What question did this study set out to answer?

The study aims to characterize changes in the oral microbiome and metabolome after nonsurgical periodontal therapy in patients with type 2 diabetes and periodontitis, linking these changes to clinical outcomes.

April 21, 2026Journal of Oral MicrobiologyOpen Access

Nonsurgical periodontal therapy remodels oral microbiome-metabolome networks and associates with glycemic and inflammatory improvements in type 2 diabetes mellitus with periodontitis: a 6-month longitudinal study

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Authors

JDJing DiaoNational Clinical Research HLHejia LiNational Clinical Research SZShuguo ZhengNational Clinical Research

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Implication

A longitudinal study demonstrates that nonsurgical periodontal therapy improves glycemic and inflammatory outcomes in type 2 diabetes with periodontitis, suggesting beneficial microbiome shifts.

Key Points

The study aims to characterize changes in the oral microbiome and metabolome after nonsurgical periodontal therapy in patients with type 2 diabetes and periodontitis, linking these changes to clinical outcomes.
42 participants were randomly assigned to NSPT or supragingival scaling alone and followed for 6 months.
Periodontal parameters and systemic markers such as HbA1c and C-reactive protein were measured at baseline, 3 months, and 6 months.
Correlation analyses were performed to explore the associations between microbial and metabolomic changes and clinical features.
NSPT improved periodontal inflammation and led to favorable changes in systemic inflammation and glucose/lipid indices.
HbA1c reduction was notably more significant in participants with poorer baseline glycemic control.
Microbiome and metabolome profiles showed temporal variability, with specific taxa/metabolites differing between intervention groups.

Cite This Study

Diao et al. (2026) studied this question.

synapsesocial.com/papers/69e7132bcb99343efc98cf53 https://doi.org/10.1080/20002297.2026.2660482

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Implication

A longitudinal study demonstrates that nonsurgical periodontal therapy improves glycemic and inflammatory outcomes in type 2 diabetes with periodontitis, suggesting beneficial microbiome shifts.

Nonsurgical periodontal therapy remodels oral microbiome-metabolome networks and associates with glycemic and inflammatory improvements in type 2 diabetes mellitus with periodontitis: a 6-month longitudinal study

Discussion

Member takes

Implication

Key Points

Cite This Study

Nonsurgical periodontal therapy remodels oral microbiome-metabolome networks and associates with glycemic and inflammatory improvements in type 2 diabetes mellitus with periodontitis: a 6-month longitudinal study

Discussion

Member takes

Implication

Key Points

Cite This Study

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