Association Between Diabetes Status, Glycaemic Control and Untreated Root Caries Among United States Adults
Libo He1, Lingfang Shi1, Jia Hao Zhu1
1Department of Stomatology, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, Zhejiang, China.
Purpose:
This study explored the association between self-reported diabetes mellitus, glycaemic control, measured by glycohaemoglobin (HbA1c) levels, and untreated root caries among U.S. adults, exploring the impact of diabetes status and glycaemic control levels on root caries risk.
Materials And Methods:
Analysing data from the National Health and Nutrition Examination Survey (NHANES) 2015 to 2018, we included 7490 participants aged 30 and above. We investigated the association between self-reported diabetes, glycaemic control, and untreated root caries, adjusting for demographic and health-related variables. Weighted logistic regression models estimated untreated root caries odds by diabetes status and HbA1c cutoffs (6.5-9%), adjusting for demographics, health behaviours, BMI, diet, oral health factors.
Results:
A significant association was found between higher HbA1c levels and an increased risk of untreated root caries (odds ratio [OR]: 1.11, 95% CI: 1.01-1.22, p < .05). Self-reported diabetes was not significantly linked to untreated root caries after adjusting for HbA1c and other factors. Glycaemic control thresholds (HbA1c ≥8%) among diabetic participants were associated with higher odds of untreated root caries.
Conclusions:
Poorly controlled diabetes appears to be associated with untreated root caries among U.S. adults. This highlights the greater impact of glycaemic control versus self-reported diabetes on dental health and the need for regular oral screenings for patients with poor glycaemic control.
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