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首页> 外文期刊>Japanese journal of applied physics >A Comparative Histological Study of Bone Healing in Rat Calvarial Defect Using the Erbium-Doped Yttrium Aluminum Garnet Laser and Rotary Instruments
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A Comparative Histological Study of Bone Healing in Rat Calvarial Defect Using the Erbium-Doped Yttrium Aluminum Garnet Laser and Rotary Instruments

机译：掺b钇铝石榴石激光和旋转器械对大鼠颅骨缺损骨愈合的组织学比较研究

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摘要

Erbium-doped yttrium aluminum garnet (Er:YAG) lasers have been used in dentistry for cutting bone and removal of caries. The purpose of this study was to evaluate the bone healing in a skull defect prepared in rats using various instruments including Er:YAG laser. The 7 mm calvarial defects were created in 45 rats and 45 rats were divided into three groups (n = 15): a high-speed rotation engine with carbide round bur (2-mm diameter), a low-speed rotation engine with carbide round bur (2-mm diameter), and an Er:YAG laser. Specimens obtained after 3 days or 4 or 8 weeks were submitted for histological analysis. Three days after surgery, no bone formation had occurred in any of the groups. Four weeks after surgery, 90 ± 8.16% new bone formation was observed in the high-speed group, and 8 weeks after surgery, 100 ± 0% new bone formation was observed in the low- and high-speed groups. There were significant differences among the periods after surgery, but no significant differences were observed among final results with in different device groups.
机译：掺钇铝石榴石（Er：YAG）激光器已用于牙科领域，用于切割骨骼和去除龋齿。这项研究的目的是评估使用包括Er：YAG激光在内的各种仪器在大鼠制备的颅骨缺损中的骨愈合情况。在45只大鼠中创建了7 mm颅骨缺损，并将45只大鼠分为三组（n = 15）：带有硬质合金圆钻（直径2毫米）的高速旋转发动机，带有硬质合金圆针的低速旋转发动机bur（直径2毫米）和Er：YAG激光器。 3天或4或8周后获得的标本被提交用于组织学分析。手术后三天，所有组均未发生骨形成。手术后四周，在高速组中观察到90±8.16％的新骨形成，而在手术后8周，在低速和高速组中观察到100±0％的新骨形成。手术后各时期之间存在显着差异，但不同器械组的最终结果之间没有观察到显着差异。

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  • 来源
    《Japanese journal of applied physics》 |2012年第1issue2期|p.01AE02.1-01AE02.3|共3页
  • 作者

    Mi-Kyung Jung; Su-Gwan Kim; Ji-Su Oh; Seung-Chan Jin; Sook-Young Lee; Eun-Sook Jang; Zheng-Gang Piao; Sung-Chul Lim; Mi-Ae Jeong;

  • 作者单位

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Pathology, School of Medicine, Chosun University, Gwangju 501-759, Republic of Korea;

    Department of Dental Hygiene, Kangwon National University, Samcheok, Gangwon 245-711, Republic of Korea;

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