Cheung, W S A mild form of hypophosphatasia as a cause of premature exfoliation of primary teeth: report of two cases. [electronic resource] - Pediatric dentistry Mar 1987 - 49-52 p. digital Publication Type: Case Reports; Journal Article ISSN: 0164-1263 Subjects--Topical Terms: FemaleHumansHypophosphatasia--complicationsIncisorInfantMandibleTooth Exfoliation--etiologyTooth, Deciduous