Concerns About Darkening Crowns and Gum Recession: What to Do? - Dentistry

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Darkening of the dental crown and gingival recession?


Hello, doctor.
I have a gap between the crown of my front tooth and the gum that I can fit my fingernail into.
Is this likely to lead to cavities in my front tooth? I don't know why, but I feel like my teeth are in bad shape, which is making me feel frustrated.

Willy Lee, 10~19 year old female. Ask Date: 2024/07/09

Dr. Lin Jiayong reply Dentistry


Hello: If there is a noticeable gap between the dentures and the natural teeth, it could indeed lead to secondary cavities.
It is recommended to visit a dental diagnostic department at a medical center to identify the underlying causes of the extensive dental decay (such as systemic diseases, genetic factors, lifestyle habits, medication effects, etc.).

Reply Date: 2024/07/09

More Info


When it comes to concerns about darkening crowns and gum recession, it’s essential to understand the implications of these issues on your dental health. The gap you mentioned between your dental crown and gums can indeed be a cause for concern, as it may create a space where plaque and bacteria can accumulate, potentially leading to tooth decay or gum disease.

Firstly, let’s address the issue of the gap itself. If you can fit a fingernail into the space between your crown and gums, it indicates that there is a significant gap that should not be present. This gap can allow food particles and bacteria to enter, which can lead to cavities in the underlying tooth structure, especially if the crown is not properly sealed. Additionally, the presence of bacteria can contribute to gum recession, which is the process where the gum tissue pulls away from the tooth, exposing more of the tooth or its root.

Darkening of the crown can also be a sign of underlying issues. Crowns can darken due to various reasons, including the degradation of the materials used, staining from food and beverages, or even the underlying tooth structure becoming discolored. If the crown is made of porcelain or ceramic, it may stain over time, especially if you consume staining substances like coffee, tea, or red wine. However, if the darkening is due to the underlying tooth structure, it may indicate decay or other dental issues that need to be addressed.

Given your feelings of distress regarding your dental health, it’s crucial to take proactive steps. Here are some recommendations:
1. Consult Your Dentist: Schedule an appointment with your dentist as soon as possible. They can assess the gap and the condition of your crown and gums. They may recommend a cleaning to remove any plaque buildup and evaluate whether the crown needs to be replaced or adjusted.

2. Oral Hygiene: Maintain a rigorous oral hygiene routine. Brush your teeth at least twice a day with fluoride toothpaste, and don’t forget to floss daily. This will help reduce plaque buildup and prevent further gum recession and decay.

3. Dietary Considerations: Be mindful of your diet. Limit sugary and acidic foods that can contribute to tooth decay. Incorporate more fruits, vegetables, and whole grains into your diet, and stay hydrated with water.

4. Regular Dental Check-ups: Ensure you have regular dental check-ups, typically every six months. This allows for early detection of any issues and helps maintain your overall oral health.

5. Consider Professional Cleaning: If you haven’t had a professional cleaning in a while, it may be beneficial. A dental hygienist can remove tartar and plaque that regular brushing may miss.

6. Addressing Gum Recession: If gum recession is significant, your dentist may discuss options for treatment, such as gum grafting, to restore the gum tissue.

7. Stay Informed: Educate yourself about dental health. Understanding the importance of gum health and the potential risks associated with gaps and darkening crowns can empower you to take better care of your teeth.

In conclusion, while the gap between your crown and gums may pose a risk for decay, taking immediate action by consulting with your dentist and improving your oral hygiene can help mitigate these risks. Remember, dental health is an integral part of your overall well-being, and addressing these concerns promptly can lead to better outcomes. Don’t hesitate to reach out to your dental professional for guidance and support.

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