Front teeth protrusion is a relatively common deformity, the main hazards are:
   Firstly, the protrusion of the front teeth are easily injured. when children wrestling and knocking to the face, the front of the incisors often will be the first to be affected, the occurrence of tooth fracture and other trauma, causing serious consequences.
   Secondly, on the front teeth protrusion will affect the appearance, moreover, because teeth protrusion, lip cannot be due limits, it may become more protruding, serious will make lips in between the upper and lower incisors, limited mandibular movement, eventually leading to child mandibular retrusion, development insufficient. 
   In addition, the upper incisors protrusion caused by the negative influence of appearance is likely to affect the child's mental health, after all, be buddies called "tusk" or other similar nickname is not a pleasant thing, sometimes will bring bad results on children's mental development.
    

• Why the appliance can be damaged during the orthodontics?
• Why did orthodontist advice me to remove wisdom teeth?