Diagnostic value of vertical lines of lateral teleradiography of the head
https://doi.org/10.25789/YMJ.2023.84.07
Abstract
Aim. To determine the diagnostic value of the vertical lines of lateral teleradiographs in the analysis of the gnathic section of the face and the position of the front teeth. Material and methods. A pilot retrospective study of 74 museum teleradiographs in the lateral projection was conducted. It is proposed to use the nasal-subnasal vertical. Parallel to the nasal-subnasal line, lines were drawn through the anterior superior alveolar point prosthion (Pr) and the anterior inferior point of the infradentale (Id). The position of the cutting edge of the incisors relative to the vertical diagnostic lines and the position of the contact point between the upper and lower incisors were evaluated. A visual analysis of the location of the anatomical details of the gnathic part of the face was carried out. Results. The result of the analysis of radiographs with a mesotrusion type of dental arches showed that in most cases the anterior alveolar vertical, crossing the prosthion point (Pr), passed through the cutting edge of the upper medial incisor, and the interstitial contact point was located in the middle, between the anterior and posterior alveolar lines. Regardless of the typological features of the dental arches in physiological occlusion, equality of vertical dimensions was noted, which was analyzed along five lines that passed perpendicular to the studied diagnostic verticals of the face. The upper horizontal line passed near the apical base of the upper jaw (point "A"), and the lower - through the point "B", which determines the position of the apical base of the lower jaw. Conclusion. Thus, the use of the proposed vertical diagnostic lines allows for a comparative analysis of dental arches of various trusion types, to assess the proportionality of parts of the gnathic section of the face and can be useful for diagnosing malocclusion in various directions, including vertical forms of occlusion and disocclusion.
About the Authors
V. V. Shkarin
Volgograd State Medical University
Russian Federation
Russian Federation
Shkarin Vladimir V. – MD, Head of the Department of Public Health and Healthcare, Institute of Continual Medical and Pharmaceutical Education
Volgograd
D. V. Mikhalchenko
Volgograd State Medical University
Russian Federation
Russian Federation
Mikhalchenko Dmitry V. – MD, Head of the Department of Propaedeutics of Dental Diseases
Volgograd
I. V. Fomin
First Moscow State Medical University named after I.M. Sechenov
Russian Federation
Russian Federation
Fomin Igor V. – PhD, Associate Professor of the Department of Orthopedic Dentistry
Moscow
D. S. Dmitrienko
Volgograd State Medical University
Russian Federation
Russian Federation
Dmitrienko Dmitry S.– MD, Professor of the Department of Dentistry, Institute of Continual Medical and Pharmaceutical Education
Volgograd
A. D. Mikhalchenko
Volgograd State Medical University
Russian Federation
Russian Federation
Mikhalchenko Aleksey D. – Postgraduate Student, Department of Propaedeutics of Dental Diseases
Volgograd
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Review
For citations:
Shkarin V.V., Mikhalchenko D.V., Fomin I.V., Dmitrienko D.S., Mikhalchenko A.D. Diagnostic value of vertical lines of lateral teleradiography of the head. Yakut Medical Journal. 2023;(4):28-31. https://doi.org/10.25789/YMJ.2023.84.07
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