Oral Health Study Reveals Link Between Depression and Toothache

Posted: September 24, 2025
A recent study delved into the impact of the COVID-19 pandemic on individuals with depression, shedding light on the connection between oral health and mental well-being. Analyzing data from the Korea National Health and Nutrition Examination Survey (KNHANES) in 2019 and 2021, researchers observed a concerning rise in physician-diagnosed depression from 4.44% to 5.11%. Notably, individuals with depression consistently reported more oral health issues like toothache, chewing discomfort, and unmet dental care needs both before and after the pandemic.

The study's findings underscore the significant association between oral health problems and depression, with toothache and chewing problem severity emerging as consistent predictors of depression in both 2019 and 2021. Moreover, the prevalence of unmet dental care needs increased notably from 29.4% to 40.5% post-pandemic. Interestingly, unmet dental care needs were identified as a significant predictor of depression only in 2021, highlighting the evolving oral health challenges faced by individuals with depression in the wake of the COVID-19 crisis.

These compelling results emphasize the crucial role of oral health in mental well-being and call for integrated public health interventions that consider oral health as an integral component of mental health support, especially during times of crisis like the COVID-19 pandemic. As dental professionals, being mindful of the impact of oral health on mental health outcomes can prompt proactive measures to address oral health disparities among individuals with depression, potentially enhancing their overall quality of life and well-being.

This article summary was generated by AI. To view the full article, click the link here: https://pubmed.ncbi.nlm.nih.gov/40993552/

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