Does your child suck their thumb? Do you worry they’ll be the only kid entering kindergarten who is still practicing this habit? While most children grow out of it around the age of 2 or 3, those who continue to engage in thumb-sucking can be at risk for possible oral health problems, one of which is a poorly aligned bite. A pediatric dentist in Huntington is here to explain the potential issues your child may face if they continue to suck their thumb as they get older.