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Case Reports in Dentistry
Volume 2014, Article ID 391503, 6 pages
Case Report

Resolution of Localized Chronic Periodontitis Associated with Longstanding Calculus Deposits

Division of Periodontology, College of Dentistry, The Ohio State University Wexner Medical Center, 305 West 12th Avenue, Columbus, OH 43210, USA

Received 28 January 2014; Revised 28 March 2014; Accepted 11 April 2014; Published 5 May 2014

Academic Editor: Adrian Kasaj

Copyright © 2014 Pin-Chuang Lai and John D. Walters. 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.


This report, which is based on nonstandardized serial radiographs obtained over a period of 15 years, documents a case of localized chronic periodontitis associated with progressive deposition of calculus on the distal aspect of a mandibular second molar. The site was treated by scaling and root planing, followed by a course of adjunctive systemic azithromycin. Treatment yielded favorable reductions in probing depth and clinical inflammation, leaving only few isolated sites with pockets no deeper than 4 mm. Two years after completion of active treatment, there was radiographic evidence of increased bone density distal to the second molar.