Marie and Sainton's disease is also known as:

Important Mainfestations of cleidocranial dysostosis or Marie and Sainton's 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.