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I read your query and understand your concern. Sorry to hear about the rough experience and mental stress you had to go through and are currently facing due to unexpected and poor esthetics regarding peg lateral incisor management. Peg laterals are the lateral incisors with a different shape than the other side laterals or teeth (if it is on both sides). They are usually pointed and conical in shape, unlike the central incisors, which are flattish at the edge. Orthodontically speaking, the management of peg laterals is decided before starting the treatment. If there is more spacing in the arch and the plan is to close all the spaces, in such case, we can go for a composite build-up before the treatment procedure, and accordingly, the rest of the spaces are managed. If there is more crowding in the arch, we should create some space for the peg lateral restoration, which is later managed after finishing orthodontics. In which category was your situation when the treatment was initiated? Were you asked to undergo a root canal procedure before putting the temporary crown or just a bit of filing, followed by an impression for measurement and placement of the temporary crown? Temporary crowns are given to check the fit and condition of the tooth if you have any issues with the crown, pain, or other discomforts. Once you are fine with temporary crowns, a permanent one is placed. But the main point here is it is done after root canal treatment. If you have not undergone any root canal treatment for this peg lateral, you are safe, and the situation is completely manageable. You can always remove the temporary crown and get a composite build-up on the tooth. If root canal treatment is done, it is advised to have a crown on it as the tooth becomes weak after root canal treatment. Being in an esthetic zone, it is completely unacceptable to have a poor-looking crown being put. The situation is still under control if you have not undergone a root canal and do not wish to get a composite build-up. You can surely get the braces again and push all the teeth back to cover up all the spaces that are present. It is still possible. Re-doing orthodontic treatment even after the root canal is also possible. The only concern will be peg laterals are smaller in width. And with some extent of filing done on it, it would look smaller. But you can relax and reduce your stress. The situation can still be managed. I would like to have certain details, as asked in the response, to have a better assessment, along with a few photos to see the situation exactly. Please answer the related questions asked in response to your query. Please share the teeth photos from frontal and side views to enable me to judge the situation of peg lateral, and I shall be able to assist you better. Feel free to reach out for further queries or clarifications. Thank you.