Introduction and objective. In recent decades the use of orthodontic appliances in Poland has increased; however, data on their influence on changes of components of the microbiome connected with oral biofilm are scarce. The objective of this study was to evaluate oral microbiota in terms of their role as risk factors for health complications. Materials and method. The study included 100 patients treated with removable or fixed appliances. Oral hygiene and gingival health were determined, and periodontal swabs taken from each patient for parasitological, bacteriological and mycological microscopic and in vitro examinations. Results. Oral protists and various pathogenic and opportunistic bacterial and fungal strains were identified in the superficial layer of biofilm. A higher prevalence of bacteria, Enterococcus faecalis, E. faecium, Staphylococcus aureus and Escherichia coli, and various strains of yeast-like fungi from the Candida albicans group, occurred in patients treated with the fixed appliance than in those using a removable appliance or not treated orthodontically. In some periodontal samples from patients treated with fixed appliances, cysts of the Acanthamoeba spp. were found. Conclusions. The use of orthodontic appliances alters the status of the oral cavity; it has impact on the colonization of oral biofilm by opportunistic/pathogenic strains, and increases the risk of their dissemination to various human tissues and organs. Pretreatment examination of oral microbiome, its monitoring particularly during treatment with fixed appliances, and preventive elimination of the potentially pathogenic strains to avoid health complications, are highly recommended, especially in patients with impaired immunity.

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Warunki zgryzowe wśród populacji na świecie odbiegają od kryteriów prawidłowego zgryzu. Bez odpowiednich wytycznych trudno jest obiektywnie ocenić wady, których leczenie jest bezwzględnie wskazane. Obecnie najchętniej stosowanym przez klinicystów wskaźnikiem oceny poziomu potrzeb leczniczych ortodontycznych jest Wskaźnik Potrzeb Leczniczych IOTN (Index of Orthodontic Treatment Need). Cel. Celem pracy było prześledzenie badań prowadzonych nad wskaźnikiem IOTN i wyjaśnienie jego zastosowania. Materiał i metody. Przegląd piśmiennictwa z lat 2015-2020 przy użyciu bazy danych Dentistry & Oral Sciences Source w witrynie ebscohost.com i słowa kluczowego IOTN. Wyniki.

Badania kliniczne / Clinical research Analiza wskaźnika Ponta dla dzieci populacji polskiej w wieku 11-13,5 lat Pont's index -analysis of children from the Polish population aged 11-13.5 years