10 Questions 10 Minutes
Dentinogenesis imperfecta
Only primary dentitions are affected
Hypoplastic maxilla with high palatal arch and open bite
Lion-like facial deformity
Vitamin C deficiency (Scurvy)
Vitamin D deficiency
Rickets
Paget's disease of bone
Associate with cranio facial fibrous dysplasia
Have two pattern histologically; trabecular and psammomatoid
Paresthesia may be noted
Well circumscribed but not encapsulated histologically
Polyostic fibrous dysplasia is more common in maxilla than mandible
Monostotic fibrous dysplasia is more painful than polyostic fibrous dysplasia
Radiographically appears as ground glass in mature stage
Radiotherapy is not contraindicated
The basic defect is in collagen type II
Increased alkaline phosphatase enzyme level
Surgical removal and radiation is contraindicated
It is hereditary bone diseases
Osteogenesis imperfecta
Osteopetrosis
Cleidocranial dysplasia
Achondroplasia
Lack of estrogens leading to osteoclastic predominates
Transverse bands of varying density producing zebra like effect which may be seen radiographically
Associate with facial deformity leading to hypertelorism
Compression of various cranial nerve leading to blindness and deafness
Enlarged pulp chambers of primary dentition
Prognathic mandible
Prolonged retention of deciduous teeth and delayed eruption of permanent teeth
Roots are short, hooked, curved and thinner than normal
Achondroplasia
Mc-Cune Albright syndrome
Ossifying-fibroma
Paget's bone disease
Letterer-Siwe is the chronic disseminated form of the disease
Electron microscope finding of Birebeck granules structure that found in Hand-Schuller-Christian diseases
Dowager's hump result in gigantism patients due to their height
Hpercalcaemia is manifested by poor muscle tone of a patient with hyperparathyroidism
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