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Schürch, Ernst; Dulla, Joëlle Aline; Bürgin, Walter Bruno; Lussi, Adrian; Lang, Niklaus Peter (2015). Trends of periodontal conditions in two different randomly selected Swiss (Bernese) cohorts 25 years apart. Journal of clinical periodontology, 42(10), pp. 893-899. Wiley 10.1111/jcpe.12458
Lussi, Adrian; Strub, Matthias; Schürch, Ernst; Schaffner, Markus; Bürgin, Walter Bruno; Jaeggi, Thomas (2015). Erosive tooth wear and wedge-shaped defects in 1996 and 2006: cross- sectional surveys of Swiss army recruits. Swiss dental journal, 125(1), pp. 13-27. Schweizerische Zahnärzte-Gesellschaft SSO
