Tooth Extraction, Dental Visits, and Glucose Levels: a Retrospective Study
Seitaro Suzuki1,2, Yoshihito Ohta2, Hirozumi Ogawa2
1Department of Dental Hygiene, Mejiro University College.
The Bulletin of Tokyo Dental College
|November 16, 2025
Summary
Regular dental visits and tooth extractions may be linked to better blood glucose control in adults. Frequent dental care, especially for those with obesity, shows a promising association with improved glycemic management over three years.
Area of Science:
- Oral Health
- Endocrinology
- Public Health
Background:
- Glycemic control is crucial for managing diabetes.
- Dental health is increasingly recognized as a factor influencing systemic health.
- Previous research suggests links between oral health and metabolic conditions.
Purpose of the Study:
- To investigate the association between tooth extraction, dental visit frequency, and blood glucose levels.
- To analyze these associations over a 3-year period in middle-aged and older adults.
- To identify potential links between dental care patterns and glycemic status.
Main Methods:
- Analysis of a large health insurance claims database (DeSC, Tokyo, Japan).
- Inclusion of 31,373 individuals aged 45-70 years.
- Categorization based on annual dental visits and tooth extractions; primary outcome: high blood glucose (HbA1c≥6.5% or fasting plasma glucose ≥126 mg/dl).
Main Results:
- Tooth extraction at baseline was associated with lower odds of high blood glucose levels after 3 years.
- Three or more yearly dental visits correlated with lower odds of high blood glucose, especially in individuals with high baseline glucose and BMI ≥25.0 kg/m².
- Findings suggest a link between regular dental care and improved glycemic control, particularly in obese individuals.
Conclusions:
- Regular dental care and tooth extraction may be associated with better glycemic control.
- Further research is needed to explore causal relationships and the impact of specific dental interventions like periodontal treatment on diabetes management.
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