Unseen Issues: 3 Signs You Might Have Hidden Cavities
August 9, 2025

Although brushing and flossing are simple and effective ways to prevent many common oral issues, there’s no guarantee that you’ll never get a cavity. Unfortunately, bacteria can collect in places that are harder to see and clean, like behind your molars or between two teeth, and cause decay.
If you’re unsure whether you might have a hidden concern, continue reading to learn more about 3 indicators that let you know you might have interproximal cavities, so you know when to contact your dentist for help!
Sign #1: Sensitivity
You might think of your teeth as solid blocks of enamel in your mouth, but the truth is that they have several layers. The hard outer shield protects the more tender layer of dentin beneath, which contains microscopic tubules that extend into the pulp chamber inside. This transmits sensations, like changes in pressure or temperature, to the nerves inside your teeth, resulting in discomfort.
Cavities occur when bacteria in your mouth produce acids that erode the hard enamel on your teeth, exposing the softer layers beneath and causing sensitivity. This type of mild ache can point to a hidden issue.
Sign #2: Discoloration
Staining can also be a potential indicator that you have developed tooth decay somewhere you otherwise can’t see. Not only is the dentin beneath your enamel softer and full of tubules, but it’s also darker. As the tough exterior thins, more of the deeper tone can shine through the somewhat translucent material, tinting your teeth more yellow or brown than pearly white. If your teeth are discolored and you can’t think of a reason why, it might be due to caries.
Sign #3: Bad Breath
It’s normal to have smelly breath when you first wake up in the morning because it’s been several hours since you brushed your teeth the night before. However, if you notice an unpleasant scent or taste in your mouth that persists all day and night regardless of brushing, flossing, or rinsing with mouthwash, then you might have developed decay.
Bacteria in your mouth that cause cavities produce volatile sulfur compounds (VSCs) that have a foul odor. Furthermore, hidden pits between your teeth can more easily trap bits of food that attract additional germs, which only exacerbates the problem.
Your dentist can take an X-ray to determine for sure whether your enamel is decayed or has cavities and provide a potential treatment plan, like a root canal or tooth-colored fillings, based on their findings.
About the Practice
At Village Dental Cosmetic & General Dentistry, patients benefit from two dentists dedicated to helping them build and maintain healthy, beautiful smiles. Dr.Cercek and Dr. Rodriguez share over a decade of combined experience and collaborate to offer a comprehensive menu of top-quality services, including preventive and restorative services to address tooth decay. If you’re concerned you have hidden cavities, you can request an appointment on the website or call (775) 827-1113.
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