Exercise is Good for You, Right? 3 Ways It Can Harm Your Oral Health

July 15, 2026

Older people using treadmills at gym.

Regular exercise is one of the best things you can do for your overall health. However, certain workout habits and sports-related activities can unexpectedly put your oral health at risk. From dental injuries to enamel erosion, active individuals may face dental emergencies if they aren’t careful. Learn more below about 3 ways exercise can harm your oral health and how you can protect your smile.

1. Sports Injuries Can Lead to Dental Emergencies

Whether you’re playing football, basketball, soccer, hockey, or another contact sport, accidents happen. A collision with another player, a fall, or an impact from a ball can chip, crack, loosen, or even knock out a tooth.

These injuries require immediate attention from an emergency dentist. In the case of a knocked-out permanent tooth, acting quickly can significantly increase the chances of saving it. If possible, carefully pick the tooth up by the crown (not the root), gently rinse it if it’s dirty, and try placing it back into its socket. If that isn’t possible, keep it in a container of milk or saliva and seek emergency dental care immediately.

The best way to prevent sports-related dental injuries is by wearing a properly fitted mouthguard whenever you participate in activities that carry a risk of facial impact.

2. Sports Drinks Can Weaken Tooth Enamel

Many athletes rely on sports drinks to replenish electrolytes during intense exercise. While these beverages may be beneficial during prolonged or vigorous physical activity, many are highly acidic and contain significant amounts of sugar.

Frequent exposure to these acids can gradually erode tooth enamel, while sugar feeds cavity-causing bacteria. Sipping sports drinks throughout a workout prolongs the amount of time your teeth are exposed to harmful ingredients.

For most workouts lasting less than an hour, water is usually the best choice for staying hydrated. If you do consume a sports drink, rinse your mouth with water afterward to help wash away acids and sugars.

3. Teeth Grinding During Physical Activity

Many people unknowingly clench or grind their teeth while lifting weights or participating in strenuous exercise. This excessive pressure can lead to worn enamel, chipped teeth, cracked dental restorations, and jaw pain over time.

If you notice yourself clenching your jaw during workouts, try focusing on relaxing your facial muscles and maintaining good breathing techniques. If clenching has already caused damage or discomfort, your dentist can evaluate your bite and recommend appropriate treatment.

Exercise is an important part of a healthy lifestyle, but protecting your teeth should be part of your fitness routine as well. Wearing a mouthguard, choosing water over sugary sports drinks when appropriate, and avoiding unnecessary jaw clenching can go a long way toward preventing dental injuries.

About the Practice

Have sports or another physical activity landed you in the middle of a dental emergency? Time is of the essence, and that’s why we feature same-day appointments for patients who’ve suffered an unfortunate accident. Your care and recovery should be your priority, not worrying about if you can afford it – that’s why affordable in-office membership plans are available should you need one. Act quickly if you’re in an urgent situation and call our Sparks, NV office immediately at (775) 626-3535 or schedule your appointment online.