In the column headed Percent periodontal disease, I have shown
the incidence of periodontal disease, or so-called pyorrhea
alveolaris, and find (and this was a great surprise although
it has been abundantly verified) that as the tendency to caries
increases, but the periodontal disease tends to decrease as the
intensity of the inheritance of susceptibility for the rheumatic
group lesions increase.
Answer to “How to prevent Dental Caries.”
Sung Lee