Thumb sucking should not go beyond six to eight years of age. Otherwise, the child runs the risk of having an effect on the oral cavity or the teeth.
What does it affect?
-High arched palate
-Labially positioned maxillary incisors
-Lingually positioned mandibular incisors
-Infection from communicable diseases
-Social implications:- Children who continue to suck their thumbs into older age may be teased by their peers, which can result in psychological problems.
This effect airway of child too which has impact in adulthood too
