Wisdom Teeth: Common Issues and Concerns Explained

Wisdom teeth

Hello Dr.
Liu,
I have issues with both of my upper and lower wisdom teeth on the right side:
1.
The upper right wisdom tooth has visible decay on its surface.
Does this indicate that the cavity inside is severe? This tooth has fully erupted.
If I do not extract it, could it lead to decay in the adjacent teeth?
2.
The lower right wisdom tooth has not fully erupted and is partially covered by gum tissue.
Is there a risk involved in extracting this tooth? If it is removed, will the gum tissue grow back? What would happen if one day the gum tissue completely covers this wisdom tooth?
3.
Will having all my wisdom teeth extracted make me less intelligent or worsen my memory?
4.
Additionally, older generations say that wisdom teeth should not be extracted because when one gets older, they may need dentures, and it could be difficult to fit them properly.

I apologize for asking so many questions.
Thank you!

Miss Ou, 20~29 year old female. Ask Date: 2003/06/04

Dr. Liu Tiancai reply Dentistry

Hello! Generally speaking, the fate of wisdom teeth on the same side is intertwined, meaning that if one needs to be extracted, the other should also be removed to prevent future eruption that could cause occlusal interference and lead to cavities in adjacent teeth.

1.
The dark spots on the surface of the upper right wisdom tooth do not necessarily indicate cavities; only a cavity with a "hole" is considered a dental caries.

2.
The lower right wisdom tooth is not fully erupted and is likely impacted, indicating that it is pressing against the adjacent teeth.
This can often lead to cavities, gum inflammation, or even cellulitis, so it should not be taken lightly.
An X-ray and further evaluation at a hospital are recommended.

3.
The decision to keep or remove wisdom teeth is not related to "wisdom."
4.
Healthy teeth should not be extracted; tooth extraction is reserved for teeth that are damaged and should only be done when absolutely necessary.

Best wishes for your health,
Dr.
Liu Tian-Cai, Director of Dentistry, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2003/06/04

More Info

Hello! Thank you for your questions regarding wisdom teeth and the concerns surrounding them. Wisdom teeth, or third molars, often present various issues, especially when they are partially erupted or impacted. Let's address your concerns one by one.

1. Cavities in Wisdom Teeth: If you notice black spots on the surface of your upper right wisdom tooth, it is likely indicative of decay. Cavities can progress deeper into the tooth structure, potentially affecting the pulp, which can lead to more severe pain and infection if left untreated. If this tooth is not extracted, there is a risk that the decay could spread to adjacent teeth, especially if they are in close proximity. Regular dental check-ups and X-rays can help monitor the situation and determine the best course of action.

2. Impacted Wisdom Teeth: Your lower right wisdom tooth being partially erupted and covered by gum tissue (often referred to as being "impacted") can lead to several complications, including infection, pain, and the potential for the development of cysts. If extraction is necessary, it is generally a safe procedure, but like any surgery, it carries some risks. After extraction, the gum tissue typically heals, and in many cases, the tissue will retract or flatten out, but it may not grow back to its original state. If the tooth remains impacted, it can cause ongoing issues, including pain and infection.

3. Cognitive Effects of Tooth Extraction: There is no scientific evidence to suggest that having wisdom teeth removed will lead to cognitive decline or memory issues. The concerns about cognitive function often stem from broader health issues rather than the extraction of teeth. Maintaining good oral health is crucial, as poor dental hygiene can lead to systemic health issues that might affect cognitive function over time.

4. Concerns About Future Dentures: The belief that wisdom teeth should not be extracted because it may complicate future denture fittings is a common myth. In reality, the extraction of wisdom teeth is often necessary to prevent future dental problems, and it does not negatively impact the ability to fit dentures later in life. Dentists and oral surgeons typically recommend extraction if the wisdom teeth are causing problems or are likely to cause problems in the future.

In summary, it is essential to consult with your dentist or an oral surgeon regarding your wisdom teeth. They can provide personalized advice based on X-rays and a thorough examination of your dental health. Regular dental visits can help prevent complications and ensure that any issues are addressed promptly. Remember, maintaining good oral hygiene and addressing dental problems early can significantly impact your overall health and well-being. Thank you for your questions, and I hope this information helps clarify your concerns!

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