Which of the following is a characteristic of tetracycline stains ?

Correct answer: D. Stained teeth fluoresce light yellow under U.V light

  • A. There is less deposition in dentine as compared to enamel
  • B. Is always accompanied by hypolastic defects
  • C. Stains are dark brown in color
  • D. Stained teeth fluoresce light yellow under U.V light

Explanation

Tetracycline becomes incorporated into developing teeth and produces yellow fluorescence under ultraviolet light, later becoming yellow-brown. Deposition is generally greater in dentine than enamel, and hypoplastic defects are not invariably present.

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