Pseudo bifid mandibular canal

Auluck, Ajit; Pai, Keerthilatha M.; Shetty, Chandrakant M.

doi:10.1259/dmfr/59445082

Cited by 19 publications

(14 citation statements)

References 4 publications

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“…However, panoramic radiography was suggested to diagnose BMC due to high cost and high radiation dose of computed tomography. [10] In our study, we found BMC more frequently in males than in females. However, in some studies, the incidence of BMC was higher in females.…”

Section: Discussionsupporting

confidence: 54%

Investigation of bifid mandibular canal frequency with cone beam computed tomography in a Turkish population

Serindere¹,

Günduz²,

Bulut³

2017

Anatomy

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Objectives: It is important to know anatomic location and variations of the mandibular canal (MC) for surgical treatment on mandible such as implant operations, impacted molar tooth extraction and sagittal split ramus osteotomy. The purpose of our study is to determine the configuration and incidence of bifid mandibular canal (BMC) using cone beam computed tomography (CBCT).Methods: CBCT scans of 2000 patients were retrospectively analysed. Age and gender of the patients who were included in this study were recorded. BMC was subdivided, frequency was determined. Measurements of mean lengths, superior and inferior angles were performed. The all measurements were performed by one observer in 3 times at intervals of one week to confirm intra-observer reliability. SPSS 21 (Statistical Package for Social Science 21) was used for statistical analysis. It was benefited from Chi-square test to investigate qualitative observation and from T test and one-way analysis of variance for investigation of quantative observation. Differences were considered significant at p<0.05.Results: 1122 of 2000 patients (56.1%) were females and 878 of 2000 patients (43.9%) were males. BMC was observed in 61 of 2000 patients (3.05%). Because location of MC is bilateral, 122 sides in 61 patients were studied. BMC was observed in 65 of 122 sides (53.3%). In 39 of 65 sides (60%), BMC was observed in males, in 26 of 65 (40%) sides, BMC was observed in females. Conclusion:CBCT provides important informations about MC imaging and evaluation of variations. Evaluation of MC variations frequency and informing to surgeon in surgical procedures on mandible provides advantages for successful operations.

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Section: Discussionsupporting

confidence: 54%

Investigation of bifid mandibular canal frequency with cone beam computed tomography in a Turkish population

Serindere¹,

Günduz²,

Bulut³

2017

Anatomy

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“…8,9,22 Although many studies cited the canal as a single bilateral structure, there are several reports in the literature that clearly demonstrate the presence of a second or even a third accessory mandibular canal. 4,9,13,14,[23][24][25][26] The first published studies reported that the incidence of bifid mandibular canals in panoramic radiographs was 1%. 8,9 These studies evaluated the presence of bifid mandibular canals using panoramic radiographs.…”

Section: Discussionmentioning

confidence: 99%

Classification of bifid mandibular canals using cone beam computed tomography

et al. 2013

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The objective of this study was to classify the morphology of bifid mandibular canals and to evaluate their relationship with the roots of third molars, using cone beam computed tomography (CBCT) scans. The CBCT scans of 75 patients were analyzed and the bifurcations were classified according to Langlais et al. (1985). The relationship of bifurcation and third molars was established according to the following classification: class A -uninvolved, class B -close relationship, class C -intimate relationship and class D -absence of third molars. Data were submitted to descriptive statistics, and the results indicated that the patients' mean age was 48.2 (± 13.2) years. Unilateral bifurcation (Type 1) was the most frequent type (72.6%), followed by unilateral Type 2 (19.3%). Class D was the most frequent (57.33%), followed by class C (21.33%), class B (13.33%) and class A (8%). It could be concluded that most cases presented unilateral bifid mandibular canals extending to the third molar or adjacent regions, and when present, the roots seemed to be a continuation of the bifid mandibular canal.

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“…Such cortical outlines may be due to the imprint of the mylohyoid nerve on the internal mandibular surface where it separates from the inferior alveolar nerve and runs to the floor of the mouth. 8,12 Auluck et al 12 reported that the cortical outlines surrounding the different canals may join to form a triangular island of bone, with its vertex at the root of the separation of the bifid canals, which is a characteristic feature that indicates the presence of a bifid mandibular canal. Cone beam CT is considered more useful for distinguishing true from false bifid mandibular canals than panoramic images.…”

Section: Discussionmentioning

confidence: 99%

Bifid mandibular canals: cone beam computed tomography evaluation

Kuribayashi¹,

Watanabe²,

Imaizumi³

et al. 2010

Dentomaxillofacial Radiology

120

121

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Objectives: For surgical procedures involving the posterior mandible, it is important to be familiar with the details of the bifid mandibular canal. To our knowledge, there have been no systematic studies evaluating the bifid mandibular canal using sectional imaging. The purpose of this study is to evaluate the incidence and configuration of the bifid mandibular canal using cone beam CT. Methods: 252 patients (301 mandible sides) underwent cone beam CT between October 2004 and September 2005 and were included in this study. The cone beam CT images were evaluated for the presence and configuration of the bifid mandibular canal. The patterns of bifurcation were classified into four types according to the classification of Nortjé et al (Variations in the normal anatomy of the inferior dental (mandibular) canal: a retrospective study of panoramic radiographs from 3612 routine dental patients. Br J Oral Surg 1977; 15: 55-63). The diameter of the accessory canal was classified into two categories: 50% or more and less than 50% of the diameter of the main mandibular canal. Results: Of the 301 subjects, 47 (15.6%) demonstrated a bifid mandibular canal. They were Type I in 2, Type II in 40, Type III in 0, and Type IV in 5 cases. The diameter of the accessory canal was greater than or equal to 50% of the main canal in 23, and less than 50% in 24 cases. Conclusions: On the basis of the cone beam CT, a bifid mandibular canal was found in 15.6% of cases, a markedly higher proportion than found in previous reports using panoramic images. Cone beam CT is considered a suitable modality for detailed evaluation of bifid mandibular canals.

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Pseudo bifid mandibular canal

Cited by 19 publications

References 4 publications

Investigation of bifid mandibular canal frequency with cone beam computed tomography in a Turkish population

Investigation of bifid mandibular canal frequency with cone beam computed tomography in a Turkish population

Classification of bifid mandibular canals using cone beam computed tomography

Bifid mandibular canals: cone beam computed tomography evaluation

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