Retrospective Study of the Anterior Loop of the Inferior Alveolar Nerve and the Incisive Canal Using Cone Beam Computed Tomography

Rosa, Márcio Borges; Sotto-Maior, Bruno Salles; Machado, Vinícius de Carvalho; Francischone, Carlos Eduardo

doi:10.11607/jomi.2648

Cited by 60 publications

(58 citation statements)

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“…These findings are in agreement with the results of Makris et al 4 (2010) and Rosa et al 34 (2013) that detected IC in 91% and 98.5% of cases respectively, using CBCT. According to Pires et al 37 (2012), the ICs could not be identified in all of the CBCT images due to the small diameter of this structure.…”

Section: Discussionsupporting

confidence: 93%

“…However, other investigations 8,10,31,[33][34] have demonstrated that males have longer AL extensions.…”

Section: Discussionmentioning

confidence: 82%

“…In our study, the mean value of the AL was 3.14 mm, coinciding with the values found by other authors also using CBCT 11 . However, in a study performed in Southeastern Brazil 34 was found a mean 2.41 mm length of AL in the analyzed CBCT scans.…”

Section: Discussionmentioning

confidence: 83%

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Analysis of anatomical landmarks of the mandibular interforaminal region using CBCT in a Brazilian population

Genu¹,

Vasconcellos²,

Oliveira³

et al. 2014

Braz. J. Oral Sci.

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Aim: To evaluate the position, presence, appearance and extent of various anatomical landmarks in the mandibular interforaminal region of Brazilian patients using cone-beam computed tomography (CBCT). Methods: A total of 142 CBCT examinations were analyzed to determine the most common location of the mental foramen (MF), the presence and extent of the anterior loop (AL) of the inferior alveolar nerve, and the appearance and length of the incisive canal (IC). The presence of sexual dimorphism and differences with relation to the left and right sides were also evaluated. Results: Most of the MF (45.5%) was located below the second premolar. The AL and the IC were observed in 18.9 and 96.5% of the images respectively. The average length of AL and IC was 3.14±1.25 mm and 13.68±5.94 mm respectively. No significant differences (p>0.05) between genders or left and right sides were observed for all evaluated parameters. Conclusions: The most common location of the MF, the high rate of visualization of the IC and the occasional presence of AL in the studied Brazilian population demonstrate the importance of using threedimensional images of the mandibular anterior region, allowing proper surgical planning and preventing injury to the neurovascular bundle.

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Section: Discussionsupporting

confidence: 93%

“…However, other investigations 8,10,31,[33][34] have demonstrated that males have longer AL extensions.…”

Section: Discussionmentioning

confidence: 82%

See 1 more Smart Citation

Analysis of anatomical landmarks of the mandibular interforaminal region using CBCT in a Brazilian population

Genu¹,

Vasconcellos²,

Oliveira³

et al. 2014

Braz. J. Oral Sci.

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“…[27] There was no significant difference (p value = 0.564) between the diameter of the genial plexus in edentulous and dentate patients, the mean value in both groups being 1.24 ± 0.41 mm and 1.24 ± 0.61 mm, respectively. Similar results were found by [28] (mean 1.3 mm, range 0.5 -2 mm at the entrance of the incisive canal) [11] and (mean 1.48 ± 0.66 mm) with no difference in the diameter of the incisive bundle between a dentate and edentulous group. However, reported a mean diameter of 1.8 ± 0.5 mm for this canal [27].…”

Section: Analysis Of Resultssupporting

confidence: 90%

“…Radiographically, it is well-defined up to the region of lateral incisors [9], and in the region of central incisors, the canal image becomes diffuse [7]. In addition to anastomoses [10], the presence of another anatomical accident called the genial plexus [11] or upper and lower genial foramen [3], or also lingual foramen which jointly contributes to the crossed neurovascularization at the level of the mandibular midline [3,9].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Size and Location of the Genial Plexus, Related to Age, Sex and Dental Presence, in Implant Surgeries

Alérico¹,

Assis²,

Francischone³

et al. 2017

JBiSE

Self Cite

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Generally being considered as a safe area for surgical approaches, the region between the mental foramina presents important anatomical structures. The objective of this study was to measure the dimensions of the genial plexus and its three-dimensional location in CBCT images, correlating the characteristics of this structure with dental presence, sex and age of patients. A total of 149 cone beam computer tomography (CBCT) scans of dentate (n = 74) and edentulous patients (n = 75) were selected, 59 male and 90 female, aged 18 -86 years. Measurements of width and length of the genial canal were performed, and the shortest distances of the genial plexus were determined in relation to the alveolar bone crest, the buccal cortical bone and the base of the mandible. The results indicated significant differences between the dentate and edentulous groups for the mandibular canal length (p = 0.030), distance from alveolar crest (p < 0.001), and distance from buccal cortical bone (p < 0.001), with significantly higher values in dentate patients. As for gender, the distances between the genial plexus and the alveolar bone crest (p < 0.001) and the buccal cortical bone (p = 0.028) were significantly shorter for females. Regarding age, only the distance between the genial plexus and the alveolar crest showed a significant difference (p < 0.001), and the smallest values were measured in the older patients. It can be concluded that there are vari- ations of the genial plexus in relation to gender, age and between edentulous and dentate patients. Therefore, the anterior region of the mandible, especially the midline should be observed with caution when undergoing surgical procedures, such as removal of bone grafts and installation of dental implants.

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Anatomy of Structures around the Teeth in CBCT Scans

2023

BDJ Clinician’s Guides

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Retrospective Study of the Anterior Loop of the Inferior Alveolar Nerve and the Incisive Canal Using Cone Beam Computed Tomography

Cited by 60 publications

References 0 publications

Analysis of anatomical landmarks of the mandibular interforaminal region using CBCT in a Brazilian population

Analysis of anatomical landmarks of the mandibular interforaminal region using CBCT in a Brazilian population

Evaluation of the Size and Location of the Genial Plexus, Related to Age, Sex and Dental Presence, in Implant Surgeries

Anatomy of Structures around the Teeth in CBCT Scans

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