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LETTER TO THE EDITOR
Year : 2019  |  Volume : 22  |  Issue : 4  |  Page : 234-235

Three-rooted mandibular third molar in a Nigerian adult


Department of Oral and Maxillofacial Surgery/Pathology, OAUTH, Ile-Ife, Osun State, Nigeria

Date of Submission25-Jul-2018
Date of Acceptance11-Sep-2018
Date of Web Publication29-Nov-2019

Correspondence Address:
Dr. Aliu Adamson Rufai
Department of Oral and Maxillofacial Surgery/Pathology, OAUTH, Ile-Ife, Osun State
Nigeria
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DOI: 10.4103/smj.smj_44_18

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How to cite this article:
Rufai AA, Famurewa BA, Aregbesola SB. Three-rooted mandibular third molar in a Nigerian adult. Sahel Med J 2019;22:234-5

How to cite this URL:
Rufai AA, Famurewa BA, Aregbesola SB. Three-rooted mandibular third molar in a Nigerian adult. Sahel Med J [serial online] 2019 [cited 2019 Dec 15];22:234-5. Available from: http://www.smjonline.org/text.asp?2019/22/4/234/272142



Sir,

Two-rooted mandibular third molar is the norm in clinical dentistry. However, studies have reported rare occurrences of three-rooted mandibular third molars.[1],[2]

We report a case of a 34-year-old Nigerian female with a three-rooted right mandibular third molar. She was planned for extraction of the tooth on account of acute irreversible pulpitis secondary to dental caries. Periapical radiograph [Figure 1] showed three roots with the third located between the mesial and distal roots at the furcation.
Figure 1: Periapical radiograph

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The tooth was extracted through an intra-alveolar approach. Postexodontia evaluation of the tooth revealed the additional root at the buccal aspect of its cervical margin [Figure 2]. Based on the findings from radiograph and morphology of the extracted tooth, we are certain that the tooth has three roots, namely mesial, distal, and buccal roots.
Figure 2: Postexodontia picture

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Incidences of mandibular third molars with three roots in patients of Mongolian, Caucasian, and Negro origin are 0.9%, 0.8%, and 2.8%, respectively.[3] To the best of our knowledge, we are not aware of any report from Nigeria on the mandibular third molars with three roots.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Loh HS. Incidence and features of three-rooted permanent mandibular molars. Aust Dent J 1990;35:434-7.  Back to cited text no. 1
    
2.
Schneider T, Filo K, Kruse AL, Locher M, Grätz KW, Lübbers HT. Variations in the anatomical positioning of impacted mandibular wisdom teeth and their practical implications. Swiss Dent J 2014;124:520-38.  Back to cited text no. 2
    
3.
Ferraz JA, Pécora JD. Three-rooted mandibular molars in patients of Mongolian, Caucasian and Negro origin. Braz Dent J 1993;3:113-7.  Back to cited text no. 3
    


    Figures

  [Figure 1], [Figure 2]



 

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