Neurovascular anatomical variations in the anterior palate observed on CBCT images

Abstract

Over 15% of the population studied had additional foramina in the anterior palate, between 1 mm and 1.9 mm wide, with variable locations. In most cases the canals associated with these foramina either presented as a direct extension of the canalis sinuosus, or coursed towards the nasal cavity floor.

An anatomical variant: evaluation of accessory canals of the canalis sinuosus using cone beam computed tomography

“…The presence of ACs which derived from the CS was not found to be correlated with sex and age groups. Present study revealed similar results and in agreement with other studies available in literature [2,8,16].…”

“…Although de Oliveira Santos et al [2] reported that they found 15 females against 13 males with accessory bony canal but they also mentioned that they did not reveal any statistical differences. Although, in this study, it was found a slight tendency to higher prevalence in females similarly as in de Oliveira Santos et al's [2] study, but the results of this article are in agreement with those previous studies in which between-gender differences were not statistically significant (c 2 = 1.099; p = 0.294).…”

“…According to their report, frequency of CS was 36.2%. Among the articles published in PubMed, de Oliveira Santos et al [2] reported the lowest frequency of 15.7% in 178 CBCT scans. This study has found ACs in 70.8% of 1460 CBCT scans.…”

“…The anterior superior alveolar nerve is relatively thicker than the middle and posterior superior branches. This nerve innervates the incisor and canines and traverses maxillary anterior wall by a bony canal called canalis sinuosus (CS) [2,15]. This bony canal, where the anterior superior alveolar nerve passes through, contains arteries and veins [11,13].…”

Anatomical Variation of Canalis Sinuosus: Reports of Two Cases

“…In the past, these morphological changes were hardly detected as a result of poor quality images which could lead to intraoperative complications in which the etiology was unknown during a surgical procedure in the anterior maxillary region [4]. The technical developments in diagnostic imaging have increased the accuracy of the diagnostic data obtained, particularly the use of CBCT [5,6]. This article describes an anatomical variation of the CS with the presence of unilateral accessory canals using CBCT images.…”