What is anterior deep coverage?

Upper and lower teeth>3mm anterior teeth deep coverage refers to the incisal end of the upper teeth to the maximum horizontal distance of the lower anterior teeth more than 3mm, this is a clinically more common malocclusion, often accompanied by deep overbite of the anterior teeth, similar to buck teeth, the impact on the appearance is relatively large. One of the main reasons is bad habits, long-term sucking, biting lower lip and licking upper teeth; there are local obstacles in the replacement teeth and germination period; the third is mouth breathing; the fourth is genetic factors. How to treat? First of all, get rid of bad habits. If it is serious, you need to come to the hospital for surgical and oral orthodontic treatment.