<prompt> Marie and Saintons disease is also known as:Dentinogenesis imperfecta.Cleidocranial dysostosis.Turners hypoplasia.Amelogenesia imperfecta.  <response>: Important Mainfestations of cleidocranial dysostosis or Marie and Saintons disease:Partial or complete absence of clavicles.Delayed closure of fontanelle.Wormian bones are common.The sagittal suture is characteristically sunken, giving the skull a flat appearance.Hypoplasia of maxilla.Prolonged retention of deciduous teeth AP-14 and subsequent delay in eruption of succedaneous teeth.Absence or paucity of cellular cementum on the roots of the permanent teeth with no increased thickening of the primary acellular cementum. 