Failure of Tooth Eruption, Primary, also known as primary failure of tooth eruption, is related to chondrodysplasia, blomstrand type and tooth ankylosis. An important gene associated with Failure of Tooth Eruption, Primary is PTH1R (Parathyroid Hormone 1 Receptor), and among its related pathways/superpathways are G alpha (s) signalling events and Endochondral ossification with skeletal dysplasias. Affiliated tissues include bone, and related phenotypes are hypodontia and persistence of primary teeth