title: Letter to the Editor: Re: Comparison of Clinical and Radiographic Periodontal Status Between Habitual Water-Pipe Smokers and Cigarette Smokers.
authors: Laboratory of Physiology, Faculty of Medicine of Sousse, University of Sousse, Sousse, Tunisia.
authors: Mehdi
authors: M
authors: Khemiss
authors: Department of Dental Medicine, Fattouma Bourguiba University Hospital of Monastir, Monastir, Tunisia.
authors: Helmi
authors: H
authors: Ben Saad
mesh_terms: D006801:Humans; D010510:Periodontal Diseases; D010512:Periodontal Index; D000074285:Smokers