Why Airway Assessment Matters in Dentistry: More Than Just Breathing

When you visit the dentist, you probably expect your teeth and gums to be checked. What may surprise you is that your dental team is also paying attention to something just as important: your airway. 

Your airway—the passage that allows air to move from your nose and mouth to your lungs—plays a critical role in sleep, breathing, oral health, and overall wellness.  

Research shows that airway health is closely connected to issues like sleep quality, teeth grinding, gum disease, jaw discomfort, and even chronic conditions such as heart disease and diabetes. Because the airway passes directly through the mouth and throat, dentistry is uniquely positioned to help identify airway concerns early.  

What Is an Airway Assessment? 

An airway assessment is a screening process that helps dental professionals identify signs that breathing may be restricted—especially during sleep. Dentists and dental hygienists do not diagnose medical sleep disorders, but they are trained to recognize risk factors and oral signs that may indicate airway problems.  

During a routine dental visit, your provider may assess: 

• The size and position of your tongue 
• The shape of your palate (roof of the mouth) 
• Jaw position and bite relationship 
• Signs of mouth breathing or dry mouth 
• Tooth wear from clenching or grinding 
• Soft tissue features in the throat 

These observations help determine whether a referral to a medical provider or sleep specialist may be appropriate. Screening tools and questionnaires may also be used to assess sleeprelated risk and determine whether medical referral is needed.   

Why the Airway Is So Important to Oral Health 

Sleep and Breathing Affect the Mouth
When the airway is restricted—especially during sleep—people may snore, stop breathing briefly, or switch to mouth breathing. Mouth breathing reduces saliva flow, which normally helps protect teeth and gums. This can increase the risk of cavities, gum inflammation, and bad breath.  

Teeth Grinding and Jaw Pain
Airway obstruction during sleep is strongly associated with sleep bruxism (teeth grinding). Grinding is thought to be a stress response that occurs when the body struggles to maintain airflow. Over time, this can lead to worn teeth, cracked restorations, jaw pain, and headaches—issues dentists often see first.  

Gum Disease and Inflammation
Poor sleep and airwayrelated breathing disorders are linked to increased inflammation in the body. Since gum disease is an inflammatory condition, sleep disruption and airway problems may worsen periodontal health or slow healing. Studies suggest a bidirectional relationship between sleep disorders and periodontitis.  

The Takeaway 

Your mouth is not separate from your body—and neither is your airway. 

Airway assessment in dentistry helps connect the dots between oral health, sleep, breathing, and wholebody wellness. By paying attention to airway health, dental professionals can help identify risks earlier, support better sleep, and contribute to improved quality of life. 

If you experience symptoms like loud snoring, daytime fatigue, jaw pain, teeth grinding, or chronic dry mouth, talk with your dental provider. Sometimes, the path to better health really does start with a closer look inside your mouth. 

Read More: 

American Dental Association. Sleep apnea (obstructive). ADA Oral Health Topics. Updated Jan 9, 2023. Available from: https://www.ada.org/resources/ada-library/oral-health-topics/sleep-apnea-obstructive 

Chen L, Nini W, Jinmei Z, Jingmei Y. Implications of sleep disorders for periodontitis. Sleep Breathing. 2023;27:1655–1666. doi:10.1007/s11325-022-02769-x