(2019), «EUREKA: Health Sciences» Number 2 26 Medicine and Dentistr y Clinical case reports DIAGNOSTICS OF SUPERNUMERARY TEETH IN ORTHODONTIC RELAPSE Oleksii Bindiuhin Department of Pediatric Dentistry DZ “Dnipropetrovsk Medical Academy of the Ministry of Health of Ukraine” 42 Slobozhansky ave., Dnipro, Ukraine, 49000 dentum76@ukr.net Abstract Aim: increasing the effectiveness of diagnosis and further orthodontic-surgical treatment of various clinical forms of hyper- dontia (supernumerary teeth) and preventing recurrence with the use of cone-ray computer tomography data in orthodontic practice. Materials and methods. The clinical case of patient (born in 2004) treatment is presented, with severe hyperdontia and retention of teeth that had little effect on the formation of the general confguration of occlusion. The patient’s examination and treatment was carried out with the assistance of clinical, anthropometric and radiological data. The clinical method was to examine the patient and formulate a plan for further orthodontic therapy. The radiological method consisted of data analysis of cefalometry by Bjork, Steiner using a computer program and conducting a survey using a cone-ray computer tomography, followed by the use of these data in diagnosis and orthodontic treatment. Results. Following the clinical and radiological methods of examination and subsequent orthodontic surgery, the corre- sponding end results were obtained: 1. The localization and topography of supernumerary teeth as the causes of relapse of pathology with the help of data ob- tained with the help of CBCT. 2. Radiographic picture refected on the sagital and axial re-formats of tomo-grams for the diagnosis of supernumerary teeth, is more informative than diagnostics by standard diagnostic protocols. 3. After analysis of the study data, a more meaningful protocol of surgical intervention is prescribed. 4. Implementation of the results of modern diagnostics signifcantly infuenced on the fnal result of orthodontic treatment. Conclusions. Thus, in the process of corresponding work installed: – the availability of computer tomography data is crucial for objective and qualitative diagnosis and treatment of hypertension. – the general level of diagnostics during the intervention is signifcantly in-creased. Keywords: hyperodynthia, supernumerary teeth, computed tomography, cephalometric studies, orthodontic-surgical treatment. DOI: 10.21303/2504-5679.2019.00883 © Oleksii Bindiuhin 1. Introduction In the diagnosis of tooth-jaw anomalies, the frequency of manifestations of the problem of supernumerary teeth is about 0.9 % among other dental anomalies. The frequency of detecting supernumerary teeth by X-ray examination is higher than that obtained in a clinical study. Thus, according to the results of the clinical examination, the level of detected supernumerary teeth was only 0.3 %, while simultaneously with the X-ray examination it can reach 4 %, which confrms the necessity of using X-ray control of any form of delayed teeth eruption [1, 2]. Usually panoramic radiography is used to detect and diagnose hyperdontia, and thus ob- tain a two-dimensional, fat, aggregate image of an object. Unlike panoramic tomography us- ing cone-beam computer tomography, the study scans the three-dimensional object completely, which makes it possible to study any part of the jaws in all planes and at any depth [3–6]. The object scan and the future reproduction of the jaw model allows you to determine the spatial po- sition of the teeth, shape, angle of inclination relative to the roots of the adjacent teeth, and most importantly – expands the planning capabilities of removing supernumerary teeth with complex topographic and morphological location [1, 3]. The use of cone-ray computed tomography orig- inates at the end of the 20th century. The original instrument was frst used in the early 1980s of the 20th century by the Mayo Clinic Biodynamics Research Laboratory [3, 7] for the study of cardiac and lung functional activity, available as a new diagnostic tool for macho-facial diagno- sis, thanks to its work in 1995 Attilio Tacconi and Piero Mozzo at the Quantitative Radiology, Inc. Laboratory of Verona, in Italy. Subsequently, this method was widely presented during the