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J Clin Exp Dent. 2018 Oct 1;10(10):e992-e995. doi: 10.4317/jced.55231. eCollection 2018 Oct.

Coronectomy - An alternative approach to remove impacted teeth in oncological patients.

Author information

1
DDS, PhD, Head of Stomatology Department, A. C. Camargo Cancer Center, São Paulo, Brazil. Professor of the Department of Stomatology, University of São Paulo, School of Dentistry, São Paulo, Brazil.
2
DDS, MSc, PhD student, Department of Stomatology, A. C. Camargo Cancer Center, São Paulo, Brazil.
3
DDS, PhD, Emeritus Professor of Oral Pathology, Universidad Peruana Cayetano Heredia, Lima, Peru.
4
DDS, PhD, Professor of Oral Pathology, Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Piracicaba, Brazil.

Abstract

Background:

Coronectomy involves the section of the tooth crown leaving the roots in the socket. Possibility of inferior alveolar nerve injury and mandibular fracture are the main indications for this approach. Herein, we describe a case series of coronectomy to highlight its indication in normal and oncological patients.

Material and Methods:

A total of 9 patients were submitted to coronectomy, 6 of them were oncological. Three patients were evaluated before head and neck radiotherapy (HNRT), 2 after HNRT and 1 before bone marrow transplantation.

Results:

Mean age of the patients was 49 years, most of them male (n=7). Lower third molars were the main teeth that received this procedure, and all cases presented intimate anatomic relationship between the roots and the mandibular canal. Moreover, three cases also presented evident mandibular fracture risk in removing the tooth. During the follow-up period, none complications were observed related to coronectomy and oncological treatment.

Conclusions:

Coronectomy is a safe approach including for cancer patients and it should be considered in high-risk impacted teeth extractions. Key words:Coronectomy, impacted teeth, oncological patients, postoperative complications.

Conflict of interest statement

Conflict of interest statement: The authors declare not to have any conflict of interest.

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