What question did this study set out to answer?

The aim is to analyze salivary microbiome profiles and identify specific changes related to periodontal disease stages.

Shotgun Metagenomic Analysis Reveals Taxonomic and Functional Transitions in the Salivary Microbiome During Periodontal Disease Progression

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Cross-sectional study characterizes salivary microbiome changes during periodontal disease, indicating potential biomarkers.

The aim is to analyze salivary microbiome profiles and identify specific changes related to periodontal disease stages.
Cross-sectional design involving 204 adults (mean age 40.3 years)
Clinical assessments classified into six periodontal groups
Shotgun metagenomic sequencing for microbial analysis
Beta diversity analysis showed significant differences in microbial composition among periodontal health and disease states (p=0.049, p=0.043)
Gingivitis with pockets and severe periodontitis exhibited increased prevalence of specific bacteria
Metagenomic classifier demonstrated high discrimination for disease stages: AUC = 0.90 and AUC = 0.865 for gingivitis with pockets and severe periodontitis respectively.

Manzoor et al. (2026) studied this question.

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