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Distribution of dental plaque and gingivitis within the dental archesSreenivasan, Prem K.; Prasad, Kakarla V.V. · Journal of International Medical Research · 2017
A Study of the Distribution of Supra and Subgingival Calculus, Bacterial Plaque and Gingival Inflammation in the Mouths of 400 IndividualsAlexander, A. G. · Journal of Periodontology · 1971