How Long Until Wisdom Teeth Shift Molars: A Dental Concern

The time it takes for an impacted wisdom tooth to push against the adjacent molars?

A few days ago, I visited the dentist, and the doctor mentioned that my lower wisdom tooth is unlikely to erupt.
He said it could be left in place for now, and I can decide later when I'm ready.
I asked if it could potentially push against my molars, and the doctor replied that it is possible, but extracting the wisdom tooth could also risk damaging the nerves, so it's not guaranteed to be safe.
However, I forgot to ask how long it would take for the wisdom tooth to misalign the molars.
I originally planned to think it over during the winter break, but now that I'm back at school, I'm worried about this issue.
I would appreciate your help in clarifying this matter.
Thank you in advance!

jack, 20~29 year old female. Ask Date: 2006/09/07

Dr. Yuan Ziming reply Dentistry

Jack's wisdom teeth are currently not causing any discomfort, so it's fine to address them during the winter break.
However, it shouldn't be delayed any longer; the sooner they are extracted, the easier the procedure will be.
The impact on the second molar should be assessed based on the angle of inclination.
Over time, the most common issue that can arise is the development of cavities on the distal side of the second molar.
There's no need to worry right now; just choose a day during the winter break to resolve the issue!

Reply Date: 2006/09/07

More Info

When it comes to the potential shifting of molars due to wisdom teeth, there are several factors to consider, including the timing, risks, and the overall dental health of the individual. Wisdom teeth, or third molars, typically emerge in late adolescence or early adulthood, usually between the ages of 17 and 25. However, the timeline for their eruption can vary significantly from person to person.
In your case, your dentist has indicated that your lower wisdom tooth may not erupt fully. This is not uncommon, as many people experience impaction, where the wisdom tooth does not have enough space to emerge properly. If the wisdom tooth is impacted, it can exert pressure on the adjacent molars, potentially causing them to shift. The timeline for this shifting can vary widely; some individuals may notice changes within a few months, while for others, it may take years for any significant movement to occur.

The concern about wisdom teeth pushing against molars is valid. If the wisdom tooth is positioned at an angle or is partially erupted, it can create pressure on the second molar, leading to misalignment. This misalignment can result in discomfort, bite issues, and even complications such as tooth decay or gum disease if the area becomes difficult to clean.
However, it’s important to weigh the risks of extraction against the potential for shifting. While extracting wisdom teeth can prevent future dental issues, it is not without its own risks, including damage to nearby nerves, particularly the inferior alveolar nerve, which can lead to numbness or tingling in the lower lip and chin. This is why your dentist suggested waiting until you are ready to make a decision about extraction.

If you decide to keep your wisdom teeth, regular monitoring is essential. Your dentist may recommend periodic X-rays to assess the position of the wisdom teeth and their impact on the surrounding teeth. If you notice any discomfort, shifting, or changes in your bite, it may be time to reconsider extraction.

In terms of timing, if you choose to wait and see how your wisdom teeth develop, it’s advisable to keep an eye on them for at least six months to a year. If there are no signs of shifting or discomfort, you may continue to monitor them. However, if you start to experience pain, shifting, or other dental issues, it would be prudent to consult your dentist sooner rather than later.

In conclusion, the timeline for wisdom teeth to potentially shift molars varies greatly among individuals. While some may experience changes relatively quickly, others may not see any significant movement for years. Regular dental check-ups and open communication with your dentist about your concerns will help you make the best decision for your dental health. If you have any further questions or concerns, don’t hesitate to reach out to your dental professional for personalized advice.

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