A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?
Correct answer: D. Dentinogenesis imperfecta
- A. Neonatal hypoplasia
- B. Amelogenesis imperfecta
- C. Cleidocranial dysplasia
- D. Dentinogenesis imperfecta
Explanation
Dentinogenesis imperfecta produces opalescent gray or brown teeth, rapid wear, and radiographically large amounts of abnormal or obliterating dentin. Amelogenesis imperfecta primarily affects enamel, not the dentin pattern described.
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