A rare clinical finding of mandibular distomolar at Aminu Kano Teaching Hospital

Babatunde O. Bamgbose (Department of Oral Diagnostic Sciences, Faculty of Dentistry, Bayero University Kano, Kano Department of Oral and Maxillofacial Radiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama)
Zahrau S. Abdu (Department of Oral Diagnostic Sciences , Faculty of Dentistry, Bayero University Kano, Kano)
Olajumoke Enahoro (Department of Oral Diagnostic Sciences , Faculty of Dentistry, Bayero University Kano, Kano)
George Ewansiha (Department of Oral Diagnostic Sciences , Faculty of Dentistry, Bayero University Kano, Kano)
Anas I. Yahaya (Department of Anatomy, Faculty of Basic Medical Sciences, Bayero University Kano, Kano)
Edugie Ekuase (Department of Chemistry and Forensic Sciences, Savannah State University, Georgia)
Auwal S. Balarabe (Department of Child Dental Health, Faculty of Dentistry, Bayero University Kano, Kano)
Junichi Asaumi (Department of Oral and Maxillofacial Radiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama)

Journal of Dentomaxillofacial Science
Vol. 4 No. 2 (2019): (Available online: 1 August 2019)

Objective: Supernumerary teeth, also called fourth molar, in the mandibular molar region is a rare clinical finding. The reported prevalence of supernumerary teeth is 1.5-3.5% in the permanent dentition and 0.3-0.6% in the deciduous dentition. The supernumerary molars can be divided into two types: distomolars and paramolars.Methods: A 23-year-old female patient presented with symptoms of pericoronitis associated with an unerupted mandibular third molar at the Oral Diagnosis Clinic of the Aminu Kano Teaching Hospital. Periapical radiograph revealed an incidental finding of mandibular distomolar in the region of the left unerupted mandibular third molar.Results: This paper reports an unusual case of mandibular distomolar, incidence and prevalence, etiologic factors and management of mandibular distomolars.Conclusion: Distomolars are a rare clinical finding and are often impacted and located in the maxilla.