Position and number of mental foramen in dry human mandibles: Comparison with respect to sides and sexes

Pokhrel, Rishi; Bhatnagar, Rajan

doi:10.13172/2052-7829-1-4-915

Cited by 10 publications

(9 citation statements)

References 21 publications

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“…All subjects in this study were of Iranian origin and therefore represented a very ethnically homogenous group. Evaluation of the location of the mental foramen regarding the mandibular posterior teeth in this study showed that the most common types of mental foramens were Type 1 (which was located below the apex of the second premolar) (50.31%) and Type 2 (which was located between the apices of the first and second premolars) (33%) and were in agreement with the results of Singh and Srivastav,[10] Genu et al .,[13] Pokhrel and Bhatnagar et al .,[14] Fujita and Suzuki,[15] Afkhami et al .,[16] Udhaya et al .,[17] Adejuwon et al .,[18] and Yesilyurt et al . 's[19] studies on different ethnic populations.…”

Section: Discussionsupporting

confidence: 90%

Buccolingual course of the inferior alveolar canal in different mental foramen locations: A cone beam computed tomography study of an Iranian population

Safaee

Mirbeigi

Ezoddini

et al. 2016

Int J App Basic Med Res

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Context:Better understanding of the anatomical location and course of the mandibular canal is necessary to avoid damaging inferior alveolar nerve.Aims:The aim of this study was to investigate the buccolingual course of the inferior alveolar canal (IAC) in different mental foramen locations, using cone beam computed tomography.Materials and Methods:Three hundred and twelve hemimandibular images were evaluated in this study. The location of mental foramen in relation to the apices of mandibular premolar and molar teeth were recorded. Nine measurements (in millimeters) were taken at the level of the IAC and posterior mandibular premolar and molar root apices. Relative distances of IAC to buccal and lingual mandibular cortex were calculated for different mental foramen types.Statistical Analysis Used:Data were analyzed by one-way analysis of variance and P < 0.05 was considered to be statistically significant.Results:The distribution of subjects according to the type of mental foramen includes: Type 1 = 50.3% (at the level of second premolar apex), Type 2 = 33% (between the apices of first and second premolars), and Type 3 = 16.7% (between the apices of second premolars and first molars). The buccolingual ratio of the IAC position was statistically significant in different mental foramen types (P = 0.00).Conclusion:The position of IAC was affected by the location of the mental foramen. The direction of IAC gradually changed from lingual to buccal and from posterior to anterior.

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Section: Discussionsupporting

confidence: 90%

Buccolingual course of the inferior alveolar canal in different mental foramen locations: A cone beam computed tomography study of an Iranian population

Safaee

Mirbeigi

Ezoddini

et al. 2016

Int J App Basic Med Res

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“…The typical location of MF is in the region of the mandibular premolars (closer to the second premolar) and usually both foramina are located at the same level [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Unilateral absence of mental foramen

Yovchev¹,

Mihaylova²,

Dimitrov³

et al. 2018

biomedicalresearch

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The mental foramen (MF) is a very important anatomic structure for local anesthetic, implant placement, periapical and orthognathic surgery. Its variations have to be recognized in order to prevent further complications. We are reporting two very rare cases of patients with unilateral absence of MF. The patients were examined with CBCT and one of them had sensory disturbances appeared immediately after implant installation in the region the missing right MF. In cases when the mandibular canal and mental foramen are not clearly visible on plain X-rays in order to see them and to avoid injury of the neurovascular bundle CBCT is a method of choice.

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“…Imada et al 16 studied morphometric parameters of 100 mandibles and observed to have six accessory mental foramen, three on right and three on the left side. Various other studies [17][18][19] also opined that the accessory mental foramen was observed in around 6 to 7% of the mandibles studied. However, Shukla et al 13 reported that out of 96 mandibles only one accessory mental foramen was observed.…”

Section: Discussionmentioning

confidence: 85%

Anthropometric Analysis of Mental Foramen in Dry Human Mandibles in Karnataka

Shashidhar

Sridevi

2019

National Journal of Clinical Anatomy

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Background and Objectives The mental foramen which is located on the anterior surface of the mandible is a bilateral opening transmitting mental nerves and vessels that supply important structures around. However, it is reported that the location of mental foramen varies across different races and genders, the awareness of which is vital in surgical interventions, anesthetic applications, and various other invasive procedures. Hence, the objectives of the present study were to study the location, size, and shape of mental foramina in dry human mandibles and to study the incidence of accessory mental foramina in human mandibles. Materials and Methods One hundred eighty dried mandibles were observed for the location, size, and shape of mental foramen. Digital Vernier calipers were used to measure the distance of right and left mental foramen from various locations like alveolar crest, symphysis menti, lower border of mandible, and posterior border of the ramus of mandible. The data were analyzed using SPSS 20 software. The position and number of accessory mental foramen were determined. Results The various positions of mental foramina studied revealed the most common type to be type IV as per the Tebo and Telford classification. The average horizontal diameter was slightly higher than the average vertical diameter in majority of the bones. Accessory mental foramina were observed in 3 mandibles. Conclusion The mental foramen was most commonly situated along the longitudinal axis of second premolar tooth and the shape of the mental foramen was found to be oval in 95% of the bones studied.

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Position and number of mental foramen in dry human mandibles: Comparison with respect to sides and sexes

Cited by 10 publications

References 21 publications

Buccolingual course of the inferior alveolar canal in different mental foramen locations: A cone beam computed tomography study of an Iranian population

Buccolingual course of the inferior alveolar canal in different mental foramen locations: A cone beam computed tomography study of an Iranian population

Unilateral absence of mental foramen

Anthropometric Analysis of Mental Foramen in Dry Human Mandibles in Karnataka

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