Case Report
 
A case of inversely fused tooth of impacted maxillary third molar and supernumerary tooth
Eiji Mitate1,2, Shintaro Kawano2, Yurie Mikami2, Tamotsu Kiyoshima3, Tetsuro Ikebe1, Seiji Nakamura2
1Section of oral surgery, Department of Oral and Maxillofacial Surgery, Fukuoka Dental College, 2-15-1, Tamura, Sawara-ku, Fukuoka 814-0175, Japan.
2Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical, Sciences, Faculty of Dental Science, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
3Laboratory of Oral Pathology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.

Article ID: Z01201702CR10762EM
doi:10.5348/ijcri-201723-CR-10762

Address correspondence to:
Eiji Mitate
DDS, PhD, Section of oral surgery
Department of Oral and Maxillofacial Surgery, Fukuoka Dental College
2-15-1, Tamura, Sawara-ku, Fukuoka 814-0175
Japan

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How to cite this article
Mitate E, Kawano S, Mikami Y, Kiyoshima T, Ikebe T, Nakamura S. A case of inversely fused tooth of impacted maxillary third molar and supernumerary tooth. Int J Case Rep Images 2017;8(2):129–132.


Abstract
We report an extremely rare case of an impacted maxillary third molar inversely fused with a supernumerary tooth in a 51-year-old male. The panoramic and dental radiographs show a radiopaque and tooth-like mass of 20×15 mm located in the third maxillary region of the right maxilla. Computed tomography revealed that the tooth-like structure was a union of the impacted maxillary third molar with a inversed supernumerary tooth, creating a fused tooth with a common dental pulp. To our knowledge, only one case of inversely fusion of a maxillary third molar with a supernumerary tooth has been reported.

Keywords: Anomaly. Impacted third molar, Inversed fused tooth, Maxilla, Supernumerary tooth


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Author Contributions
Eiji Mitate – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Shintaro Kawano – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Yurie Mikami – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Tamotsu Kiyoshima – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Tetsuro Ikebe – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Seiji Nakamura – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2017 Eiji Mitate et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.