low-Light Therapy; Progress in Biomedical Optics and Imaging; vol.7 no.26 >'LLLT in treating dentinary hypersensitivity: new concepts'
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'LLLT in treating dentinary hypersensitivity: new concepts'

机译：“ LLLT治疗牙本质过敏：新概念”

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Dental hypersensitivity has been studied for several years and it is reported as a strikingly painful condition originating from the exposition of dentinal tubuli . The exposed area is subjected to several kinds of stimuli, resulting in a rapid sharp acute pain. LLLT has been shown to have anti-inflammatory, analgesic and cellular effects in both hyperemia and inflammation of the dental pulp. Our previous histological study showed that irradiated animals presented an increased production of dentine and shutting of dentinal tubuli. On the other hand, non-irradiated subjects still showed signals of intense inflammatory reaction and even necrosis at the same experimental times. Irradiated teeth did not show cell degeneration. The LLLT was shown to be efficient in the stimulation of odontoblast cells, producing reparative dentin and closing dentin tubuli. Our clinical studies with 660nm , 790nm and 830nm diode laser, and the total dose per tooth of 4J/cm was shown effective in treating dentinal hypersensitivity as it quickly reduces pain and maintains a prolonged painless status in 91.27 % to 97% of the cases. In a recent study our team observed that significant levels of dentinal desensitization were only found in patients belonging to the 25-35 age group. In conclusion, the results demonstrated indeed that LLLT, when based on the use of correct irradiations parameters is effective in treating hypersensitivity, but the age of patients is one of the factors that may alter the success of treatment due to dentinal sclerosis, which makes the penetration of light more difficult.
机译：牙齿过敏已有数年的研究，据报道是由于牙本质小管暴露引起的惊人的疼痛症状。裸露的区域受到多种刺激，导致剧烈的剧烈急性疼痛。 LLLT已显示在充血和牙髓炎症中具有抗炎，止痛和细胞作用。我们以前的组织学研究表明，受辐照的动物牙本质的生成量增加，牙本质小管关闭。另一方面，未照射的受试者在相同的实验时间仍显示出强烈的炎症反应甚至坏死的信号。辐照过的牙齿没有显示出细胞变性。 LLLT被证明在刺激成牙本质细胞，产生修复性牙本质和闭合牙本质小管方面是有效的。我们对660nm，790nm和830nm二极管激光器进行的临床研究表明，每颗牙齿的总剂量为4J / cm，可有效治疗牙本质过敏症，因为它可以快速减轻疼痛并维持长时间的无痛状态，占91.27％至97％的病例。在最近的研究中，我们的团队观察到，仅在25-35岁年龄段的患者中发现了显着水平的牙本质脱敏。总之，结果确实表明，LLLT在基于正确的辐照参数使用时可有效治疗超敏反应，但患者年龄是可能会由于牙本质硬化而改变治疗成功的因素之一，这使得LLLT成为可能。光的穿透更加困难。

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