Should You Get Crowns for Your Wisdom Tooth and Second Molar?

Wisdom tooth root canal treatment

Hello, Dr.
Huang.
Over two years ago, I lost my first molar, and my second molar has undergone root canal treatment.
Currently, my wisdom tooth is also undergoing root canal treatment.
The doctor has suggested that I should get crowns for both my second molar and wisdom tooth.
My wisdom tooth is well-aligned, and I was informed that if I do not get a crown for it, it may eventually crack and require extraction.
The issue is that if I have my wisdom tooth extracted, I will only have my second molar left for occlusion.
Should I proceed with crowns for both my second molar and wisdom tooth? The doctor mentioned that metal crowns are the most durable.
Thank you.

Xiao Mei, 30~39 year old female. Ask Date: 2016/08/17

Dr. Huang Zhicheng reply Dentistry

Hello, it is recommended to place a crown on teeth after root canal treatment to prevent the risk of fracture or breakage during eating in the future.
Teeth that have undergone root canal therapy no longer receive nutrient supply, making them more prone to brittleness.
Therefore, it is advised that patients have a crown placed after root canal treatment to avoid the occurrence of further decay or fractures.
Wishing you health and safety.
Sincerely, Dr.
Chih-Cheng Huang, Attending Physician, Department of Dentistry, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2016/08/17

More Info

When considering whether to get crowns for your wisdom tooth and second molar, it's essential to weigh the potential benefits against the risks and your current dental health situation. Based on the information provided, you have undergone root canal treatment on your second molar, and your wisdom tooth is also undergoing root canal treatment. Your dentist has recommended crowns for both teeth, which is a common practice in dentistry.

Why Crowns Are Recommended
1. Protection After Root Canal Treatment: After a tooth undergoes root canal therapy, it loses its vitality and becomes more brittle. Crowns are recommended to protect these teeth from fractures and further damage. The crown acts as a protective cap that helps distribute biting forces evenly, reducing the risk of the tooth breaking.

2. Preventing Future Issues: Without a crown, the treated tooth is at a higher risk of cracking or breaking, which could lead to the need for extraction. If your wisdom tooth is already compromised and at risk of fracture, placing a crown can help prolong its life and functionality.

3. Maintaining Bite and Alignment: If your wisdom tooth is extracted, your second molar will bear the brunt of the chewing forces alone. This can lead to overloading and potential issues with the second molar over time. Having both teeth crowned can help maintain proper alignment and function.

Considerations for Your Decision
- Current Condition of the Wisdom Tooth: If your wisdom tooth is structurally sound and has a good prognosis after the root canal, placing a crown is advisable. However, if the tooth is severely compromised or if there are concerns about its long-term viability, extraction might be a better option.

- Longevity and Material Choice: Your dentist mentioned that metal crowns are the most durable option. Metal crowns, such as those made from gold or other alloys, are known for their strength and longevity. However, they may not be aesthetically pleasing. Porcelain-fused-to-metal crowns offer a balance between durability and appearance but may not be as strong as all-metal crowns. Discuss with your dentist the best material based on your lifestyle and aesthetic preferences.

- Financial Considerations: Crowns can be a significant investment. Check with your dental insurance to see what is covered and consider the long-term benefits of preserving your teeth versus the cost of potential extractions and replacements in the future.

Conclusion
In summary, getting crowns for both your wisdom tooth and second molar is generally advisable, especially after root canal treatments. This will help protect these teeth from future damage and maintain your overall dental health. However, it’s crucial to have an open discussion with your dentist about the condition of your wisdom tooth, the potential for extraction, and the best materials for your crowns. Ultimately, the decision should be based on a comprehensive evaluation of your dental health, personal preferences, and financial considerations.

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