Restorative Dentistry and Endodontics

  • 제47권1호
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  • Pages.1.1-1.13
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  • 2022
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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Shape and anatomical relationship of the mental foramen to the mandibular premolars in an Indian sub-population: a retrospective CBCT analysis

  • Komal Sheth (Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College) ;
  • Kulvinder Singh Banga (Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College) ;
  • Ajinkya M. Pawar (Department of Conservative Dentistry and Endodontics, Nair Hospital Dental College) ;
  • James L. Gutmann (Department of Endodontics, Nova Southeastern University) ;
  • Hyeon-Cheol Kim (Department of Conservative Dentistry, School of Dentistry, Dental Research Institute, Pusan National University)
  • 투고 : 2021.04.06
  • 심사 : 2021.06.13
  • 발행 : 2022.02.28
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초록

Objectives: This study assessed the shape and anatomical relationship of the mental foramen (MF) to mandibular posterior teeth in an Indian sub-population. Materials and Methods: In total, 475 existing cone-beam computed tomography records exhibiting 950 MFs and including the bilateral presence of mandibular premolars and first molars were assessed. Images were evaluated 3-dimensionally to ascertain the position, shape, and anatomical proximity of MFs to mandibular teeth. The position and shape of MFs were measured and calculated. The Pythagorean theorem was used to calculate the distance between the root apex of the mandibular teeth and the MF. Results: MFs exhibited a predominantly round shape (left: 67% and right: 65%) followed by oval (left: 30% and right: 31%) in both males and females and in different age groups. The root apices of mandibular second premolars (left: 71% and right: 62%) were closest to the MF, followed by distal to the first premolars and mesial to the second premolars. The mean vertical distance between the MF and the nearest tooth apex calculated on sagittal sections was 2.20 mm on the right side and 2.32 mm on the left side; no significant difference was found according to sex or age. The distance between the apices of the teeth and the MF was ≥ 4 mm (left; 4.09 ± 1.27 mm and right; 4.01 ± 1.15 mm). Conclusions: These findings highlight the need for clinicians to be aware of the location of the MF in treatment planning and while performing non-surgical and surgical endodontic procedures.

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참고문헌

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