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  • Title: A three-year prospective study of adult subjects with gingivitis. I: clinical periodontal parameters.
    Author: Bogren A, Teles R, Torresyap G, Haffajee AD, Socransky SS, Lindhe J, Wennström JL.
    Journal: J Clin Periodontol; 2007 Jan; 34(1):1-6. PubMed ID: 17137469.
    Abstract:
    AIM: The objective of this study was to monitor prospectively clinical parameters in subjects without signs of destructive periodontal disease who were involved in a primary prevention programme, and to determine the changes that occurred between yearly examinations over a 3-year period. MATERIAL AND METHODS: One hundred and twenty-six subjects aged at least 20 years with a maximum of two tooth sites with probing pocket depth (PPD)>4 mm and no proximal sites with clinical attachment loss participated in the study. Primary prevention was provided at baseline of the study and then every 6 months. Plaque, bleeding on probing (BoP) and PPD were scored at baseline, 1, 2 and 3 years. RESULTS: There were no significant changes in the plaque score over the 3 years. After year 1, the BoP score was significantly improved with 5.6%, while no further improvement in BoP was found at years 2 and 3. The mean PPD decreased from 2.3 to 2.1 mm over the 3 years (p<0.05). CONCLUSION: Although some individuals exhibiting minor signs of periodontal pathology may have benefited from the primary prevention, the overall clinical improvement was limited for such subjects in the present 3-year study.
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