A crooked incisor cannot be corrected alone, it needs to be partially corrected, fully corrected or restored with a crown, it is best to find a dentist to analyze the situation before making a decision. 1. Partial Correction: A single crooked incisor cannot be corrected alone, the adjacent teeth must be used to provide corrective force to reverse the crooked incisor to its normal ideal position. 2. Full mouth correction: a single crooked incisor may also affect the occlusal relationship of the whole mouth, if there is an overjaw, cover abnormalities, but also need to carry out a full mouth orthodontic correction to correct the abnormal occlusal relationship. 3. Crown restoration: If a single tooth is slightly crooked, and there is a good occlusal relationship with the opposite jaw teeth, you can consider grinding the teeth to do porcelain crowns or all-ceramic crowns to restore the teeth to their normal shape, but there will be some wear and tear on the teeth. Therefore, a crooked incisor cannot be corrected individually, and it is best to go to a professional dental hospital for an intraoral examination before comprehensive analysis.