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| A Previously Undescribed Demonstrable Pathologic Condition In Exposed Cementum and the Underlying Dentine | 
 
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 Charles C. Bass, M.D., New Orleans, La.
 
 
 
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| Reprinted in Oral Surgery, Oral Medicine, and Oral Pathology, St Louis
 Vol. 4, No. 5, Pages 641-652, May, 1951.
 Printed in the U.S.A.
 
 
 
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 | "A clean tooth does not decay" Charles C. Bass, M.D. 
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| “NO DESCRIPTION or mention of the condition to which attention is directed  herein has been found in any of a considerable number of textbooks consulted, embracing dental pathology, dental histology, or periodontal disease.”
 “Sometimes an individual wears back his gums and cuts a considerable groove in the tooth at and below the cementoenamel junction, with a stiff toothbrush and abrasive dentifrices.”
 
 “What influence, if any, this condition may have upon any possible repair of periodontoclasia damage remains for future work to show.”
 
 
 
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