[Report of experience during 1-year at the Gondar College of Medical Sciences in Ethiopia. 2. Frequency of caries and periodontitis in Ethiopia].

On the basis of a clinical epidemiological study of 312 patients are made biostatistical investigations about prevalence and Severity of dental caries and marginal periodontitis. The situation of oral hygiene is evaluated by means of the PI of Løe and Silness and the OHI-S of Greene and Vermillion. The DMF/T-Index is used for the evaluation of the set of teeth and the GI of Løe and Silness like the PDI of Ramfjord for the evaluation of the periodontal state.