ASSESSMENT OF PHYSIOLOGICAL PARAMETERS OF THE TRIGEMINAL AND COCHLEOVESTIBULAR SYSTEMS IN TEMPOROMANDIBULAR JOINT PAIN DYSFUNCTION
DOI: 10.22138/2500-0918-2020-17-2-110-120
N.D. Sorokina, L.R. Shahalieva, S.S. Pertsov, L.V. Polma, G.V. Selitsky
Moscow State University of Medicine and Dentistry named after A.I. Evdokimov, Moscow, Russian Federation;
P.K. Anokhin Research Institute of Normal Physiology, Moscow, Russian Federation
Abstract. One of the most common causes of chronic pain in the facial region, including in the trigeminal nerve link, which is not associated with dental diseases, is pain dysfunction of the temporomandibular joint. At the same time, there is evidence in the literature that there are relationships between pain dysfunction of the temporomandibular joint, abnormal occlusion, cervical-muscular tonic phenomena, postural disorders, dysfunction of the Autonomous nervous system and cochleovestibular manifestations. At the same time, neurophysiological indicators of functional disorders in the maxillofacial region and intersystem interactions in pain dysfunction of the temporomandibular joint are insufficiently studied.Goal. The aim of the work is to evaluate the neurophysiological features of trigeminal afferentation in terms of trigeminal somatosensory evoked potentials (TSWP) and the auditory conducting system of the brain in terms of acoustic stem evoked potentials (ASVP) in distal occlusion of the dentition with pain dysfunction of the temporomandibular joint (TMJ) in comparison with physiological occlusion in students 18-21 years old. Material and methods. The main study included 41 students with distal occlusion (21 girls and 20 boys), (grade II Engl, symmetrically right and left in 14 people, and grade II Engl on the left and grade I on the right in 12 people, grade I on the left and grade II on the right in 15 people). All respondents with distal occlusion and who were practically healthy signed an informed consent to participate in the study. We used complex orthodontic methods of examination, subjective degree of severity and intensity of pain in the TMJ, assessment of the Autonomous nervous system (samples and tests), and neurophysiological methods for assessing TSVP and ASVP. Results. Significant differences in ASEP parameters were found in the group of respondents with distal occlusion in the form of a decrease in the latency period of peak I, III, and V compared to physiological occlusion, that correlated with the subjective assessment (in points) of cochleovestibular disorders. According to the TSVP study, a decrease in the duration of latent periods was found, which indicates an increased excitability of non-specific brain stem structures at the medullo-ponto-mesencephalic level compared to the control group. Conclusions. The results obtained are supposed to be used for differential diagnostics, including such dental diseases as TMJ pain dysfunction, occlusion abnormalities accompanied by pain syndrome. Additional functional diagnostics of multi-modal VP of the brain (acoustic evoked potentials, trigeminal evoked potentials) can be performed in conjunction with indicators of autonomic nervous system dysfunction, with parameters of severity of clinical symptoms of cochleovestibular disorders, musculoskeletal dysfunction the maxillofacial area, with indicators of pain, which will determine the tactics and effectiveness of subsequent treatment.
Keyword: short-latency acoustic stem evoked potentials, trigeminal somatosensory evoked potentials, temporomandibular joint, distal occlusion
Received 13.02.2020
For citation:
Sorokina N.D., Shahalieva L.R., Pertsov S.S., Polma L.V., Selitsky G.V. Assessment of physiological parameters of the trigeminal and cochleovestibular systems in temporomandibular joint pain dysfunction. Vestn. Ural. Med. Akad. Nauki. = Journal of Ural Medical Academic Science. 2020, Vol. 17, no. 2, pp. 110–120. URL: http://vestnikural.ru/article/1117, DOI: 10.22138/2500-0918-2020-17-2-110-120 (In Russ)
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Authors
Natalia D. Sorokina
Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
Dr. Sci. (Bio.), Professor of the Department of normal physiology and medical physics
5, Staromonetnypereulok, Moscow, 119017, Russian Federation
medical-phys11@mail.ru
Liana R. Shakhalieva
Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
Post-graduate student of the Department of orthodontics of the faculty of dentistry
5, Staromonetny pereulok, Moscow, 119017, Russian Federation
lyankalyanka07@mail.ru
Sergey S. Pertsov
P.K. Anokhin Research Institute of Normal Physiology
Dr.Sci. (Med.), Corresponding Member of RAS, Professor
Deputy Director on scientific work, head of the laboratory system mechanisms of emotional stress
Head of the Department of normal physiology and medical physics of the medical faculty of the Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
5, Staromonetny pereulok, Moscow, 119017, Russian Federation
s.pertsov@mail.ru
Lyudmila V. Polma
Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
Dr.Sci. (Med.), Professor of orthodontics Department, faculty of dentistry
5, Staromonetny pereulok, Moscow, 119017, Russian Federation
orthomag@yandex.ru
Gennady V. Selitsky
Moscow State University of Medicine and Dentistry named after A.I. Evdokimov
Dr.Sci. (Med.), honored doctor of the Russian Federation, Professor of the Department of nervous diseases of the medical faculty
5, Staromonetny pereulok, Moscow, 119017, Russian Federation
gvselitsky@mail.ru