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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2275

Title: Presence and course of the incisive canal in the human mandibular interforaminal region: two-dimensional imaging versus anatomical observations
Authors: Mraiwa, N
JACOBS, Romain
Moerman, P.
LAMBRICHTS, Ivo
van Steenberghe, D
Quirynen, M
Issue Date: 2003
Publisher: SPRINGER-VERLAG
Citation: SURGICAL AND RADIOLOGIC ANATOMY, 25(5-6). p. 416-423
Abstract: The objective of the present study was to evaluate the presence and course of the incisive canal in the mental interforaminal region of the human mandible and to describe the occurrence of anatomical variations. Mandibles of 50 adult human cadavers were retrieved from the Department of Anatomy of the Faculty of Medicine, Katholieke Universiteit Leuven (Leuven, Belgium). Forty mandibles were edentulous, while 10 mandibles were partially dentate. Intra-oral, panoramic and tomographic imaging of the interforaminal region of the human mandible were performed. Afterwards, mandibles were sawn into vertical sections according to the respective tomographic cross-sections. The latter allowed exploration for the presence and course of an anterior prolongation of the mandibular canal. Measurements of the location of the incisive canal towards the base of the mandible were made using a digital-sliding caliper. Results indicated a well-defined incisive canal [mean (SD) inner diameter 1.8 (0.5 mm)], macroscopically observed in 96% of mandibles. The incisive canal was located on average 9.7 mm (SD 1.8 mm) from the lower cortical border and continued towards the incisor region in a slightly downward direction, with a mean (SD) distance to the lower cortical border of 7.2 (2.1) mm. It was concluded that there is an anterior intraosseous extension of the mandibular canal, denoted as the incisive canal. The latter might be considered as a true anterior extension of the neurovascular bundle. Histological and neurophysiological studies are needed to verify this hypothesis and evaluate its potential clinical implications.
Notes: Katholieke Univ Leuven, Fac Med, Sch Dent Oral Pathol & Maxillofacial Surg, Oral Imaging Ctr, B-3000 Leuven, Belgium. Katholieke Univ Leuven, Fac Med, Sch Dent Oral Pathol & Maxillofacial Surg, Dept Periodontol, B-3000 Leuven, Belgium. Katholieke Univ Leuven, Fac Med, Dept Anat, B-3000 Leuven, Belgium. Limburgs Univ Ctr, Dept Med Basic Sci, Histol Grp, B-3590 Diepenbeek, Belgium.Jacobs, R, Katholieke Univ Leuven, Fac Med, Sch Dent Oral Pathol & Maxillofacial Surg, Oral Imaging Ctr, Kapucijnenvoer 7, B-3000 Leuven, Belgium.
URI: http://hdl.handle.net/1942/2275
DOI: 10.1007/s00276-003-0152-8
ISI #: 000187788500011
ISSN: 0930-1038
Category: A1
Type: Journal Contribution
Validation: ecoom, 2005
Appears in Collections: Research publications

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