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Fedoricw, Massoumi, & Kolbig

How Stress Affects Oral Health

woman with giant stressed tooth in front of her face

Welcome to our latest blog post, where we delve into the often overlooked connection between stress and oral health. While many of us are aware of the mental and emotional tolls of stress, its impact on our oral health is less frequently discussed but equally important. From teeth grinding to gum disease, stress can manifest in various ways that compromise both the health and aesthetics of your smile. In this post, we will explore the specific ways in which stress affects oral health and offer practical advice on how to safeguard your dental well-being during stressful times. Whether you’re facing deadlines, juggling personal commitments, or navigating life’s unexpected challenges, understanding how to manage stress can be a key component in maintaining not just a healthy smile, but overall well-being.

In This Blog:

  • How Stress Affects the Body
  • How Stress Affects Oral Health
  • Strategies to Protect Oral Health During Stressful Times

How Stress Affects the Body

Stress is more than just a feeling of being overwhelmed or anxious; it’s a comprehensive response by your body to perceived threats or demands. This response, often called the “fight-or-flight” reaction, involves a complex interplay of physical and chemical changes that affect nearly every system in the body, including the nervous, endocrine, and immune systems.

Nervous System Activation

When stressed, your body’s central nervous system (CNS) immediately responds by releasing stress hormones including adrenaline and cortisol. These hormones prepare the body for immediate physical action by increasing heart rate, blood pressure, and energy supplies. While these changes are vital for acute situations where a physical response is necessary, frequent activation can lead to health issues.

Endocrine System Response

The endocrine system plays a crucial role in regulating stress responses through the adrenal glands, which secrete cortisol. This hormone helps to mobilize energy by increasing glucose in the bloodstream, but it also suppresses non-essential functions in a fight-or-flight situation, such as digestive, reproductive, and growth processes. Over time, high levels of cortisol can lead to significant health problems, such as chronic fatigue, impaired cognitive performance, and suppressed thyroid function.

Impact on the Immune System

One of the most critical effects of chronic stress is on the immune system. While short-term stress can boost the immune response, chronic stress has the opposite effect. It suppresses the immune system, which increases susceptibility to infections and slows down healing processes. This vulnerability can be particularly problematic for oral health, as it may lead to an increased risk of infections, such as periodontal disease.

Cardiovascular Effects

Stress responses also affect the cardiovascular system. Adrenaline and cortisol increase heart rate and blood pressure, which can strain the cardiovascular system. Over time, chronic stress can contribute to inflammation in the cardiovascular system, leading to heart disease or worsening existing conditions.

Gastrointestinal Effects

Stress can affect the entire digestive system. It can cause spasms in the esophagus and increase the acid in the stomach, which may result in indigestion or heartburn. Stress doesn’t cause ulcers but it can increase the risk or exacerbate existing ulcers. Additionally, stress can affect the way food moves through your body, leading to diarrhea or constipation.

Understanding how stress impacts the body provides a clearer picture of why managing stress is so important for maintaining overall health, including oral health. By addressing stress, you can help mitigate its effects on your body and reduce the risk of developing related health issues.

How Stress Affects Oral Health

Teeth Grinding (Bruxism):

One of the most common oral health issues associated with stress is bruxism, which involves clenching the jaw and grinding the teeth, usually during sleep. Over time, this can wear down tooth enamel, lead to tooth sensitivity or fractures, and cause pain in the jaw joints and muscles.

Gum Disease:

Stress impacts the immune system’s ability to fight infection, including gum infections. Chronic stress can lead to an increased risk of periodontal disease, characterized by swollen, tender, or bleeding gums. If left untreated, gum disease can result in tooth loss and has been linked to other serious health conditions, including heart disease.

Canker Sores:

These small, painful ulcers inside the mouth can be triggered by stress. While they are not dangerous, they can be quite uncomfortable and can interfere with eating and speaking.

Dry Mouth:

Stress can affect the body’s ability to produce saliva, leading to a condition known as dry mouth. Saliva is essential for neutralizing acids produced by bacteria in the mouth, aiding in digestion, and preventing decay and oral infections.

Poor Oral Hygiene:

High stress levels can lead to neglect of personal care, including oral hygiene. This can increase the risk of dental plaque buildup, tooth decay, and gum disease.

Strategies to Protect Oral Health During Stressful Times

Maintain Good Oral Hygiene:

It’s crucial to stick to your oral hygiene routine of brushing twice a day and flossing daily. This can help prevent many of the issues associated with stress, such as cavities and gum disease.

Visit Your Dentist Regularly:

Regular dental check-ups can help catch and address any signs of stress-related oral health problems early. Your dentist can also provide protective measures like a custom nightguard to prevent damage from teeth grinding.

Manage Stress:

Incorporating stress management techniques into your routine can significantly reduce its impact on your health. Consider activities such as yoga, meditation, deep breathing exercises, or even professional counseling to better manage stress.

Stay Hydrated and Eat Healthily:

Drinking plenty of water can help mitigate the effects of dry mouth. A balanced diet, rich in vegetables, fruits, lean proteins, and low in sugary snacks and acidic beverages, supports good oral health and overall well-being.

Avoid Harmful Habits:

Try to reduce or avoid smoking and excessive alcohol consumption, as these can exacerbate oral health problems and contribute to stress.


Understanding the link between stress and oral health is the first step in protecting your smile from the negative effects of stress. By maintaining a robust oral hygiene regimen, managing stress effectively, and keeping regular dental appointments, you can ensure that your smile remains healthy and bright, even during challenging times. Remember, taking care of your oral health is an integral part of taking care of your overall health.

Dr. Roman Fedorciw has been in private practice in Cromwell since 1991. He is a member of the Academy of General Dentistry, American Academy of Cosmetic Dentistry and the American Dental Association. He is also a member of the Connecticut Dental Association and Middlesex County Dental Association. Dr. Fedorciw has been acknowledged by his peers as one of the “Top Dentists” in Hartford County by Hartford Magazine and in the state of Connecticut by Connecticut Magazine.