Localization of Mandibular Canal in Dentulous and Edentulous Regions

Year 2024, Volume: 14 Issue: 1, 216 - 222, 28.03.2024

Muhammed Enes Naralan , Taha Emre Köse , Dilara Nil Günaçar , Zeynep Yeşil Duymuş

https://doi.org/10.33808/clinexphealthsci.1269849

Abstract

Objectives: Retrospective determination of the changes in the mandibular canal (MC) course in men and women in the second premolar, first molar and second molar regions of the dentulous and edentulous mandible.
Methods: In CBCT images of 274 patients aged 18-88 years who were systemically healthy, the distances of the outer cortex of the MC to the mandible superior, lingual, inferior and buccal cortical bone border were measured in the right and left mandible 2nd premolar, 1st molar and 2nd molar regions. In these regions, the differences in MC course between left and right hemimandible, dentulous and edentulous, and males and females were examined by independent t-test and paired t-test (p< .05).
Results: As a result of the statistical analysis, statistical significance was observed in the linear measurements of the MC to the superior cortical bone border in dentulous and edentulous patients in the relevant regions. In female and male patients, the distance of the MC to the inferior cortical edge of the mandible in the dentulous and edentulous dentition was statistically less in females. The superior distance of the mandible was found to be less in the edentulous regions than in the dentulous regions.
Conclusions: The course of the MC in the posterior mandible is generally close to the inferior and lingual wall, but it changes direction towards the superior and buccal regions as it approaches the mental foramen. Furthermore, in women, the MC is located closer to the inferior border of the mandible compared to men.

Keywords

Cone-beam computed tomography, edentulous, mandibular canal, mandible

Supporting Institution

None

Project Number

None

Thanks

None

References

• Khorshidi H, Raoofi S, Ghapanchi J, Shahidi S, Paknahad M. Cone beam computed tomographic analysis of the course and position of mandibular canal. J Maxillofac Oral Surg. 2017;16(3):306-311. DOI:10.1007/s12663-016-0956-9.
• Fistarol F, De Stavola L, Fincato A, Bressan E. Mandibular canal position in posterior mandible: Anatomical study and surgical considerations in relation to bone harvesting procedures. Int J Periodontics Restorative Dent. 2019;39(6):e211-e218. DOI:10.11607/prd.3984.
• Iscan D, Motro M, Acar A. Postoperative positional and dimensional changes of mandibular canal after bilateral sagittal split set-back osteotomy. Turk J Orthod. 2017;30(4):110-117. DOI:10.5152/TurkJOrthod.2017.17017.
• Asaria I, Lagravère MO. Mandibular canal changes assessed using three-dimensional imaging (CBCT). Int Orthod. 2018;16(4):712-732. DOI:10.1016/j.ortho.2018.09.019.
• Sekerci AE, Sahman H. Cone beam computed tomographic analyses of the position and course of the mandibular canal: relevance to the sagittal split ramus osteotomy. Biomed Res Int. 2014;2014:1-11. DOI:10.1155/2014/945671.
• Nimigean V, Sîrbu VD, Nimigean VR, Bădiţă DG, Poll A, Moraru SA, Păun DL. Morphological assessment of the mandibular canal trajectory in edentate subjects. Rom J Morphol Embryol. 2018;59(1):235-242.
• Safaee A, Mirbeigi S, Ezoddini F, Khojastepour L, Navab-Azam A. Buccolingual course of the inferior alveolar canal in different mental foramen locations: a cone beam computed tomography study of an iranian population. Int J Appl Basic Med Res. 2016;6(4):262-266. DOI:10.4103/2229-516X.192589.
• Faul F, Erdfelder E, Lang A-G, Buchner A. G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences. Behav Res Methods. 2007;39(2):175-191. DOI:10.3758/BF03193146.
• Koo TK, Li MY. A guideline of selecting and reporting intraclass correlation coefficients for reliability research. J Chiropr Med. 2016;15(2):155-163. DOI:10.1016/j.jcm.2016.02.012.
• Kieser J, Kieser D, Hauman T. The course and distribution of the inferior alveolar nerve in the edentulous mandible. J Craniofac Surg. 2005;16(1):6-9. DOI:10.1097/00001665-200501000-00003.
• Kalabalik F, Aytuğar E. Localization of the mandibular canal in a turkish population: a retrospective cone-beam computed tomography study. J Oral Maxillofac Res. 2019;10(2).e2. DOI:10.5037/jomr.2019.10202.
• Kim ST, Hu K-S, Song W-C, Kang M-K, Park H-D, Kim H-J. Location of the mandibular canal and the topography of its neurovascular structures. J Craniofac Surg. 2009;20(3):936-939. DOI:10.1097/SCS.0b013e3181a14c79.
• Oliveira-Santos C, Capelozza ALÁ, Dezzoti MSG, Fischer CM, Poleti ML, Rubira-Bullen IRF. Visibility of the mandibular canal on cbct cross-sectional images. J Appl Oral Sci. 2011;19(3):240-243. DOI:10.1590/S1678-77572011000300011.
• Ylikontiola L, Moberg K, Huumonen S, Soikkonen K, Oikarinen K. Comparison of three radiographic methods used to locate the mandibular canal in the buccolingual direction before bilateral sagittal split osteotomy. Oral Surg Oral Med Oral Pathol Oral Radiol. 2002;93(6):736-742. DOI:10.1067/moe.2002.122639.
• Alrahaimi SF, Venkatesh E. Localization of mandibular canal and assessment of the remaining alveolar bone in posterior segment of the mandible with single missing tooth using cone-beam computed tomography: a cross sectional comparative study. J Korean Assoc Oral Maxillofac Surg. 2017;43(2):100-105. DOI:10.5125/jkaoms.2017.43.2.100.
• Kilic C, Kamburoğlu K, Ozen T, Balcioglu HA, Kurt B, Kutoglu T, Ozan H. The position of the mandibular canal and histologic feature of the inferior alveolar nerve. Clin Anat. 2010;23(1):34-42. DOI:10.1002/ca.20889.
• Cawood JI, Howell RA. A classification of the edentulous jaws. Int J Oral Maxillofac Surg. 1988;17(4):232-236. DOI:10.1016/S0901-5027(88)80047-X.
• Bhardwaj D, Kumar JS, Mohan V. Radiographic evaluation of mandible to predict the gender and age. J Clin Diagnostic Res. 2014;8(10):ZC66-ZC69. DOI:10.7860/JCDR/2014/9497.5045.
• Güler AU, Sumer M, Sumer P, Biçer I. The evaluation of vertical heights of maxillary and mandibular bones and the location of anatomic landmarks in panoramic radiographs of edentulous patients for implant dentistry. J Oral Rehabil. 2005;32(10):741-746. DOI:10.1111/J.1365-2842.2005.01499.X.
• Vinay G, Mangala Gowri SR, Anbalagan J. Sex determination of human mandible using metrical parameters. J Clin Diagnostic Res. 2013;7(12):2671-2673. DOI:10.7860/JCDR/2013/7621.3728.