Large gaps between incisors can be improved by undergoing orthodontic treatment, aesthetic resin restoration, veneer restoration, cosmetic crown restoration and so on. 1. Orthodontic treatment: If the gap between incisors is too big due to malocclusion, you need to have orthodontic treatment for incisors or the whole mouth to close the gap through the force of braces to make the incisors return to the normal ideal position. 2. Aesthetic resin restoration: if the gap between incisors is too big due to adjacent caries, you need to go to the hospital stomatology department and use the turbine handpiece to clean the decayed tooth tissue thoroughly and prepare the cavity shape, and then finally use the aesthetic resin to fill the caries cavity and restore the good relationship between the neighboring areas, so as to improve the gap between the big problem. 3. Veneer restoration: If the shape of incisors is small, which leads to the phenomenon of large gaps, you can consider grinding the labial side of the incisors according to a certain ratio and then prepare a model, and then have a factory produce all-ceramic veneers for restoration, so as to achieve the effect of closing the gaps. 4. Full Crown Repair: If the gap between incisors is too big, you can consider grinding the whole incisors according to the proportion and then carry out full crown repair to solve the problem of too big gap.