One of the most common habit seen in children. Lip trap causes upper front permanent teeth to back forward. As lower lip muscle (mentalis muscle) is very strong, Lip trap displaces upper incisors. lip trap can lead to mouth breathing.
Discouraging the habit as soon as parents notice this habit consult your pediatric dentist for further suggestions.
Here the tongue is thrust in between upper & lower teeth. Causing the teeth to flare forward and awkward gap is seen, when the child smiles. Whenever the child swallows, the tongue is thrust in between upper & lower teeth. Instead of swallowing by putting the tongue on the palate, while swalllowing.