To avoid displacement of permanent teeth, finger sucking should be terminated by-: (A) 8 years, (B) 5 years, (C) 3 years, (D) 2 years
Answer is A. Ans. is 'a' i.e., 8 years The earlier the habit of digit sucking is discontinued after the eruption of the permanent maxillary incisors (7-8 yr), the greater the likehood that there will be lessening effect on the dentition.