| 11. | This is an example of focal infection that is not related to the classic theory of focal infection.
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| 12. | This was called the " focal infection theory ", and it led some dentists to advocate dental extraction.
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| 13. | A H Rogers in 1976 and E H Ehrmann in 1977 had dismissed any relation between endodontics and focal infection.
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| 14. | Focal infection as a main cause of disease fell out of favor thanks to studies done in 1939 and 1940.
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| 15. | Focal infection theory fell out of favor in the 1930s and was pushed to the margins of dentistry by the 1950s.
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| 16. | The extra information deals neither with Price nor root canals but " other aspects of focal infection theory ."
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| 17. | ""'Today the concept of focal infection has been integrated into the practice of medicine . "'
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| 18. | :: : : : : " Today the concept of focal infection has been integrated into the practice of medicine.
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| 19. | :: : : " Research in the area of periodontal medicine marks a resurgence in the concept of focal infection.
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| 20. | An ancient concept that took modern form around 1900, focal infection theory was widely accepted in Anglosphere medicine by the 1920s.
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