J Clin Periodontol. 2004 Sep;31(9):749-57.
The long-term effect of a plaque control program on tooth mortality, caries and periodontal disease in adults. Results after 30 years of maintenance.
Axelsson P, Nyström B, Lindhe J.
３０年間徹底したプラークコントロールを行った歯の喪失原因は６２％が歯根破折であった。
The long-term effect of a plaque control program on tooth mortality, caries and periodontal disease in adults: Results after 30 years of maintenance