Delayed dentition is seen in ____________: (A) Down syndrome, (B) Congenital hypothyroidism, (C) Rickets, (D) All of the above
Answer is D. .Abnormalities in tooth eruption (timing and sequence) is often caused by genetics and may result in malocclusion. In severe cases, such as in Down syndrome,congenital hypothyroidism & rickets , the eruption may be delayed by several years and some teeth may never erupt Reference: GHAI Essential pediatrics, 8th