中国组织工程研究 ›› 2013, Vol. 17 ›› Issue (51): 8834-8840.doi: 10.3969/j.issn.2095-4344.2013.51.009

• 组织工程口腔材料 tissue-engineered oral materials • 上一篇    下一篇

镍铬合金烤瓷修复体拆除前后患牙龈下菌群的变化

郭大伟1,宋  玲1,张春艳1,曹  阳1, 李菁文2,梁  星2   

  1. 1青岛市市立医院口腔科,山东省青岛市  266071;2四川大学华西口腔医院修复科,四川省成都市  610041
  • 出版日期:2013-12-17 发布日期:2013-12-17
  • 通讯作者: 梁星,主任医师,教授,博士生导师,四川大学华西口腔医院修复科,四川省成都市 610041 xingliangdent@vip.163.com
  • 作者简介:郭大伟☆,男,1974年生,山东省苍山县人,汉族,2010年四川大学毕业,博士,主治医师,副教授,硕士生导师,主要从事口腔修复学及种植学的临床和应用基础研究。 dawei_guo@163.com
  • 基金资助:

    青岛市科技计划基础研究项目(12-1-4-16-(8)-jch)*;青岛市卫生科技计划项目(2012-WSZD005)*;青岛市市立医院“总院长科研专项基金”项目(ZYZJJ-2013- W020-配)*

Variation in subgingival flora of abutments before and after removal of nickel-chromium alloy porcelain-fused-to-metal restoration

Guo Da-wei1, Song Ling1, Zhang Chun-yan1, Cao Yang1, Li Jing-wen2, Liang Xing2   

  1. 1 Department of Stomatology, Qingdao Municipal Hospital, Qingdao  266071, Shandong Province, China; 2 Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu  610041, Sichuan Province, China
  • Online:2013-12-17 Published:2013-12-17
  • Contact: Liang Xing, Chief physician, Professor, Doctoral supervisor, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan Province, China xingliangdent@vip.163.com
  • About author:Guo Da-wei,☆ M.D., Attending physician, Associate professor, Master’s supervisor, Department of Stomatology, Qingdao Municipal Hospital, Qingdao 266071, Shandong Province, China dawei_guo@163.com
  • Supported by:

    the Basic Research Program of Qingdao Scientific Plan, No. 12-1-4-16-(8)-jch*; the Health Scientific Plan of Qingdao City, No. 2012-WSZD005*; Dean’s Specific Fund of Qingdao Municipal Hospital, No. ZYZJJ-2013- W020-pei*

摘要:

背景:目前有关镍铬合金烤瓷修复体对龈下菌群影响的研究还较少。
目的:探讨镍铬合金烤瓷修复体对龈下菌群构成比的影响。
方法:选择因怀疑镍铬合金烤瓷修复体影响健康而要求拆除原修复体的烤瓷牙患者9例(患牙12颗),于镍铬合金烤瓷烤瓷修复体拆除前、拆除后1个月、拆除后3个月时,采用变性梯度凝胶电泳法检测镍铬合金烤瓷修复体基牙及对侧同名天然牙的龈下菌斑。
结果与结论:修复体拆除后1,3个月,患牙龈下菌斑的变性梯度凝胶电泳图谱与拆除前相比均发生了明显变化,而且拆后3个月与拆后1个月相比也发生了较明显变化;此外,选择在修复体拆除前龈下菌斑中经常出现而在拆除后消失或减弱的变性梯度凝胶电泳图像中一些特异性条带作16S rDNA片段的序列分析,结果显示这些特异条带的基因序列分别与啮蚀艾肯菌、直形弯曲菌和隐藏优杆菌有着较高的序列相似度。结果表明镍铬合金烤瓷修复体导致了修复基牙龈下菌群组成的变化,并且导致了部分牙周可疑致病菌构成比增加。


中国组织工程研究杂志出版内容重点:生物材料;骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性;组织工程


全文链接:

关键词: 生物材料, 组织工程口腔材料, 变性梯度凝胶电泳, 镍铬合金, 金属烤瓷, 龈下菌群, 16S rRNA, 牙周可疑致病菌, 牙周炎, 镍离子, 铬离子, 牙周损伤

Abstract:

BACKGROUND: Currently, there are few reports on the effect of nickel-chromium (Ni-Cr) alloy porcelain-fused-to-metal (PFM) restoration on subgingival flora of abutment.
OBJECTIVE: To investigate the effect of the Ni-Cr alloy PFM restoration on subgingival flora ratio of abutment.
METHODS: Nine patients (12 teeth) who suspected that Ni-Cr alloy PFM could affect their health and therefore came to hospital to ask for removal of the prosthesis were selected in this study. Their subgingival plaques of abutment were obtained before and 1 month, 3 months after the Ni-Cr alloy PFM restorations were removed, respectively, and the changes of subgingival flora were observed and analyzed by the method of denaturing gradient gel electrophoresis.
RESULTS AND CONCLUSION: The images of denaturing gradient gel electrophoresis in subgingival bacteria of experimental group had significant changes at 1 and 3 months after Ni-Cr alloy PFM restorations removed, furthermore, there were significant differences in the images of denaturing gradient gel electrophoresis at 1 and 3 months. In addition, the specific bands were selected from denaturing gradient gel electrophoresis image that appeared before Ni-Cr alloy PFM restorations removed and weakened or disappeared after the removal of restorations, then 16S rDNA sequence in the specific bands were analyzed. The results showed that the gene sequences of these bands were closest related to Eikenella corrodens, Campylobacter rectus and Eubacterium  saphenu. These findings indicated that the Ni-Cr alloy PFM restorations would result in the changes of the proportion of subgingival microflora and increases in the detection rates of some periodontal pathogens.


中国组织工程研究杂志出版内容重点:生物材料;骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性;组织工程


全文链接:

Key words:  biocompatible materials, chromium alloys, metal ceramic alloys, periodontitis

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