Improving the safety of surgical procedures on the mandible, considering the individual anatomy of the nutrient foramens and micrccanals


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Abstract

Vascular injury in osteotomy step during dental implantation in the site of incisors and canines of the mandible can cause bleeding and the subsequent development of mouth floor hematoma. Generally, these complications are associated with iatrogenic fault of the lingual cortical bone integrity and vascular microchannels of the mandible involving the braches of sublingval artery. The authors studied CBCT archival data of 144 patients at the Department of Dental Surgery (I.M. Sechenov MSMU). Nutrient foramens and mandibular microchannels topography have been studied by software. It was found nutrient foramens: above the chin spine (84.09%), at the chin spine (93.17%), foramen located laterally and slightly below the chin spine at the digastric fossa (68.17%). All of these nutrient foramens had intraosseous continuation as microchannels with different diameters. The authors recommend at the planning stage of dental implantation, especially, in the anterior region of the mandible consider the location of nutrient foramina on the lingual surface of the mandible, to prevent complications.

About the authors

S. V Tarasenko

I.M. Sechenov First Moscow State Medical University

119991, г. Москва

A. V Kusin

I.M. Sechenov First Moscow State Medical University

119991, г. Москва

Artavaz Sarkisovich Mikoyan

I.M. Sechenov First Moscow State Medical University

Email: dd87@inbox.ru
119991, г. Москва

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