Delayed eruption of teeth is seen in:: (A) Hypovitaminosis., (B) Hypothyroidism., (C) Hypoparathyroidism, (D) All of the above.
Answer is D. Delayed eruption of teeth:

Rickets (Hypovitaminosis D)
Hypothyroidism
Hypoparathyroidism’
Trick = ALL “Hypo” conditions

Hyper Parat Hyroidism → No effect on teeth only effects bone