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首页> 外文会议>Conference on lasers in dentistry >Long-term clinical evaluation of endodontically treated teeth by 15 F CO2 laser microprobe: three years clinical follow-up of 1512 root canals--in-vivo study
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Long-term clinical evaluation of endodontically treated teeth by 15 F CO2 laser microprobe: three years clinical follow-up of 1512 root canals--in-vivo study

机译：15 F CO2激光微探针对牙髓治疗牙齿的长期临床评估：1512根管的三年临床随访-体内研究

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Abstract: The purpose of this study was to determine the efficiency of 15 F CO$-2$/ laser microprobe, in cases of periapical lesions, by eliminating the pathological reaction caused by certain species of bacteria, reduction of reinfection and stimulation of osteogenesis in the periapical region. Until now, no suitable delivery fiber existed for CO$-2$/ laser endodontic radiation in the apical region where it is most difficult to eliminate the pulp tissue using conventional methods. To overcome this problem, Sharplan laser designed a microprobe that reaches closer to the apex, distributing the energy density to a smaller area of the root canal, thus favorably increasing the thermal effects. The study was conducted on 900 teeth, divided in two groups. 468 were new case, carefully selected according to strict parameters such as: wide periapical translucency over 1mm, supported by digital x-ray, with a lesion of 3mm and more. All root canals were mechanically prepared in the conventional method up to size 35, Physiological saline solution served as finding solution and were treated by 15 F CO$-2$/ laser microprobe for 60 pulses repeatedly. The temperature at the surrounding tissue of the root did not exceed 38 degrees C filling of the canal was possible at the same appointment, without antibiotical treatment. 432 of the cases, which were referred to us by other dentists, after an unsuccessful treatment according to the classical therapy, were treated by the same laser therapy. Follow up was performed by clinical examination, and digital x-ray taken, during and after treatment as well as after 3, 6, 9, 12 month. The result demonstrate 98 percent success rate in both study groups, according to objective criteria for a successful treatment such as: reduction of apical translucency after 2- 6 months, freedom form clinical complains, and no need for periapical surgery. !11
机译：摘要：本研究的目的是通过消除某些细菌引起的病理反应，减少再感染和刺激成骨，确定15 F CO $ -2 $ /激光微探针在根尖周病变中的效率。根尖周围的区域。到目前为止，在最难以使用常规方法清除牙髓组织的根尖区域，尚无合适的输送纤维用于CO $ -2 $ /激光牙髓辐射。为了克服这个问题，Sharplan激光设计了一种微探针，该探针接近根尖，将能量密度分配到了较小的根管区域，从而有利地增加了热效应。该研究在900颗牙齿上进行，分为两组。 468例是新病例，根据严格的参数精心选择，例如：超过1mm的宽根尖半透明性，由数字X射线支持，病变为3mm或更大。所有根管均以常规方法机械制备至35号，使用生理盐水溶液作为发现溶液，并用15 F CO $ -2 $ /激光微探针重复处理60个脉冲。根部周围组织的温度不超过38摄氏度，可以同时进行根管充填，而无需进行抗生素治疗。在根据传统疗法未成功治疗后，其他牙医转诊给我们的432例病例采用相同的激光疗法进行了治疗。在治疗期间和之后以及在3、6、9、12个月之后，通过临床检查进行随访，并拍摄X线照片。根据成功治疗的客观标准，结果表明两个研究组的成功率均达到98％，例如：2至6个月后根尖半透明性降低，形成临床主诉自由以及无需进行根尖周手术。 ！11

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