Most of the children’s lower teeth are concave due to heredity and trauma, usually due to malocclusion, periodontal disease and other reasons. The treatment measures for children with concave lower row of teeth generally include wearing movable orthodontic appliances, removing bad habits, and tooth preparation. 1. Wearing movable orthodontic appliances: When your child’s lower teeth are concave, it is recommended to wear movable orthodontic appliances under the guidance of a doctor to expand the width of the dental arch, cooperate with the anterior traction, and push the teeth to move towards the lip and cheek side to stimulate the jawbone to develop fully. 2. Correct bad habits: children’s lower row of teeth concave may be due to malocclusion, periodontal reasons, etc. It is recommended that patients correct bad habits such as mouth breathing, biting the lower lip, spitting the tongue, etc., to promote the reconstruction of the patient’s muscle function. If the situation worsens or deteriorates, it is recommended to see a dentist in time. 3. Dental preparation: If your child’s lower teeth are concave, it is recommended that you have them prepared for all-ceramic veneers or crowns to improve their appearance under the advice of your doctor. Therefore, if your child has concave lower teeth, it is recommended to see a dentist and take radiographs to identify the cause of the problem and treat it promptly.