Microanatomy features in third molars roots adjacent to mandibular canal

Kuzin A.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0001-6167-5421

Vedyaeva A.P.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0002-7783-0841

Sogachyova V.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0002-7465-1100

Gurin A.N.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0002-2845-2434

Remizov G.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0003-4794-7181

Microanatomy features in third molars roots adjacent to mandibular canal

Authors:

Kuzin A.V., Vedyaeva A.P., Sogachyova V.V., Gurin A.N., Remizov G.V.

More about the authors

Journal: Stomatology. 2023;102(6): 16‑21

DOI: 10.17116/stomat202310206116

Downloaded: 30

Download PDF (RU)

Contact the author

Table of contents

To cite this article:

Kuzin AV, Vedyaeva AP, Sogachyova VV, Gurin AN, Remizov GV. Microanatomy features in third molars roots adjacent to mandibular canal. Stomatology. 2023;102(6):16‑21. (In Russ.)
https://doi.org/10.17116/stomat202310206116

Close metadata

THE PURPOSE

Of the study is to reduce the risk of postoperative neuropathy of the inferior alveolar nerve by improving diagnostic methods, assessment of individual topographic and anatomical features and extraction technique of impacted teeth adjacent to the mandibular canal.

MATERIALS AND METHODS

According to the CBCT examination, orthopantomography and macroscopic examination of removed third molars roots (n=140) the relative position of the mandibular canal and the roots of the third molars were studied.

RESULTS

Three variants of close mandibular canal and third molars position have been identified. In the lateral and apical nerve position, the root surface depressions were detected. With inter-radicular position fit, the mandibular canal and the nerve bundle form a «bed» in between impacted tooth roots.

CONCLUSION

The injury of neurovascular bundle prognosis during extraction with an interadicular mandibular position depends on roots anatomy and their convergence degree. If the interradicular distance is less than the diameter of the mandibular canal, nerve injury during tooth extraction is inevitable, in such cases coronectomy is indicated.

Keywords:

coronectomy

mandibular canal

inferior alveolar nerve

impacted tooth extraction

mandibular anatomy

postoperative paresthesia

Authors:

Kuzin A.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0001-6167-5421

Vedyaeva A.P.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0002-7783-0841

Sogachyova V.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0002-7465-1100

Gurin A.N.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0002-2845-2434

Remizov G.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0003-4794-7181

Received:

16.03.2023

Accepted:

29.05.2023

List of references:

Kuzin AV, Sogacheva VV, Gurin AN, Syomkin VA, Sogachev GV, Remizov GV. Surgical treatment tactics in patients with third molars located close to mandibular canal. Stomatologiya. 2022;101(6):73-78. (In Russ.). https://doi.org/10.17116/stomat202210106173
Kulakov AA, Andreeva SN. Analysis of compensation payments for moral damage in cases related to poorly provided dental care (2013-2022). Stomatologiya. 2022;101(6):62-68. (In Russ.). https://doi.org/10.17116/stomat2022101061622
Kagan II, Kolesnikov LL. Topografoanatomicheskie terminy kak sostavnaya chast’ mezhdunarodnoj anatomicheskoj terminologii. Morfologiya. 2011; 39(2):92-101. (In Russ).
Yilmaz D, Ataman-Duruel ET, Beycioğlu Z, Goyushov S, Çimen T, Duruel O, Tözüm TF. The radiological evaluation of mandibular canal related variables in mandibular third molar region: a retrospective multicenter study. J Oral Maxillofac Res. 2022;30;13(3):2. https://doi.org/10.5037/jomr.2022.13302
Ueda M, Nakamori K, Shiratori K, Igarashi T, Sasaki T, Anbo N, Kaneko T, Suzuki N, Dehari H, Sonoda T, Hiratsuka H. Clinical significance of computed tomographic assessment and anatomic features of the inferior alveolar canal as risk factors for injury of the inferior alveolar nerve at third molar surgery. J Oral Maxillofac Surg. 2012;70(3):514-520. https://doi.org/10.1016/j.joms.2011.08.021
Ghaeminia H, Meijer GJ, Soehardi A, Borstlap WA, Mulder J, Bergé SJ. Position of the impacted third molar in relation to the mandibular canal. Diagnostic accuracy of cone beam computed tomography compared with panoramic radiography. Int J Oral Maxillofac Surg. 2009;38(9):964-971. https://doi.org/10.1016/j.ijom.2009.06.007
Badalyan VA, Drobot GV, Brutyan VA, Kopylov MV. Metodika udaleniya retinirovannyh tret’ih molyarov pri tesnom raspolozhenii s nizhneal’veolyarnym nervom. Klinicheskaya stomatologiya. 2019;2:58-61. (In Russ.). https://doi.org/10.37988/1811-153X_2019_2_58
Goryacheva EV, Zyul’kina LA, Koretskaya EA, Chesnykh EA, Kofova TE. Morfologicheskie osobennosti polozheniya nizhnechelyustnogo kanala po otnosheniyu k kornyam tret’ih molyarov (obzor literatury). Izvestiya vysshih uchebnyh zavedenij. Povolzhskij region. Medicinskie nauki. 2021;3(59): 77-89. (In Russ.).
Caj GE, Lavrent’ev PA, Lavrent’ev AA. Topografo-anatomicheskie zakonomernosti morfologicheskogo stroeniya nizhnej chelyusti. Orenburgskij medicinskij vestnik. 2013;4. (In Russ.).
Gajvoronskij IV, Petrova TB. Anatomiya zubov cheloveka.SPb.: Izdatel′stvo ELBI-SPb; 2005. (In Russ.).
Zhang W, Tang Y, Liu C, Shen Y, Feng X, Gu Y. Root and root canal variations of the human maxillary and mandibular third molars in a Chinese population: A micro-computed tomographic study. Arch Oral Biol. 2018; 95:134-140. https://doi.org/10.1016/j.archoralbio.2018.07.020

Close metadata