Science and Innovations in MedicineScience and Innovations in Medicine2500-13882618-754XFSBEI of Higher Education SamSMU of Ministry of Health of the Russian Federation8139310.35693/2500-1388-2021-6-3-17-20Research ArticleHyperdentia in adult patient in the ENT practiceFilevaLyubov V.<p>assistant of the Otorhinolaryngology Department named after academician I.B. Soldatov</p>s-amor@inbox.ruhttps://orcid.org/0000-0001-6458-1914BaryshevskayaLyudmila A.<p>PhD, Associate professor, Otorhinolaryngology Department named after academician I.B. Soldatov</p>baryshevskaya.ludmila@gmail.comhttps://orcid.org/0000-0002-6536-8784ChernyshenkoInna O.<p>PhD, assistant of the Otorhinolaryngology Department named after academician I.B. Soldatov</p>inna_chernysh@inbox.ruhttps://orcid.org/0000-0002-2781-2733ZavalkoTatyana A.<p>Head of the Otorhinolaryngology Department, PhD, assistant of the Otorhinolaryngology Department named after academician I.B. Soldatov</p>fzavalko@mail.ruhttps://orcid.org/0000-0003-1955-6423RodionovaSvetlana V.<p>Head of the Department of Otorhinolaryngology</p>valia.rodionov@yandex.ruhttps://orcid.org/0000-0002-8322-5883ZelevaOlesya V.<p>otorhinolaryngologist of ENT department</p>olesyalorik@gmail.comhttps://orcid.org/0000-0002-8136-7773KotovaYuliya D.<p>Clinical resident of the Department of Otorhinolaryngology named after academician I.B. Soldatov</p>strelcova.ylia@mail.ruhttps://orcid.org/0000-0001-9590-0447Samara State Medical UniversitySamara Clinical Hospital №8300920216317202809202128092021Copyright © 2021, Fileva L.V., Baryshevskaya L.A., Chernyshenko I.O., Zavalko T.A., Rodionova S.V., Zeleva O.V., Kotova Y.D.2021<p>According to the literature, such dentition anomaly as supernumerary teeth is more common in the practice of a dentist than of an otorhinolaryngologist. Clinical manifestations of this pathology in adults are less frequent than in children. Periodically, there appear descriptions of individual cases of hyperdentia, in which the tooth is located in the nasal cavity, paranasal sinuses, orbit. It is not always possible to find such a tooth on examination, therefore, additional research methods help to determine the location and pathological process in more detail. We present our clinical observation of tooth retention and ectopia in the nasal cavity and upper jaw. The diagnosis was confirmed by the data of endoscopic examination and computed tomography of the paranasal sinuses. The ectopic tooth was found before the development of pronounced local inflammation. The tooth was removed from the nasal cavity using endoscopic techniques, no communication between the nasal cavity and the oral cavity was found. The postoperative period was uneventful. On examination two weeks after the operation, no pathological changes in the nasal cavity, paranasal sinuses were found, as well as defects in the mucous membrane and bone part of the nasal cavity floor.</p>supernumerary toothnasal cavityсверхкомплектный зубполость носа[Shcherbakov DA, Volodeev AV, Lukmanov VI, et al. Dental maxillary sinusitis. A practical guide for doctors. Tyumen', 2016. (In Russ.). [Щербаков Д.А., Володеев А.В., Лукманов В.И. Стоматогенный верхнечелюстной синусит. Практическое руководство для врачей. Тюмень; 2016].][Piskunov GZ, Piskunov SZ. Clinical rhinology. M., 2017. (In Russ.). [Пискунов Г.З., Пискунов С.З. Клиническая ринология. М., 2017].][Kopaliani MM. Supernumerary teeth. Causes of appearance, diagnosis and treatment. Bulletin of Medical Internet Conferences. 2018;8(7):294. (In Russ.). Копалиани М.М. Сверхкомплектные зубы. Причины появления, диагностика и лечение. Bulletin of Medical Internet Conferences. 2018;8(7):294. ISSN 2224-6150][Avdeeva EA, Evtukhov VL. Diseases of teething: classification, clinical picture, diagnosis, treatment. Minsk, BGMU, 2013. (In Russ.). [Авдеева Е.А., Евтухов В.Л. Болезни прорезывания зубов: классификация, клиника, диагностика, лечение. Минск, БГМУ, 2013].][Babiyak VI, Govorun MI, Nakatis YaA. Guide. Otorhinolaryngology. Volume 1. SPb., 2009. (In Russ.). [Бабияк В.И., Говорун М.И., Накатис Я.А. Руководство. Оториноларингология. Том 1. СПб., 2009].][Boenko DS, Talalaenko IA, Chybar VA, Boenko ND. Supercomplete retained tooth of the bottom of nasal cavity in a patient with changes of the intranasal structures. Yniversitetskaya Klinika. 2019;2(31):100-104. (In Russ.). [Боенко Д.С., Талалаенко И.А., Чубарь В.А., Боенко Н.Д. Сверхкомплектный ретенированный зуб дна полости носа у пациентки с изменениями внутриносовых структур. Университетская Клиника. 2019;2(31):100-104. https://doi.org/10.1136/bcr-2018-226745https://doi.org/10.1136/bcr-2018-226745]