Ectodermal cells in tooth bud are responsible for_______________?
Correct answer: C. Determination of shape of crown and root
- A. Formation of cementum
- B. Formation of periodontal ligament
- C. Determination of shape of crown and root
- D. Formation of pulp
Explanation
The ectodermal enamel organ, particularly the inner enamel epithelium, determines the shape of the crown and guides tooth morphogenesis. Cementum and periodontal ligament arise mainly from the dental follicle, while pulp develops from the dental papilla.
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