Question 20 · LDEK · Etiology of malocclusion
The sucking reflex is a physiological activity at birth, but it may lead to malocclusion if it is retained too long. The sucking reflex should normally disappear by:
- A. 6 month of life.
- B. 12 month of life.
- C. 18 month of life.
- D. 30 month of life.
- E. 4 year of life.
Hint
Sucking should fade as the incisors erupt and solid food is introduced, around the end of infancy.
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