“If we take 70 years as a convenient figure for life expectancy at the present time it is apparent that the average person will spend his last ten to twenty years almost or entirely edentulous. Usually long before the last few teeth are lost others have already been lost from time to time.”
“Heavy force applied to the teeth during mastication of food, or otherwise, especially to teeth involved in the advanced stages of periodontoclasia, can be expected to drive bacteria into the blood stream in the same way as operative procedures do, but, of course, to a lesser extent.”
“Countless millions of American people, in all walks of life, urgently need dental health service upon which some part of their potential health, happiness, welfare and longevity depends. This service must include instruction and guidance for an effective method (there is only one) of personal oral hygiene.”
"A Clean Tooth Does Not Decay, nor does periodontoclasia occur about a clean tooth." C. C. Bass, M.D.