One year old baby’s lower teeth cover the upper teeth for abnormal phenomenon, need to be early orthodontic treatment, while changing the bad oral habits.
1. Early orthodontic treatment: normal teeth for the upper teeth over the lower teeth, lower teeth over the upper teeth for anti-maxillary, generally around four years old, for anti-maxillary shallow can be adjusted to grind the mandibular incisal edge of the lingual side of the part of the incisal edge of the incisal edge of the mandibular teeth and maxillary lip side, lifting the upper and lower anterior anti-maxillary relationship.
For moderate overjet, the maxillary anterior teeth can be pushed to the labial side using a maxillary cushion-type double curved lingual appliance. For deep overjet, use mandibular crown-type beveled guides or mandibular jaw cushion-type crown-type beveled guides.
2. break bad biting habits: one year old baby jaw can first change the bad biting habits, change the way of flat feeding, the use of lip block or finger sleeve and other orthodontic devices to block their bad habits.
One year old baby lower teeth wrapped around the upper teeth as an abnormal phenomenon, it is recommended to go to the hospital in a timely manner for early orthodontic treatment to prevent the formation of bony antimaxillary.