JOURNAL DESCRIPTION
The Medical Radiology and Radiation Safety journal ISSN 1024-6177 was founded in January 1956 (before December 30, 1993 it was entitled Medical Radiology, ISSN 0025-8334). In 2018, the journal received Online ISSN: 2618-9615 and was registered as an electronic online publication in Roskomnadzor on March 29, 2018. It publishes original research articles which cover questions of radiobiology, radiation medicine, radiation safety, radiation therapy, nuclear medicine and scientific reviews. In general the journal has more than 30 headings and it is of interest for specialists working in thefields of medicine¸ radiation biology, epidemiology, medical physics and technology. Since July 01, 2008 the journal has been published by State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency. The founder from 1956 to the present time is the Ministry of Health of the Russian Federation, and from 2008 to the present time is the Federal Medical Biological Agency.
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Medical Radiology and Radiation Safety. 2022. Vol. 67. № 4
X-ray Estimation of Structural-topographic Parameters of the Tempo-low Jaund
Joint After Orthognic Surgical Treatment of Dental Jaws with Condition
M.A. Mokhirev, O.S. Kaganova, V.N. Olesova, V.I. Ermolin, E.E. Olesov, A.A. Ilyin
A.I. Burnasyan Federal Medical Biophysical Center, Moscow, Russia.
Contact person: Olesova Valentina Nikolaevna, This email address is being protected from spambots. You need JavaScript enabled to view it.
ABSTRACT
Purpose: Using the methods of radiation diagnostics, to trace in dynamics the structural and topographic state of the temporomandibular joint (TMJ) before and after orthognathic treatment of patients with air conditioning
Material and Methods: A CT analysis of the TMJ condition was carried out before and after orthodontic surgical removal of the dentofacial anomaly (skeletal form) with the effects of Candyline resorption. We used the method of Fadeev R.A. et al. to assess the TMJ parameters: height of the head of the lower jaw; anterior and posterior articular angle; the width of the joint space in the upper, anterior, posterior, mesial and lateral sections; maximum width of the head of the lower jaw; density of cortical and cancellous bones of the head of the lower jaw; height of the articular fossa; the length of the anterior slope of the articular fossa; angle of the anterior slope of the articular fossa; the length of the posterior slope of the articular fossa; angle of the posterior slope of the articular fossa.
Results: Comparison of CT parameters of TMJ before and after orthognathic treatment reveals a positive trend in remodeling of the articular process of the lower jaw after surgery, as evidenced by a noticeable increase in the width of the head of the lower jaw with a slight decrease in its height. The absence of compression in the bilaminar zone of the TMJ is recorded due to an increase in the width of the joint space in the posterior section, although the width of the joint space in the upper and anterior sections still does not correspond to normal values. The preservation of a lower density of the cortical and spongy layers of the articular head in comparison with the norm is apparently associated with continued adaptation to the new position of the articular processes and changed functional loads.
Conclusion: A comprehensive orthodontic and surgical approach to the elimination of dentoalveolar anomalies is effective and can be recommended in the treatment of patients with skeletal anomalies and condyloresorption, as it provides not only a significant improvement in facial aesthetic parameters, but also has a positive effect on the structural and topographic parameters of the temporomandibular joint.
Keywords: maxillofacial anomaly, temporomandibular joint, orthognathic surgery, computed tomography, condition dynamics
For citation: Mokhirev MA, Kaganova OS, Olesova VN, Ermolin VI, Olesov EE, Ilyin AA. X-ray Estimation of Structural-topographic Parameters of the Tempo-low Jaund Joint After Orthognic Surgical Treatment of Dental Jaws with Condition. Medical Radiology and Radiation Safety. 2022;67(4):57-61. DOI: 10.33266/1024-6177-2022-67-4-57-61
References
1. Shipika D.V. Sovershenstvovaniye Diagnostiki i Lecheniya Zabolevaniy VNCHS u Patsiyentov s Anomaliyami Prikusa = Improving the Diagnosis and Treatment of TMJ Diseases in Patients with Malocclusion. Extended abstract of candidate’s thesis in Medicine. Moscow Publ., 2012. 26 p. (In Russ.).
2. Hwi-Dong J., Sang Yoon K., Hyung-Sik P., Young-Soo J. Orthognathic Surgery and Temporomandibular Joint Symptoms. Maxillofacial Plastic and Reconstructive Surgery. 2015;37:14.
3. Dujoncquoy J.P., Ferri J., Raoul G., Kleinheinz J. Temporomandibularjoint Dysfunction and Orthognathic Surgery: a Retrospective Study. HeadFace Med. 2010;27:6.
4. Kreutziger K.L., Mahan P.E. Temporomandibular Degenerative Joint Diseas. Oral Surgery Oral Medicine and Oral Pathology. 1975;40;2:165–168.
5. Anuna Laila Mathew, Amar A. Sholapurkar, and Keerthilatha M. Pai Condylar Changes and Its Association with Age, TMD, and Dentition Status: A Cross-Sectional Study. Int. J. Dent. 2011:1-7.
6. Fadeev R.A., Zotova N.Yu., Kuzakova A.V. Method for Examining the Temporomandibular Joints Using Dental Computed Tomography. Institut Stomatologii = The Dental Institute. 2011;4:34-36 (In Russ.).
PDF (RUS) Full-text article (in Russian)
Conflict of interest. The author declare no conflict of interest.
Financing. The study had no sponsorship.
Contribution. Article was prepared with equal participation of the authors
Article received: 20.04.2022. Accepted for publication: 25.05.2022