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首页> 外文会议>Conference on Lasers in Dentistry Ⅶ Jan 21-22, 2001, San Jose, USA >A Novel Laser Contact Probe for Periodontal Treatment
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A Novel Laser Contact Probe for Periodontal Treatment

机译：一种用于牙周治疗的新型激光接触探针

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摘要

Application of the erbium: YAG (Er: YAG) laser to periodontal treatment has been attempted and preferable results have been reported for calculus removal, vaporization of granulation tissue, periodontal pocket sterilization and so on. However, it has been difficult to reach and treat some conditions involving complex root morphology and furcated roots with conventional probes. The new broom probe was designed and tested to overcome these obstacles. The probe was made of 20 super-line optical fibers bound into a broom shape. The experiments were carried out to evaluate the destructive power of a single fiber and to examine the morphology of tissue destruction and the accessibility to a bifurcated root of a human tooth using the broom probe. The Er: YAG laser prototype (Mey-1) was used. A flat specimen plate was made by cutting the root of a cow tooth and then attached to an electrically operated table and irradiated under various conditions. The specimens were examined with both an optical and scanning electron microscope. The irradiated surface were also examined with a roughness meter An irradiation applied with a single fiber with an energy level of 1 to 1.5 mJ at its tip results in a destruction depth of 3 to 24 mu m. The optimum conditions for the fibers of this probe was 1.0 mJ at 10 pps and a scanning speed of 100 mm/min. No part of the tooth surface remained un-irradiated after using the broom probe to cover the surface 5 times parallel to the tooth axis and then five times at a 30 degree angle to the previous irradiation at a power of 20 ml at 10 pps. Also curved and irregular surfaces were destroyed to a maximum depth of 19 mu m. In conclusion, these results suggest that the broom probe would be applicable for periodontal laser treatments even if the tooth surface has a complex and irregular shape.
机译：尝试将:： YAG（Er：YAG）激光应用于牙周治疗，并且已报道了去除结石，肉芽组织汽化，牙周袋灭菌等的优选结果。然而，用常规探针难以达到和治疗某些情况，包括复杂的根部形态和分叉的根部。设计并测试了新的扫帚探针，以克服这些障碍。该探头由20条捆绑成扫帚形状的超线光纤制成。进行了实验，以评估单根纤维的破坏力，并使用扫帚探针检查组织破坏的形态以及人牙分叉根的可及性。使用了Er：YAG激光原型（Mey-1）。通过切割牛齿的齿根制成平坦的标本板，然后将其固定在电动手术台上并在各种条件下进行辐照。用光学和扫描电子显微镜检查样品。还用粗糙度仪检查被辐照的表面。用能量水平为1到1.5 mJ的单根纤维施加的辐照导致其破坏深度为3到24μm。该探针纤维的最佳条件是在10 pps的条件下为1.0 mJ，扫描速度为100 mm / min。在使用扫帚探针平行于牙齿轴线5次覆盖表面后，再与前次辐照成30度角，以20毫升的功率以10 pps的速度以30度角覆盖五次，牙齿表面的任何部分都保持未照射状态。弯曲和不规则的表面也被破坏到最大深度为19微米。总之，这些结果表明，即使牙齿表面具有复杂且不规则的形状，扫帚探头也可用于牙周激光治疗。

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