Dental crowns often come to mind when considering dental health as a solution for various issues, ranging from protecting weak teeth to improving aesthetics. However, a common concern arises: can you get cavities under dental crowns? Understanding the risks associated with dental crowns is essential for maintaining oral health and ensuring the longevity of your dental treatments.
What Are Dental Crowns?
Dental crowns are custom-made caps that cover teeth to restore their shape, size, strength, and appearance. At The Clock Dental Practice, we utilise crowns for several reasons. They can protect a weakened tooth from breaking, restore an already broken tooth, or support it with a large filling when there isn’t enough tooth structure. Crowns can also improve the appearance of discoloured or misshapen teeth, helping you achieve a smile that lights up your life.
Despite their numerous benefits, it’s crucial to understand that dental crowns are not impervious to issues. The surrounding tooth structure remains vulnerable, and if proper dental hygiene is not maintained, problems—including cavities—can develop beneath or around the crown.
The Risks of Cavities Under Dental Crowns
One of the primary risks associated with dental crowns is the potential for cavities to form beneath them. This risk is particularly prevalent in cases where the tooth has been significantly compromised, or the crown is not adequately sealed. If bacteria infiltrate the space between the crown and the tooth, they can lead to decay.
Poor oral hygiene practices can accelerate this process. Plaque and tartar build up around the crown, creating an environment conducive to cavities. Furthermore, gaps can form if the dental crown is not fitted correctly or becomes loose over time, allowing bacteria to enter and cause decay. Regular visits to our hygienist at The Clock Dental Practice can help monitor the health of your crowns and surrounding teeth, promptly addressing any potential issues.
Signs of Tooth Decay Under a Crown
It’s crucial to be vigilant about signs of decay, particularly if you have dental crowns. Some symptoms to watch for include:
- Sensitivity: If you experience heightened sensitivity to hot or cold temperatures in the crowned tooth may indicate an underlying issue. This sensitivity can occur if the tooth beneath the crown has begun to decay or if the crown is not fitting correctly.
- Pain or Discomfort: Persistent pain in the area of the crown can signal decay or other dental issues. If you experience discomfort, it’s advisable to schedule an appointment with our team to evaluate the situation.
- Visible Changes: Occasionally, you may notice discolouration or changes in the crown’s appearance or surrounding gum tissue. This can signal decay or an infection that warrants immediate attention.
- Bad Breath or Unpleasant Taste: Chronic bad breath or a persistent bad taste in your mouth can be signs of an underlying infection, possibly due to decay beneath a crown.
If you notice any of these symptoms, contact The Clock Dental Practice immediately. Our experienced team can provide thorough evaluations and recommend appropriate treatment options to address any issues.
Preventing Cavities Under Dental Crowns
Prevention is the best approach to avoiding cavities under dental crowns. Establishing a robust oral hygiene routine is paramount. Here are several strategies to help maintain your dental crowns and prevent decay:
- Maintain Good Oral Hygiene: Brushing your teeth at least twice daily and flossing daily can help remove plaque and prevent it from accumulating around your crowns. Using an antibacterial mouthwash can also be beneficial in keeping your mouth free of harmful bacteria.
- Regular Dental Checkups: Routine visits to The Clock Dental Practice allow our team to monitor the condition of your crowns and surrounding teeth. We can identify any potential issues early on, ensuring swift intervention.
- Avoid Hard Foods: While crowns are designed to withstand significant pressure, they can still be damaged. Avoiding hard foods can help protect your crowns and the underlying tooth structure.
- Limit Sugary Foods and Drinks: Sugar is a primary contributor to tooth decay. Limiting your intake of sugary foods and beverages can help reduce the risk of cavities forming beneath your crowns.
- Consider a Night Guard: A custom night guard can protect your crowns and natural teeth from excessive wear and damage if you grind your teeth at night.
What to Do If You Suspect Decay Under a Crown
If you suspect that you have developed a cavity under your dental crown, the first step is to contact The Clock Dental Practice. Our skilled dental professionals can conduct a thorough examination, including using advanced technology such as CBCT scans for precise diagnoses. Depending on the extent of the decay, treatment options may include replacing the crown or performing a root canal if the decay has reached the tooth’s pulp.
At The Clock Dental Practice, we prioritise your comfort and strive to provide a pain-free experience during all procedures. Our commitment to high-quality care ensures that your dental health is in good hands, allowing you to achieve and maintain the smile of your dreams.
In summary, while dental crowns are a valuable tool in restorative dentistry, it’s essential to remain proactive about oral health to prevent cavities beneath them. By practising good hygiene and attending regular dental checkups, you can significantly reduce your risk of complications and enjoy the benefits of your dental crowns for years.

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