top of page

Oral Health & Normal Heart Rate Variability

A girl smiling with brite and white teeth


Oral health, a facet often overlooked in the realm of well-being, has recently emerged as a fascinating area of study. New research has unveiled a surprising link between oral health and normal heart rate variability (HRV), a key indicator of cardiovascular health. In this blog post, we will explore this intriguing connection and its profound implications for health and wellness.

Understanding Heart Rate Variability:

Heart Rate Variability (HRV) is the variation in time intervals between consecutive heartbeats. A higher HRV often indicates a healthy heart, as it reflects the heart’s ability to respond to different situations. Lower HRV, on the other hand, has been linked to health issues such as stress, fatigue, and even severe conditions like heart disease.

Oral Health: More Than Just a Smile:

Oral health encompasses more than just maintaining pearly whites. It involves the health of the entire oral cavity, including the teeth, gums, and supporting tissues. Poor oral health, characterized by conditions such as gum disease (periodontitis), can lead to systemic inflammation, resulting in various health issues, including cardiovascular diseases.

The Connection Between Oral Health and HRV:

Recent research has found a link between oral health and HRV. The following studies highlight this connection:

These studies not only illuminate the potential of HRV as a valuable tool in dentistry but also offer practical applications. They can help assess the impact of dental conditions and treatments on autonomic nervous system function, monitor patient stress, and gauge overall health during dental procedures. However, further research is necessary to comprehend the intricate relationship between oral health and HRV fully.

Implications for Health and Wellness:

The connection between oral health and HRV underscores the importance of maintaining good oral hygiene. It's not just about a radiant smile but also heart health. Regular dental check-ups, proper brushing and flossing techniques, and a balanced diet can all contribute to better oral health and, in turn, a healthier heart. So, let's not forget the power of our toothbrush in promoting overall well-being!


The link between oral health and heart rate variability is a compelling reminder of the interconnectedness of our body systems. It inspires us to adopt a holistic approach to health and wellness, where oral health is not an isolated aspect but a significant player in overall well-being. So, the next time you pick up your toothbrush, remember—you’re not just ensuring a bright smile but also contributing to a healthier heart!

Learn how Optimal HRV can help you improve your overall health at


bottom of page