Tooth gap repair methods: 1, a large gap because of the development of the incisor gap, most of them are caused by the lip tie attachment is too low, through the surgical tie surgery and orthodontic correction can be solved, can be made through orthodontic teeth slowly move to the normal neat position to reduce the gap, through orthodontic methods can achieve the effect of eliminating the gap, usually need 1-3 years to complete, the subsequent need to wear retainers; 2, porcelain Veneers: porcelain veneers can improve the color of the front teeth in addition to teeth, but also close the gap between the front teeth adjacent, but need to pay attention to whether the aesthetic tooth length and width ratio, the width of the front teeth area ratio and other issues; 3, aesthetic resin filling: characterized by simple and convenient, the disadvantage is that the maintenance time is not long; 4, through the all-porcelain crown or porcelain crown restoration, but the need to grind teeth, and according to the living pulp tooth pulp vitality condition is different, the preparation is easy to appear after the spontaneous pain, hot and cold stimulation pain and other symptoms, if necessary, root canal treatment is required; 5, if the gums recede due to periodontal tissue disease, thus forming a gap between the two teeth, it is recommended to do periodontal disease treatment.