Question 255 · LDEK · Developmental disorders of teeth
Blue sclera, progressive hearing loss, bone fragility and dental defects are observed in:
- A. osteogenesis imperfecta.
- B. dentinogenesis imperfecta.
- C. vitamin D-resistant rickets.
- D. syphilis.
- E. hyperphosphatemia.
Hint
Fragile bones, blue sclerae and hearing loss point to a type I collagen disorder; the dental findings are a secondary feature.
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