Kovach, I. V.; Varzhapetian, S. D.; Bunyatyan, Kh. A.; Reyzvikh, O. E.; Babenya, A. A.; Strogonova, T. V.; Ковач, І. В.; Варжапетян, С. Д.; Бунятян, Х. А.; Рейзвих, О. Е.; Бабеня, А. А.; Строгонова, Т. В.
(2021)
Oroanthral fistula
(anastomosis) is an element preventing the restoration of homeostasis in the maxillary sinus due to the constant flow of
microbes from the oral cavity. It is also contributes to frequent exacerbations ...