Abstract
Three cases of pycnodysostosis were reported. All of those cases presented characteristic findings of pycnodysostosis such as proportionate dwarfism, fragility of bone, open fontanelle, obtuse mandibular angle, acro-osteolysis and dense skeleton.
There were no consanguinity in their parents and no chromosome anomaly was found in case 1.
Case 2 was delivered by cesarean section producing two normal healthy babies.
Oral findings of the case 1 were described in detail.
