Many people have large gaps in their teeth, which are known as gaps in clinical practice. Generally, the causes of large gaps are mainly caused by loose teeth or gum recession. Large gaps are normal in early childhood, but large gaps in adulthood require professional orthodontic treatment. For teeth with gaps, crown restorations, often called porcelain, are available for the front teeth. Tooth gaps can be restored according to the different circumstances to choose different orthodontic methods. 1, orthodontic surgery: (1) orthodontic treatment: more expensive, long treatment cycle time, but the effect is obvious and ideal. (2) porcelain teeth, can play an immediate effect, as long as the tissue by adjusting the grinding part of the teeth and wear the appropriate braces for correction can be gradually restored to a perfect state. (3) dental veneer restoration, this operation is part of the tooth using porcelain restorations for restoration, the use of bonding technology, can help improve the normal shape and color of teeth. 2, scaling: can play both a therapeutic role and can play a daily health care role way. However, regular scaling is required to maintain the effect. Under normal circumstances generally need to be scaled once every six months to play a better role in the health care periodontal, scaling can help remove the teeth on the calculus and stains and other factors that harm the periodontal health, these are one of the causes of the gap between the teeth too large. Tooth gaps can be solved by both orthodontic and preventive means. When the gaps are not very big, regular cleaning such as scaling can effectively prevent the gaps from getting bigger or even losing teeth. At the same time, maintain good brushing habits to avoid inadequate cleaning.