INBDE (Integrated National Board Dental Examination) Practice Exam

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Intervention with appliance therapy for thumb sucking is recommended by what age?

  1. 5 or 6

  2. 3 or 4

  3. 7 or 8

  4. 2 or 3

The correct answer is: 5 or 6

Thumb sucking is a common habit in children and can be a source of concern for parents. It is recommended to intervene with appliance therapy, such as a thumb guard, by the age of 5 or 6. This is because by this age, a child's permanent teeth begin to come in and any prolonged thumb sucking can cause shifting of the teeth and other dental problems. Options B, C, and D may seem like possible ages for intervention, but they are actually too late according to dental professionals. Starting intervention early can prevent future issues and make the habit easier to break.