This article includes the results of a scientific study aimed at identifying the prevalence and morphological characteristics of sinus septa in the maxillary sinuses of residents of the Bukhara region using cone-beam computed tomography, and determining their relationship with gender, age and dental status. Based on the data obtained, it should be noted that cone-beam computed tomography of the maxillary sinus was a powerful tool for identifying septa of varying height, type, localization, independent of the patient's gender or age, but differences were revealed depending on the type of adentia.

The article examines the phenomenon of concentration of space in the "threshold" topos of Lyudmila Petrushevskaya's one-act plays using the play "Moscow Choir" as an example. It analyzes how closed and limited space becomes a symbolic threshold between different states: life and death, past and present, reality and absurdity.

The article discusses the types of ideographic dictionaries, thesauri, division into separate topics, similar dictionaries in which lexical-semantic groups of words are identified.

This article discusses effective modern pedagogical technologies that a teacher of Russian language and literature can use in his/her work. Particular attention is paid to the technologies of the activity method, which form in schoolchildren the ability to independently obtain new knowledge, collect the necessary information, put forward hypotheses, draw conclusions and inferences, not get lost in a situation of uncertainty, be able to establish effective communications with different people, and remain moral.

The development of literature and art is inextricably linked with the development of society. Socio-political changes, global problems, developments in the field of industry, agriculture, science, sports, spiritual and cultural life have a direct impact on literature. These factors are also important in determining the content, idealism, optimism, vitality, artistic maturity and world of our literature. In the works of Usman Nasir and Sergey Yesenin, deep reflection, artistic thinking and brilliant creative potential are also clearly visible. Another feature of the poets' poetry is the uniqueness of the series of thoughts and experiences in the depiction of the human spiritual world and socio-aesthetic problems in the poems of all subjects. In fact, poets often addressed traditional themes and approached them in a new, unique way. He was able to see the hidden points of life with the eyes of his heart and tried to vividly describe it in his work. The image of the landscape occupies a special place in the works of Usman Nasir and Sergey Yesenin. When the artist describes nature, he uses more figurative images. Love for the subtle beauty of nature is reflected in the poet's poems. In this article, Osman Nasir's poems dedicated to the image of nature in Sergey Yesenin's lyrics are analyzed.