Evolutionarily determined morphological changes that predetermine periodontal disease

Relevance. Depending on the researcher’s purpose, science can solve local and fundamental problems. Periodontists problems conditioned by patient complaints presented at a specific time. The of medicine, for example, evolution/ reduction organs tissues, are considered, scientific community, set formed under influence geographical, social other factors. Progress in solving is insignificant, which explained fallacy knowledge formation within framework individual disciplines physics, biology, etc. Materials methods. subject study dialectical unity biological fluid filtration direction contamination deep periodontium planktonic biota. object hydrodynamic disturbances following decrease consistency proximal contacts as cause periodontitis. rested upon logic multidirectional evolutionarily determined changes conventional proposed components periodontium. Results. arguments evidencing necessity to supplement solid-state periodontal model N.N. Nesmeyanov (1905) with new – biofilm. Conclusion. Based parallel processes coevolutionary improvement biofilm skull bones, showed our views problem etiology periodontitis V.N. Kopeikin.