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在初级和永久性空中链球菌生物型:一个病例对照研究.

Sonia B Bhardwaj1, Urvashi Sharma2, Manjula Mehta1

  • 1Department of Microbiology, Dr Harvansh Singh Judge Institute of Dental Sciences and Hospital, Panjab University, Chandigarh, India.

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概括

儿童和青少年的牙与特定的链球菌菌种有关. 突变性链球菌水平在初级牙虫中较高,在初级牙和永久牙中具有不同的物种概况.

关键词:
牙损伤导致牙损伤.口腔链球菌口腔链球菌永久的牙是永久的牙.一个主要的牙.

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科学领域:

  • 微生物学 微生物学
  • 儿科牙科 儿科牙科
  • 口腔健康 口腔健康

背景情况:

  • 链球菌,特别是突变性链球菌,是导致牙的主要病原体.
  • 关于链球菌在不同牙发育阶段的分布及其对牙水平的影响的数据有限.

研究的目的:

  • 为了评估链球菌种类在牙的儿童和青少年的初级和永久牙的分布.
  • 为了比较一次性和永久性牙损伤之间的链球菌样本.

主要方法:

  • 病例控制研究涉及患有初级牙的儿童 (2-5岁) 和患有永久牙的青少年 (12-15岁).
  • 包括年龄相匹配的健康对照.
  • 牙生物膜采样,链球菌培养,殖民地计数和物种识别.

主要成果:

  • 已识别的链球菌种类包括*S. mutans*, *S. sobrinus*, *S. mitis*, *S. rattus*, *S. sanguis* 在初级牙腐烂中.
  • *S. salivarius*, *E. faecalis*, *S. mitis*, *S. agnosus*, *S. mutans* 和 *S. sobrinus* 在永久牙变中被发现.
  • 突变性链球菌水平在初级虫组显著更高 (p < 0.01).

结论:

  • 在受到牙影响的初级牙和永久牙之间,链球菌种类概况存在显著差异 (p < 0.01).