If the gap between the teeth is big, you can wait for the replacement teeth to self-correct, permanent teeth need to go to the stomatology department for fillings, orthodontics or porcelain restoration, etc. It is recommended to go to the hospital for specific examination and treatment. 1. The gap between the teeth of milk teeth sometimes appears in the process of jawbone development, permanent teeth are bigger than milk teeth, generally waiting for the permanent teeth to erupt after the gap can be closed by themselves. 2. If the gap between permanent teeth is caused by dental caries, it can be filled in time. 3. If the teeth are sparse and the gap is generally large, you can wear orthodontic appliances to close the gap and align the teeth. 4. Individuals with large gaps can have dental veneers to close the gaps or have their teeth ground down to make full crowns.