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Currently tooth-saving operations do not lose their relevance in dentistry. To achieve the desired result osteoplastic material are used to speed up the process of regeneration in the area of the bone’s defect. There is a wide choice of osteoplastic materials. It is also a huge amount of research on the eff ectiveness of these materials. However, in the literature there are confl icting reports about them. With the help of computer tomography were obtained data on bone density in the area of operation cystectomy with simultaneous radiectomy using demineralized spongiosis «Lioplast»® and material «CrossBone»®.

Resection of the root apex of tooth remains actual in treatment of chronic apical periodontitis in practice of dentists. To prevent possible complications of this operation osteoplastic materials are used. There are plenty of osteoplastic materials on the market. However, in the literature there are contradictory data on them.On the basis of X-ray studies the results of applying nondemineralized spongiosis «Lioplast»® and material «Kolapol» during the operation of resection of root apex of tooth are presented.

Chronic apical periodontitis can lead to the formation of large bone defects. The tooth, which became the cause of apical granuloma or cysts, often, have to be removed. Festering cyst can cause the development of an abscess or phlegmon of tissues in maxillofacial area and affect the health of the body. Timely endodontic treatment helps to avoid complications. The root cyst is often found in the diagnosis on the panoramic radiographs. This article provides a clinical case of endodontic treatment of a radicular cyst of the tooth.

Osica Piotr, Osica Karolina, Szczepkowska Aleksandra, Janas-Naze Anna. Rozległa torbiel korzeniowa żuchwy leczona metodą dwuetapową - opis przypadku = Large residual cyst in mandible treated by two-step method - case report. Journal of Education, Health and Sport. 2016;6(11):444-455. eISSN 2391-8306. DOI http://dx.doi.org/10.5281/zenodo.174791 http://ojs.ukw.edu.pl/index.php/johs/article/view/4019 The journal has had 7 points in Ministry of Science and Higher Education parametric evaluation. Part B item 755 (23.12.2015). 755 Journal of Education, Health and Sport eISSN 2391-8306 7 © The Author (s) 2016; This article is published with open access at Licensee Open Journal Systems of Kazimierz Wielki University in Bydgoszcz, Poland Open Access. This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited. This is an open access article licensed under the terms of the Creative Commons Attribution Non Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted, non commercial use, distribution and reproduction in any medium, provided the work is properly cited. This is an open access article licensed under the terms of the Creative Commons Attribution Non Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted, non commercial use, distribution and reproduction in any medium, provided the work is properly cited. The authors declare that there is no conflict of interests regarding the publication of this paper. Received: 02.11.2016. Revised 22.11.2016. Accepted: 27.11.2016. Rozległa torbiel korzeniowa żuchwy leczona metodą dwuetapową - opis przypadku Large residual cyst in mandible treated by two-step method - case report Piotr Osica1, Karolina Osica2, Aleksandra Szczepkowska1, Anna Janas-Naze1 1Zakład Chirurgii Stomatologicznej UM w Łodzi Kierownik: dr hab. n. med. prof. nadzw. Anna Janas-Naze 2Poradnia Stomatologii Ogólnej z Izbą Przyjęć CSK IS UM w Łodzi Kierownik: lek. stom. Ewa Malenta-Markiewicz Adres do korespondencji: Piotr Osica Zakład Chirurgii Stomatologicznej UM w Łodzi 92-213 Łódź, ul. Pomorska 251 e-mail: piotr.osica@umed.lodz.pl tel. 42 675 75 71 Praca finansowana przez Uniwersytet Medyczny w Łodzi w ramach działalności statutowej nr 503/2-163-01/503-21-001 Streszczenie W pracy opisano przypadek leczenia dwuetapowego rozległej torbieli korzeniowej w żuchwie u 58 letniego pacjenta. Słowa kluczowe: torbiel korzeniowa, obturator, metoda dwuetapowa Abstract The article presents the case of 58 year old man with large radicular cyst in mandible. Key words: radicular cyst, obturator, two-step method

The article presents a case of a 25 year old woman who for economic reasons decided to remove a tooth 47, initially qualified for root canal treatment due to extensive inflammatory lesions. At one time, partially impacted tooth 48 was removed, which is the cause of chronic inflammation of this region.

Objective: The aim the studi. Differential diagnosis of retention cysts of the maxillary sinus with odontogenic cysts, acute and chronic sinusitis, aspergillosis, and mucocele in preparation for sinus-lifting surgery., Material and Methods: The analysis of the case histories of 265 patients aged 18-65 years of both sexes who were treated at the dental clinic «Rudenta Family» from 2016 to 2021 was carried out. On the basis of clinical symptoms and data of cone-beam computed tomography (CBCT), a description of the pathologies of HPV is given for the purpose of differential diagnosis and correct interdisciplinary interaction with ENT doctors for the purpose of dental implantation in the lateral parts of the upper jaw., Results: In 90 (out of 265) patients (34%), a change in the condition of the maxillary sinus mucosa was detected. 18 patients (7%) for preoperative preparation were sent to the ENT department of the FSBI «CCB with polyclinic» of the UDP of the Russian Federation with diagnoses: chronic maxillary sinusitis of various etiologies and mucocele. In this group of patients, sinus lifting followed by dental implantation was performed 6 months after endoscopic maxillofacial surgery under the control of CBCT. Retention cyst Retention cysts of the maxillary sinus were of different sizes in 62 (23.4%) patients and, depending on the size and localization of the sinus-lifting was performed with simultaneous removal of the cyst, or without removal of the cyst., Conclusion: Retention cysts do not need to be removed as a preoperative preparation for sinus lifting. In the case of large sizes and difficulty in peeling the Schneider membrane, retention cysts are removed by a dental surgeon during antral augmentation as one of the stages of the operation. In such pathologies as odontogenic cyst, acute and chronic sinusitis, aspergillosis, mucocele, interdisciplinary interaction of ENT doctor and dentist is necessary. Differential diagnosis of maxillary snus pathology is carried out on the basis of clinical data and a picture of cone-beam computed tomography.

This article was designed to report the clinical case of the radicular cyst localized in the maxillary sinus of the 23 year-old man that had been detected before the surgical intervention was undertaken for its treatment. In the preceding visits of the patient to other medical settings, this condition was misinterpreted as a genuine (rhinogenic) cyst. It accounted for the choice of the inadequate surgical strategy for the management of this pathology. As a result, the patient experienced two relapse episodes of the disease. The thorough analysis of the patient's medical history and CT images of the sinus obtained during the 4 year follow up period allowed to establish the definitive diagnosis of odontogenic cyst of the upper jaw. The authors present a brief overview of the relevant scientific literature concerning etiology and pathogenesis as well as the methods of diagnostics and treatment of radicular cyst of the upper jaw.