There is no “best” way to fill the gap, the methods of filling the gap include orthodontics, resin filling, veneers, etc., which should be chosen according to the individual’s situation. 1. Orthodontics: Wearing orthodontic appliances can effectively improve the problem of large gaps in the teeth, this method is less wear and tear on the teeth, but generally takes a longer time. 2. Resin filling: This method is applicable to the gap in the front teeth area, and the resin material is fixed by bonding to achieve a more beautiful and natural appearance. This method cannot be maintained and will need to be refilled subsequently. 3. Veneer repair: generally use all-ceramic veneer, using bonding technology fixed, the patch cover fixed in the teeth lip surface, less damage to the teeth, more beautiful, but can not chew hard objects. If you need to fill the gap between the teeth, should be carried out under the guidance of the doctor, and listen to the doctor’s advice, choose the right treatment for yourself.