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Trends of periodontal conditions in two different randomly selected S wiss ( B ernese) cohorts 25 years apart
Author(s) -
Schürch Ernst,
Dulla Joëlle A.,
Bürgin Walter,
Lussi Adrian,
Lang Niklaus P.
Publication year - 2015
Publication title -
journal of clinical periodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.456
H-Index - 151
eISSN - 1600-051X
pISSN - 0303-6979
DOI - 10.1111/jcpe.12458
Subject(s) - medicine , dentistry , clinical attachment loss , oral examination , oral health , periodontitis
Aim To assess the periodontal conditions of two randomly selected S wiss cohorts 25 years apart. Material and Methods Standardized examinations were performed to assess the periodontal conditions of two randomly selected populations of the C anton of B ern; oral cleanliness was evaluated using the plaque index ( P l I ) and the retention index ( RI ). Gingival health was scored according to the gingival index ( GI ). Periodontal conditions were evaluated by pocket probing depth ( PPD ) and loss of attachment ( LA ). Results At the first examination in 1985, 206 out of 350 subjects were evaluated, while in the second examination in 2010, 134 out of 490 subjects attended the examinations. In 1985, subjects showed a mean P l I of 1.16, and 0.77 in 2010. RI was 0.81 and 0.36 in 1985 and 2010 respectively. Mean GI was 1.34 and 0.6. The mean proportion of PPD ≤3 mm was 72% in 1985 and 97.3% in 2010. PPD ≥ 6 mm affected 2.0% in 1985 and 0.3% in 2010. In 1985, subjects had an average of 20.7 teeth, while in 2010, the average was 24.6. In 1985, 7.3% of the subjects were edentulous, while in 2010, 4.5% had no teeth. Conclusions Trends to improvements resulting in more teeth in function and better periodontal conditions were recognized.