Statistical Study of the Primary Causes of Extractions

  title={Statistical Study of the Primary Causes of Extractions},
  author={Edward Frank Allen},
  journal={Journal of Dental Research},
  pages={453 - 458}
  • E. F. Allen
  • Published 1 December 1944
  • Medicine
  • Journal of Dental Research
This study was undertaken in an attempt to evaluate the relative importance of the common dental disorders. Caries and pyorrhea are considered the most common dental diseases, but the literature is somewhat confusing as to their comparative importance. Caries is said to be the most prevalent of all diseases (1), even more common than the common cold (2). Very few individuals escape its attack, its occurrence ranging from 75% to 95% in the civilized nations (3). Yet the fact has been emphasized… 

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