The gap is divided into front teeth and back teeth. The front teeth have scattered gaps can be solved by orthodontic treatment, adult orthodontic treatment takes more than 2 years, the cost starts from 20,000 yuan, if you do not consider orthodontics can use all-porcelain crowns or all-porcelain veneers to restore, the price according to the choice of materials, imported and domestic to distinguish the price, the cost of 3000-8000 yuan a. If the gap between the back teeth may be caused by dental caries, it can be filled in the dental clinic, if the gap is simply increased, it can be restored by inlays or high inlays, the production materials are different, the price also varies, the cost ranges from 3000-8000. If the gap is caused by periodontitis, you need to undergo periodontal system treatment first, the cost is about 2000-3000, after that, you can recover through orthodontic treatment or crown treatment.