If you’ve recently been told that you have a cavity, you’re not alone. Cavities are one of the most common dental issues, affecting millions of people every year. With the myriad of issues that can arise if left untreated, it pays to understand how to know if you have a cavity.
In this guide, we’ll break down everything you need to know about cavities, including symptoms, risks, types, and available treatments to keep your smile healthy.

How to Know If You Have a Cavity
Cavities don’t always cause immediate pain, which is why regular dental checkups are crucial for early detection. However, here are some common symptoms that might indicate you have a cavity:
- Sensitivity to hot, cold, or sweet foods and drinks
- Toothache or spontaneous pain
- Visible holes or pits in the teeth
- Dark spots or discoloration on the tooth surface
- Pain when biting down
- Bad breath or a persistent bad taste in your mouth
If you’re experiencing any of these symptoms, it’s important to see a dentist as soon as possible to prevent the cavity from worsening.
The Dangers of Untreated Cavities
Ignoring a cavity can lead to more serious dental problems. Without treatment, cavities can progress and cause complications, including:
- Increased Pain: A minor cavity may not hurt at first, but as it worsens, it can cause severe discomfort.
- Tooth Infections: Untreated cavities can reach the inner layers of the tooth, leading to infections and abscesses.
- Tooth Loss: If decay progresses too far, the tooth may need to be extracted.
- Gum Disease: Bacteria from cavities can spread to the gums, leading to inflammation and periodontal disease.
- Overall Health Issues: Oral infections can enter the bloodstream and increase the risk of conditions like heart disease and diabetes.
Slow-Moving Cavities and Watchful Waiting
Not all cavities progress at the same rate. Some cavities, especially those in their early stages, develop very slowly and may not require immediate intervention.
In such cases, a dentist may recommend a “watchful waiting” approach, where they closely monitor the problem spot over time rather than proceeding with a filling right away.

A dentist may put a cavity on watch if:
- The decay is small and not progressing rapidly
- The patient maintains good oral hygiene and follows preventive care recommendations
- Fluoride treatments or improved dental habits may help remineralize the affected area
Regular dental visits are essential in these situations to ensure the cavity does not worsen. If the decay begins to progress, appropriate treatment can be administered before it leads to more significant dental problems.
Types of Cavities and Their Impact
Not all cavities are the same. Understanding the different types can help you determine the best course of treatment.
- Pit and Fissure Cavities: These occur on the chewing surfaces of the molars, where food particles and bacteria easily accumulate.
- Smooth Surface Cavities: Found on the flat surfaces of teeth, these develop when plaque builds up due to poor oral hygiene.
- Root Cavities: These form on the root of the tooth, often due to gum recession exposing the softer root tissue.
- Recurrent Cavities: Occurring around existing fillings or dental restorations, these require careful monitoring.
How Cavities Are Treated
Fortunately, cavities can be treated and managed effectively with professional dental care.
Treatment options include:
- Dental Fillings: The most common treatment for cavities. Fillings help restore the structure and function of the affected tooth.
- Dental Crowns: For larger cavities or weakened teeth, crowns provide added protection and strength.
- Root Canal Therapy: If decay reaches the inner pulp of the tooth, a root canal may be necessary to save the tooth.
- Fluoride Treatment: In the early stages, fluoride treatments can help remineralize and reverse minor cavities.
- Tooth Extraction: In cases where a cavity is too severe to be treated, tooth removal may be the only option.
Preventing Future Cavities

The best way to avoid future cavities is through proper oral hygiene and regular dental visits. Here are some preventive measures you can take:
- Brush your teeth twice a day with fluoride toothpaste.
- Floss daily to remove plaque and food particles between teeth.
- Limit sugary foods and drinks that contribute to tooth decay.
- Stay hydrated to promote saliva production, which helps protect teeth.
- Visit your dentist every six months for checkups and cleanings.
Let Access Dental Help Restore Your Smile
So you have a cavity—don’t wait until it gets worse. At Access Dental, we provide comprehensive cavity treatments, from fillings to crowns and everything in between.
Our skilled dental professionals are here to help you regain a healthy, confident smile.
Schedule an appointment with Access Dental today and take the first step toward better oral health!