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Home Q & A Board Biology-Related Homework Help Medicine Dentistry
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Phoebe Phoebe
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6 years ago
Which of the following statements is true about periodontitis when comparing the NHANES III study and the newer NHANES (19992000)?
 
  A) Severity has increased.
  B) Prevalence has increased.
  C) Prevalence has decreased.
  D) Extent has increased.
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wpingwping
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6 years ago
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Phoebe Author
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6 years ago
Thanks
linlinlin
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Yesterday
Brilliant ツ
novae
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2 hours ago
Smart ... Thanks!
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