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<p>The colonization of the periodontal sulcus by pathogenic oral bacteria may be promoted by the eruption of permanent teeth. To analyse the evolution of the oral microbiota during teeth eruption. Sub-gingival microbiome analyses (16S) of primary teeth and eruption permanent teeth sulci (case-matched) were carried out with periodontitis sample controls. A number of disease-associated bacteria including <i>Tannerella forsythia</i>, <i>Treponema denticola</i> and <i>Fretibacterium</i> sp.<i> HMT 360</i> have been detected in erupting teeth samples but were absent in primary teeth. The formation of deeper sulcus during permanent teeth eruption may create an early colonization niche for periodontal pathogens in older children or young adults which may be implicated later in periodontal diseases.</p>

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Does permanent tooth eruption introduce periodontal pathogens? A preliminary study

  • 期刊论文

  • 发表日期：

    2026年8月3日

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  • Shao Bing Fong,
  • Emile Boyer,
  • Alexia Marie-Cousin,
  • Sandrine Le Gall-David,
  • Jean-Louis Sixou,
  • Martine Bonnaure-Mallet,
  • Marie Desclos-Theveniau,
  • Vincent Meuric

摘要

The colonization of the periodontal sulcus by pathogenic oral bacteria may be promoted by the eruption of permanent teeth. To analyse the evolution of the oral microbiota during teeth eruption. Sub-gingival microbiome analyses (16S) of primary teeth and eruption permanent teeth sulci (case-matched) were carried out with periodontitis sample controls. A number of disease-associated bacteria including Tannerella forsythia, Treponema denticola and Fretibacterium sp. HMT 360 have been detected in erupting teeth samples but were absent in primary teeth. The formation of deeper sulcus during permanent teeth eruption may create an early colonization niche for periodontal pathogens in older children or young adults which may be implicated later in periodontal diseases.