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Title: Microbiota of Endodontically Infected Primary and Permanent Teeth
Authors: Delikan, Ebru
Çalışkan, Seçil
Cankılıç, Meral Yılmaz
Aksu, Seçkin
Kesim, Bertan
Ülger, Seda Tezcan
Issue Date: 2021
Publisher: Amer Acad Pediatric Dentistry
Abstract: Purpose: Differences in the endodontic microbiome of permanent and primary teeth during the mixed dentition period are still unknown. The purpose of this study was to examine bacterial diversity in endodontically infected primary and permanent teeth using 16S rRNA gene sequencing and the QIIME 2 (Quantitative Insights Into Microbial Ecology 2) bioinformatics pipeline. Methods: Microbial samples from endodontically infected primary (n equals 15) and permanent (n equals 15) maxillary or mandibular molar teeth were subjected to next-generation sequencing analysis based on examination of the hypervariable V3 to V4 region of the 16S rRNA gene. Statistical analysis was performed using R software. Results: Of 1,664,926 reads and 2,237 operational taxonomic units, 14 phyla, 89 families, and 236 genera were identified. Firmicutes were the most commonly detected phyla in both endodontically infected primary and permanent root canals. Bacteroides and Proteobacteria were more common in primary teeth, whereas Actinobacteria and Verrucomicrobia were more common in permanent teeth. The overall canal microbiota composition was similar in endodontically infected primary and permanent teeth (P=0.338). Conclusions: This study provides a comprehensive assessment of microbiota composition in endodontically infected primary and permanent teeth and gives a deeper insight into the origin of the root canal infections.
ISSN: 0164-1263
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