<prompt> Delayed dentition is seen in ___Down syndromeCongenital hypothyroidismRicketsAll of the above  <response>: .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 