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International Journal of Dentistry
Volume 2014, Article ID 919173, 5 pages
Review Article

A New Classification of Endodontic-Periodontal Lesions

College of Dentistry, King Saud Bin Abdulaziz University, King Abdulaziz Medical City No. 1243, P.O. Box 22490, Riyadh 11426, Saudi Arabia

Received 25 November 2013; Accepted 12 January 2014; Published 14 April 2014

Academic Editor: Sultan A. Al-Mubarak

Copyright © 2014 Khalid S. Al-Fouzan. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The interrelationship between periodontal and endodontic disease has always aroused confusion, queries, and controversy. Differentiating between a periodontal and an endodontic problem can be difficult. A symptomatic tooth may have pain of periodontal and/or pulpal origin. The nature of that pain is often the first clue in determining the etiology of such a problem. Radiographic and clinical evaluation can help clarify the nature of the problem. In some cases, the influence of pulpal pathology may cause the periodontal involvement and vice versa. The simultaneous existence of pulpal problems and inflammatory periodontal disease can complicate diagnosis and treatment planning. An endo-perio lesion can have a varied pathogenesis which ranges from simple to relatively complex one. The differential diagnosis of endodontic and periodontal diseases can sometimes be difficult, but it is of vital importance to make a correct diagnosis for providing the appropriate treatment. This paper aims to discuss a modified clinical classification to be considered for accurately diagnosing and treating endo-perio lesion.