Concrescent Teeth: Extraction Implications - A Case Report

Łukasz Woźniak1, *, Kamila Łukaszuk2, Bożena Antonowicz1, Janusz Szarmach1, Jan Borys2
1 Department of Oral Surgery, Medical University of Bialystok, Bialystok, Poland
2 Department of Maxillofacial and Plastic Surgery, Medical University of Bialystok, Bialystok, Poland

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Creative Commons License
© 2022 Woźniak et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address corresponding to this author at the Department of Oral Surgery Medical University of Bialystok, M.C, Sklodowskiej 24A, 15-276 Bialystok, Poland; Tel: +48 85 748 57 69; Fax: +48 85 748 57 71; E-mail:



Concrescent teeth belong to the group of double teeth with disturbed anatomy of shape and structure. The concrescence consists of the aggregation of root cementum of adjacent teeth. This anomaly usually concerns the upper teeth in the lateral part of the jaw. Concrescent teeth can be treated conservatively, endodontically, orthodontically and surgically.


The aim of this article is to present the case of the concrescence of upper teeth, a second molar tooth with an impacted third molar, and to draw the attention of clinicians to this rare anomaly that may cause medical and legal problems.

Case presentation:

This article presents the case of a 53-year-old woman who reported to the dentist’s office to extract tooth 17 due to chronic periodontitis and an impacted and abnormally placed tooth 18.


During the extraction, concrescence of the teeth was noted. The teeth were removed, and the alveoli were surgically treated. The postoperative period was uncomplicated.


In this paper, the authors draw the attention of clinicians to the fact that the occurrence of concrescent teeth in clinical practice is rare and that it is difficult to diagnose this anomaly on the basis of routine radiological diagnostics based on 2D images. They also point to the necessity of a thorough physical examination and a thorough assessment of teeth before extraction, the extension of imaging diagnostics by conical CT scan in justified cases, and informing the patient about possible complications. In order to avoid serious complications, the extraction of the concrescent teeth should be performed by an experienced specialist in dental or maxillofacial surgery.

Keywords: Concrescentent teeth, Unerupted teeth, Dental anomaly, Case report, Extraction, Oral cavity.