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 individual style, creative manner of A.P. Chekhov, the features of the language of the great writer's works, to whose work scientists have devoted their research from the point of view of the onomasiological context, textual syntagmatics of works. Chekhov's language is extremely expressive in the nature of the linguistic means used, as well as in the way they are used.

Preschool education covers different periods of development. The article separately highlights the tasks of raising preschool children.

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.