Validity of the "Community Periodontal Index of Treatment Needs" (CPITN) for population periodontitis screening.

The aim of the present study was to validate two versions of CPITN for periodontitis diagnosis. A sample of 400 individuals underwent full mouth periodontal examination including Clinical Attachment Loss, Periodontal Pocket Depth, and Sub-gingival Calculus. Full and partial CPITN versions were derived from this exam (gold standard).

In vivo evaluation of the effect of essential oil-containing oral strips on salivary bacteria using the checkerboard method.

Objective: The aim of this study was to evaluate the antimicrobial effect of essential oil-containing oral strips on different species of the oral microbiota.

Methodology: Saliva samples were collected from 20 subjects with good oral health, diluted and plated onto blood agar medium. The subjects were asked to place the strip (Listerine PocketPaks) on the tongue allowing it to dissolve.