Question 129 · LDEK · Developmental disorders of teeth

Indicate the false statement concerning hyperbilirubinemia:

  1. A. it causes tooth discoloration because of bilirubin accumulation in layers of enamel and dentine during the process of mineralization.
  2. B. discoloration may be present in both deciduous and permanent dentitions.
  3. C. is present in children at various ages.
  4. D. distinct demarcation between discolored and non-discolored areas is often observed.
  5. E. changes may be in red-brown or brow-black color (fluorescence under UV light).
Hint

Think about the colour of bile pigment deposits in teeth and which metabolic disorder gives red fluorescence under UV light.

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