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Home Q & A Board Biology-Related Homework Help Medicine Dentistry
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Phoebe Phoebe
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7 years ago
All periodontitis is preceded by gingivitis. All gingivitis progresses to periodontitis.
 
  A) Both statements are true.
  B) Both statements are false.
  C) First statement is true, second statement is false.
  D) First statement is false, second statement is true.
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csaenz4csaenz4
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7 years ago
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