Cavities are one of the most common dental issues, but not all of them are easy to spot. Some form in hidden areas—like between your teeth—where they can quietly grow until they cause pain or damage. These “interproximal cavities” often go unnoticed without the help of a dentist, but there are signs you can watch for and ways to prevent them from forming in the first place.
What Causes Cavities Between Teeth?
Cavities develop when bacteria in your mouth feed on leftover sugars and starches, producing acids that erode tooth enamel. The spaces between teeth are particularly vulnerable because they’re harder to clean thoroughly. If food particles or plaque get trapped in these areas, decay can start to form and spread beneath the surface.
Skipping flossing, snacking frequently on sugary foods, or not getting regular dental checkups can all increase your risk of developing cavities between teeth. Even if you brush regularly, a toothbrush can’t reach those tight spaces effectively on its own.
Common Signs of a Hidden Cavity
Because interproximal cavities develop between teeth, they often don’t cause noticeable symptoms right away. However, as the decay worsens, you may begin to experience:
- Sensitivity when eating or drinking something hot, cold, or sweet
- Discomfort or pain when biting down
- A dark spot or shadow visible between teeth
- Food frequently getting stuck in the same area
- Bad breath or a persistent bad taste in your mouth
If you’re experiencing any of these symptoms, it’s important to schedule a dental exam. Early detection can prevent the need for more extensive treatment later on.
How Dentists Detect Cavities Between Teeth
Dentists use X-rays to identify cavities that can’t be seen with the naked eye. During your routine checkup, bitewing X-rays show the spaces between your teeth, allowing your dentist to spot early decay before it becomes painful or requires a large filling.
If a cavity is found, your dentist will remove the decay and restore the tooth with a filling that blends seamlessly with your natural enamel. In more advanced cases, a dental crown may be needed to strengthen and protect the tooth.
Preventing Cavities in Hard-to-Reach Areas
The best defense against interproximal cavities is maintaining a consistent oral hygiene routine. Make sure to:
- Floss daily: Flossing removes plaque and debris from areas your toothbrush can’t reach.
- Brush twice a day: Use fluoride toothpaste to strengthen enamel and protect against acid erosion.
- Limit sugary foods and drinks: Reducing sugar intake helps minimize bacterial activity.
- Visit your dentist regularly: Professional cleanings and X-rays allow your dentist to catch decay early.
For added protection, your dentist may also recommend fluoride treatments or dental sealants to guard against decay in vulnerable areas.
Early Action Saves Your Smile
Cavities between teeth can be tricky to spot, but they’re easily preventable with good habits and regular dental care. Catching decay early means simpler, less invasive treatment and a healthier smile overall.
About the Practice
Frandsen Dental of Orem provides advanced restorative and preventive care designed to keep smiles healthy for life. Our dental team offers personalized treatments—from fillings to crowns—that restore strength, function, and confidence.
Call us at (801) 224-7900 or request an appointment online.