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山东大学学报(医学版) ›› 2011, Vol. 49 ›› Issue (9): 53-.

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T1DM、T2DM糖尿病大鼠牙槽骨骨密度变化的相关性实验研究

刘梅1,张君2,王旭霞3   

  1. 1.山东大学齐鲁医院口腔科, 济南 250012; 2.山东大学口腔医学院正畸科, 济南 250012;
    3.山东大学口腔医学院口腔颌面外科, 济南 250012; 山东省口腔生物医学重点实验室, 济南 250012
  • 收稿日期:2010-12-11 出版日期:2011-09-10 发布日期:2011-09-10
  • 通讯作者: 王旭霞(1962- ),女,教授,主要从事口腔临床医学研究。 E-mail:wxx@sdu.edu.cn
  • 作者简介:刘梅(1968- ),女,主治医师,主要从事口腔临床医学研究。

Changes of the mineral density of the alveolar bone between T1DM and T2DM rats

LIU Mei1, ZHANG Jun2, WANG Xu-xia3   

  1. 1. Department of Stomatology, Qilu Hospital, Shandong University,  Jinan 250012, China; 2. Department of Orthodontics,
    School of Stomatology, Shandong University,  Jinan 250012, China; 3. Department of Maxillofacial Surgery, School of
    Stomatology, Shandong University, Shandong Key Laboratory of Oral Biomedical, Jinan 250012, China
  • Received:2010-12-11 Online:2011-09-10 Published:2011-09-10

摘要:

目的   比较1型、2型糖尿病大鼠牙槽骨骨密度的变化。方法   腹腔注射链脲佐菌素制备1型、2型糖尿病大鼠模型,应用定量放免法、酶联免疫吸附法检测其血糖、血脂、胰岛素和骨代谢血清标记指标, 采用双能X线照射法测量右侧下颌牙槽骨的骨密度。结果   1型、2型糖尿病组正常对照大鼠的下颌牙槽骨骨密度无统计学差异(P>0.05),2型糖尿病大鼠下颌牙槽骨发生了骨质疏松(P<0.05), 1型糖尿病治疗组大鼠下颌牙槽骨未发生骨质疏松(P>0.05),1型糖尿病未治疗组大鼠发生了骨质疏松(P<0.05)。2型糖尿病大鼠下颌牙槽骨骨密度高于1型糖尿病未治疗组(P<0.05),与1型糖尿病治疗组大鼠下颌牙槽骨骨密度接近(P>0.05)。结论   2型糖尿病大鼠下颌牙槽骨骨密度高于1型糖尿病大鼠下颌牙槽骨,控制好血糖浓度可以预防骨质疏松。

关键词: 1型糖尿病;2型糖尿病;下颌牙槽骨;骨密度

Abstract:

Objective   To compare the changes of the mineral density of the alveolar bone in Type 1 and Type 2 diabetic rats. Methods   Models of diabetic rats were established by peritoneal injection of STZ. Blood glucose, lipid, and serum insulin, indicators of bone metabolism were determined by quantitative radioimmunoassay, enzyme-linked immunosorbent assay, while the bone mineral density of the right alveolar bone was measured by the dual energy X-ray irradiation method.  Results   The changes of the mineral density alveolar bone of the mandible in normal control rats was similar(P>0.05). Osteoporosis did not happen to treated Type 1 diabetic rats(P>0.05), but it happened to untreated Type 2 diabetic and Type 1 diabetic rats(P<0.05). The changes of the mineral density of the alveolar bone of mandible in treated Type 2 diabetic and Type 1 diabetic rats were similar(P>0.05).  Conclusion   The mineral density of the alveolar bone of mandible in untreated Type 2 diabetic rats was higher than that in Type 1 diabetic rats. Good control of blood glucose levels can prevent osteoporosis.

Key words: Type 1 diabetes mellitus; Type 2 diabetes mellitus; Alveolar bone of mandible; Bone mineral density

中图分类号: 

  • R781.4
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