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Nation-wide survey of oral health of seniors aged 65-74 and 75 and more years showed the significantly higher prevalence of edentulousness and the lower mean count of remaining teeth in institutionalised seniors when compared with those living independently (age 65-74 - 50.1 % vs. 21.0 %, 4.16 % vs. 10.91 %, age 75 and more - 65.2 % vs. 51.7 %, 2.24 % vs. 5.06 %). Significantly lower count of institutionalised individuals had enough teeth present to evaluate their periodontal status but the prevalence of periodontal disease did not differ significantly between the groups of institutionalised and independently living seniors. Restoration of remaining teeth and prosthetic rehabilitation in institutionalised seniors were significantly worse when compared with independenty living individuals.

When comparing the results of two nation-wide surveys of oral health concerning age categories of 65-74 and 75 and more years respectively it was shown that oral health of seniors significantly improved in virtually all parameters of dental and periodontal status and treatment outcomes. The principal goals relevant to oral health of seniors in the program "Health for all by 2000" have been to decrease edentulousness by one third and to drop the prevalence of advanced periodontal disease under 10 %. The decrease of edentulousness achieved between 1987 and 2003 was from 28.2 % to 21.0 % which means 25.5 % reduction. In the same interval the prevalence of advanced periodontal disease decreased from 11.1 % to 9.0 % - and the goal was fulfilled.