How to Tell If You Have a Cavity: Signs, Symptoms, and What to Do Next
- Arcadia Medi-Dental Group
- Aug 6
- 3 min read
Have you ever felt a little twinge in your tooth and wondered, “Could this be a cavity?” Don’t worry—you’re not alone!
At Arcadia Medi-Dental Group, we understand that oral health can sometimes feel like a mystery. That’s why we’re here to break down the signs of a cavity in a simple, caring, and informative way — so you can feel confident about your dental health and know when to give your local Arcadia dentist a call.
What Is a Cavity?
A cavity is a tiny hole or area of decay in your tooth caused by harmful bacteria. It often starts small and may not be noticeable right away — but over time, it can lead to pain, infection, and more serious dental problems if left untreated.
That’s why early detection and routine dental check-ups are so important!
6 Common Signs You Might Have a Cavity
Here are some of the most common signs and symptoms that might mean you have a cavity:
1. Tooth Sensitivity
If you feel a sharp pain or sensitivity when eating hot, cold, or sweet foods, it could be a sign that the enamel (the protective outer layer of your tooth) has been worn down by decay.
2. Toothache or Spontaneous Pain
Pain that comes and goes without a clear reason — or a dull, throbbing toothache — is a major red flag. Even if it seems minor, it’s worth getting checked by a trusted Arcadia dentist.
3. Visible Holes or Pits
Can you see a dark spot or tiny hole in your tooth when you look in the mirror? Cavities can create visible damage on the tooth’s surface. These may be dark brown, black, or even white in early stages.
4. Discoloration
Early cavities might show up as white spots, and as the decay worsens, those spots may turn brown or black. If you notice any discoloration that doesn't go away, it’s a good idea to schedule a check-up.
5. Pain When Biting or Chewing
If your tooth hurts when you chew, especially when eating something crunchy or sticky, it could be due to pressure on a decayed area of the tooth.
6. Bad Breath or Unpleasant Taste
Cavities are caused by bacteria — and bacteria can lead to bad breath or a persistent bad taste in your mouth, even with good brushing habits.
What to Do If You Think You Have a Cavity
If you’re noticing any of these signs, don’t wait! Cavities are easiest (and most affordable) to treat when caught early.
At Arcadia Medi-Dental Group, we make dental care comfortable, compassionate, and judgment-free. Whether it’s your first cavity or your tenth, we’re here to help you get back to smiling confidently.
We offer:
Gentle cavity fillings
Comprehensive dental exams
Digital X-rays for accurate diagnosis
Preventive care and fluoride treatments
How to Prevent Cavities
Prevention is key — and it’s easier than you might think! Here’s what we recommend to our Arcadia and wider San Gabriel Valley community:
Brush twice a day with fluoride toothpaste
Floss daily
Limit sugary snacks and drinks
Visit your dentist every 6 months for a cleaning and exam
Your Smile Is in Good Hands
If you live in Arcadia, Monrovia, Temple City, Pasadena, or surrounding areas, our team at Arcadia Medi-Dental Group is here to care for you like family. Whether you're worried about a cavity or just need a routine check-up, we’re ready to make your visit as easy and stress-free as possible.
Book Your Appointment Today
Don’t let a small cavity turn into a big problem. Schedule your dental visit today by calling (626) 445-8048.
📍 311 E Live Oak Ave, Arcadia, CA 91006
We can't wait to see you smile!
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