Convex teeth lead to convex mouth clinically often orthodontic correction to restore the normal protrusion of the teeth, but accompanied by excessive development of the jaw, but also need to carry out orthognathic surgery. 1. Orthodontic correction. If there is severe deep coverage or overcrowding of teeth, it can cause protrusion of anterior teeth, resulting in outward protrusion of lips, and orthodontics is often used to restore the normal relationship of overcrowding, and for overcrowding of teeth, it is necessary to expand the arch or extract the teeth to reduce the number of teeth with orthodontics according to the situation. 2. Orthognathic surgery. If the teeth are convex and accompanied by overdevelopment of the dental arch, orthognathic surgery should be considered after confirmation by CT examination. It is recommended to consult a doctor as soon as possible to avoid aggravation of the symptoms.