Brushing your teeth might be doing more than just protecting your smile—it could be shielding you from chronic pain and migraines. A new study from Australia has uncovered a compelling link between poor oral hygiene and widespread body pain, especially in women suffering from fibromyalgia.
Published in Frontiers in Pain Research, the study highlights a significant association between poor oral health and chronic pain symptoms. Researchers found that women with fibromyalgia were more likely to experience severe body aches and migraines if they had poor oral hygiene.
What is fibromyalgia?
It is a long-term condition characterised by widespread pain, fatigue, and sleep disturbances.
"This is the first study to investigate the relationship between oral health, oral microbiota, and chronic pain in women with fibromyalgia," said Dr Joanna Harnett, lead researcher and Associate Professor at the University of Sydney’s School of Pharmacy. "Our findings show a clear and significant link between poor oral health and pain."
The study analysed data from 186 women, two-thirds of whom were diagnosed with fibromyalgia. Results revealed that participants with poor dental health were 60% more likely to suffer from moderate to severe body pain, and nearly 50% more likely to report frequent migraines.
Researchers believe the root of this connection may lie in the oral microbiome. When disrupted due to inadequate dental care, the microbial balance in the mouth may influence the nervous system and trigger systemic pain.
Fibromyalgia affects an estimated 5% of the global population, with women comprising 80% to 96% of those diagnosed. Despite its prevalence, the condition remains under-recognized and often misdiagnosed.
"This is particularly important in the context of fibromyalgia, which remains misunderstood and under-treated," noted co-author Sharon Erdrich.
The study underscores the importance of good oral hygiene—not just for dental health, but as a potential factor in managing chronic pain conditions. Experts continue to recommend brushing twice a day, flossing regularly, and scheduling annual dental checkups to support both oral and overall health.
