The M orphometric Analysis of the Mental Foramen in Adult Dry Human Mandibles : A Study on the South Indian Population

Udhaya, K; Saraladevi, K V; Sridhar, J.K.

doi:10.7860/jcdr/2013/6060.3207

Cited by 19 publications

(10 citation statements)

References 11 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: 88%

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: 88%

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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“…Gender, mandibular side, MF anteroposterior position, and the presence of AMF largely determine variations in MF area and MF diameter. Although there are several studies analyzing MF size [ 15 , 16 ], to the best of our knowledge, this is the first study to evaluate whether MF size is influenced by local and general factors using regression model analysis. Previous studies have carried out only a comparative study by age and gender [ 16 – 19 ].…”

Section: Discussionmentioning

confidence: 99%

“…Although there are several studies analyzing MF size [ 15 , 16 ], to the best of our knowledge, this is the first study to evaluate whether MF size is influenced by local and general factors using regression model analysis. Previous studies have carried out only a comparative study by age and gender [ 16 – 19 ]. Regarding general factors, in a CT study Fujita et al [ 20 ] reported no differences in MF dimensions between males and females.…”

Section: Discussionmentioning

confidence: 99%

Predictive factors of the dimensions and location of mental foramen using cone beam computed tomography

et al. 2017

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ObjectiveThe mental foramen (MF) hosts main neurovascular structures, making it of crucial importance for surgical procedures. This study aimed to analyze the factors influencing the dimensions and location of the MF.Materials and methodsCone beam computed tomography (CBCT) scans of 344 patients were examined for MF dimensions, as well as for the distances from the MF to the alveolar crest (MF-MSB), and to the inferior mandibular border (MF-MIB).ResultsGender, mandibular side and presence of accessory mental foramina (AMF) significantly influence MF area. Males, left hemimandibles, and hemimandibles with no AMF had a higher rate of large MF areas (B = − 0.60; p = 0.003, females; B = 0.55; p = 0.005; B = 0.85; p = 0.038). Age, gender and dental status significantly influence MF-MSB distance. The distance decreased as age increased (B = −0.054; p = 0.001), females showed a lower rate of long MF-MSB distances (B = −0.94, p = 0.001), and dentate patients showed a higher rate of long MF-MSB distances (B = 2.27; p = 0.001). Age, gender and emerging angle significantly influenced MF-MIB distance. The distance decreased as age and emerging angle increased (B = −0.01; p = 0.001; B = −0.03; p = 0.001), and females had a lower rate of long MF-MIB distances (B = −1.94, p = 0.001).ConclusionsGeneral and local factors influence the dimensions and location of MF. MF dimensions are influenced by gender, mandibular side, anteroposterior position, and the presence of AMF. Distance from MF to alveolar crest is influenced by gender, age and dental status, while the relative MF position is influenced by age and dental status. CBCT images make it possible to analyze the MF in order to avoid complications during surgical procedures.

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“…Some studies on accessory mental foramina are available in the literature, but most of them were conducted on dry mandibles. 1 , 15 Sawyer et al 1 conducted an anthropological study on different ethnic groups and observed an accessory mental foramen frequency of 1.5% to 12.5%, with no clear predilection for gender or age. In general, only one accessory mental foramen is observed in a hemimandible, although the presence of three such foramina has also been reported.…”

Section: Discussionmentioning

confidence: 99%

“…In general, only one accessory mental foramen is observed in a hemimandible, although the presence of three such foramina has also been reported. 1 , 15 Clinical and radiographic studies of this condition are less frequent, 10 and an even smaller proportion of cases involve CT and CBCT. 3 , 4 , 5 , 12 , 13 , 16 …”

Section: Discussionmentioning

confidence: 99%

Accessory mental foramen: A rare anatomical variation detected by cone-beam computed tomography

et al. 2015

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The mental foramen is a bilateral opening in the vestibular portion of the mandible through which nerve endings, such as the mental nerve, emerge. In general, the mental foramen is located between the lower premolars. This region is a common area for the placement of dental implants. It is very important to identify anatomical variations in presurgical imaging exams since damage to neurovascular bundles may have a direct influence on treatment success. In the hemimandible, the mental foramen normally appears as a single structure, but there are some rare reports on the presence and number of anatomical variations; these variations may include accessory foramina. The present report describes the presence of accessory mental foramina in the right mandible, as detected by cone-beam computed tomography before dental implant placement.

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The M orphometric Analysis of the Mental Foramen in Adult Dry Human Mandibles : A Study on the South Indian Population

Abstract: The knowledge on the variations in the position and size of the mental foramen and the presence of the accessory foramen may be of much use to dental surgeons.

Cited by 19 publications

References 11 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

Predictive factors of the dimensions and location of mental foramen using cone beam computed tomography

Accessory mental foramen: A rare anatomical variation detected by cone-beam computed tomography

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