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International Poster Journal of Dentistry and Oral Medicine



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Int Poster J Dent Oral Med 15 (2013), No. 2     15. June 2013
Int Poster J Dent Oral Med 15 (2013), No. 2  (15.06.2013)

Poster 643, Language: English

Influence of the variable age for long-term tooth retention after 15 years of periodontal supportive therapy (SPT)
Kahl, Maren / Schützhold, Svenja / Springer, Claudia / El-Sayed, Karim Fawzy / Rühling, Andreas / Kocher, Thomas / Dörfer, Christof E. / Graetz, Christian
Aim: The aim of this retrospective study was to evaluate the influence of age on tooth loss during long-term SPT in advanced aggressive (AgP) and chronic periodontitis (CP).
Methods: 213 compliant patients (AgP: 55; CP: 158; n teeth = 4939) were included when following criteria were fulfilled: bone loss >=50% at >=2 teeth, age <=35y for AgP (CP: >=40y) and SPT over at least 10 years. Age groups (A: 49y) at baseline were defined. Kaplan-Meier estimate was used to determine survival.
Results: During SPT of 15.6±4.8y, 437 (7.33%) teeth were lost in total. In AgP 6.1%, 12.3% and 0% (n.a.) (CP: 7.3%, 10.0%, 9.5%) of all teeth for the age groups A, B and C, respectively, were extracted during SPT. After 15 years the tooth survival probability in A was 94.2%, B 92.0% and C 90.0%, independent from the initial diagnosis (p

Keywords: periodontitis, periodontal supportive therapy, risk factor, tooth loss, age

June 6th-9th, 2012
Vienna, Austria