Table 1.
Classification of HPP.
| Types | Period of diagnosis | Major symptoms | Inheritance patterns |
|---|---|---|---|
| Perinatal | Fetal to neonatal | Severe bone hypomineralization Respiratory disorder Convulsions |
Autosomal recessive |
| Prenatal benign | Bowed long bones | Autosomal recessive or autosomal dominant | |
| Infantile | < 6 months of age | Failure to thrive Hypercalcemia Premature craniosynostosis |
Autosomal recessive |
| Childhood | 6 months to 18 years old | Early exfoliation of primary teeth Short stature Bone pain |
Autosomal recessive or autosomal dominant |
| Adult | ≥ 18 years of age | Fracture Periodontitis |
Autosomal recessive or autosomal dominant |
| Odonto | Regardless of age | Early exfoliation of primary teeth Periodontitis |
Autosomal recessive or autosomal dominant |