Can Dentists Alter Tooth Length or Alignment During Treatment? - Dentistry

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Is it possible for a dentist to misalign or lengthen teeth?


I have a chipped left central incisor that was previously filled.
The previous filling was aligned with the adjacent right central incisor, but this time, after the filling, it is much longer than the right incisor.
The dentist said it was shaped according to my natural tooth, but before the filling, I clearly observed that my tooth was not longer than the adjacent one.
In the end, the dentist shortened it a bit, but it still doesn't match the length of the right central incisor.
Can a dentist make my tooth longer? During the adjustment, is there a risk of damaging my natural tooth? I'm really worried, thank you!

Niming, 10~19 year old female. Ask Date: 2019/10/19

Dr. Zeng Guanghui reply Dentistry


Hello, when adjusting a completed dental filling, the procedure should focus on refining the filling material rather than the natural tooth structure.
If you feel that the length of the filled tooth is not consistent with the opposite incisor, you can return to the clinic and ask the dentist for further adjustments.
Thank you.

Reply Date: 2019/10/19

More Info


When it comes to dental treatments, particularly in the context of cosmetic procedures like dental crowns or fillings, patients often have concerns about how their teeth are altered in terms of length and alignment. Your question about whether dentists can alter tooth length or alignment during treatment is quite pertinent, especially given your experience with the discrepancy in the length of your front teeth.

Firstly, it is essential to understand that dentists have the ability to modify the length and shape of teeth through various procedures. When a dentist performs a filling or places a crown, they can indeed adjust the tooth's length to achieve a more aesthetically pleasing result or to ensure proper alignment with adjacent teeth. This is particularly common in cosmetic dentistry, where the goal is to enhance the overall appearance of a patient's smile.

In your case, it sounds like there was an initial discrepancy in the length of your left front tooth compared to the right. The dentist's decision to make the left tooth longer initially may have been based on the assessment of your natural tooth structure and the desire to create symmetry. However, if you felt that the length was excessive compared to the right tooth, it is entirely reasonable to express your concerns and request adjustments. Dentists often rely on patient feedback to fine-tune their work, and it is not uncommon for adjustments to be made after the initial placement of a filling or crown.

Regarding your worry about whether the dentist might inadvertently alter your natural tooth during the process, it is important to note that skilled dentists take great care to preserve as much of the natural tooth structure as possible. When a filling is placed, the dentist typically removes only the decayed portion of the tooth and shapes the filling to match the surrounding teeth. If adjustments are needed after the filling is placed, the dentist will usually work carefully to avoid damaging the underlying tooth structure.

If you are still concerned about the alignment and length of your teeth after the adjustments, it may be beneficial to seek a second opinion from another dentist. This can provide you with additional insights and reassurance regarding your treatment. Furthermore, if you feel that your concerns are not being adequately addressed by your current dentist, it is your right as a patient to seek care from someone who will take the time to listen and respond to your needs.

In summary, dentists can indeed alter tooth length and alignment during treatment, and they strive to achieve the best possible aesthetic and functional outcomes for their patients. If you have concerns about the length of your teeth or the potential impact on your natural tooth structure, do not hesitate to communicate openly with your dentist or seek a second opinion. Your comfort and satisfaction with your dental treatment are paramount, and it is essential to work with a dental professional who respects your concerns and preferences.

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