DOI: 10.35556/idr-2020-4(93)22-27

03.07.2020

Changes in the parameters of nasal breathing and parameters of the upper respiratory tract during orthognathic operations in patients with II and III skeletal class of jaw anomalies
Gammadaeva S.Sh., Misirkhanova M.I., Drobyshev A.Yu.

Federal State Budgetary Educational Institution of Higher Education “A.I. Yevdokimov Moscow State University of Medicine and Dentistry” of the Ministry of Healthcare of the Russian Federation
127473, Russia, Moscow, Delegatskaya St., 20, bld. 1

E-mail address: gammadaeva91@mail.ru

Summary
The study analyzed the functional parameters of nasal breathing, linear parameters of the nasal aperture, nasal cavity and nasopharynx, volumetric parameters of the upper airways in patients with II and III skeletal class of jaw anomalies before and after orthognathic surgery.
The respiratory function of the nose was assessed using a rhinomanometric complex.
According to rhinoresistometry data, nasal resistance and hydraulic diameter were assessed.
According to the data of acoustic rhinometry, the minimum cross-sectional area along the internal valve, the minimum cross-sectional area on the head of the inferior turbinate and nasal septum and related parameters were estimated.
According to the CBCT data, the state of the nasal septum, the inferior turbinates, the nasal aperture, the state of the nasal cavity, and the linear values of the upper respiratory tract (nasopharynx) were analyzed.
The patients were divided into 4 groups according to the classification of the patency of the nasal passages by

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