Position of the mental foramen in Kosovarian population.

Graz Medical University, Department of Dentistry and Maxillofacial Surgery, Division of Preventive and Operative Dentistry, Endodontics, Pedodontics, and Minimally Invasive Dentistry, Graz, Austria.
Collegium antropologicum (Impact Factor: 0.61). 06/2013; 37(2):545-9.
Source: PubMed

ABSTRACT The aim of this study was to determine the position, shape, number and radiographic appearance of the mental foramen in a selected Kosovarian population. Five hundred panoramic radiographs of dental Kosovarian patients were selected and analyzed according to the mental foramen position, shape, radiographic appearance, number and symmetry. The mean distance in the horizontal plane of the mental foramen to the posterior border of the mandibular ramus was 67.5 mm and for distance from the mental foramen to symphysis menti 24.84 mm. In the vertical plane the mean distance of the mental foramen to alveolar crest was 20.38 mm and 14.68 mm for distance of the mental foramen to the lower border of mandible. The majority of mental foramen was oval in shape and the most frequent radiographic appearance was the separated type. Accessory mental foramina were detected in < 1% of the cases and the mental foramen was not bilaterally symmetrical but no statistical differences were found. This study showed that the most common position of the mental foramen investigated using panoramic radiographs from a selected group in Kosovarian population was between the first and second mandibular premolars with distinct tendency to be positioned near to the second mandibular premolar.

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    ABSTRACT: Introduction: The mental foramen shares its significance in various fields of dentistry. Being a strategically eminent landmark, an understanding of the variation of its position is important Aim: To radiographically evaluate frequently occurring position of mental foramen and its distance with reference to the lower premolars and the lower border of mandible on standardized panoramic radiographs. Methods: The inferior alveolar canal, upto the mental foramen, was traced over 300 orthopantomographs (OPGs) which were selected by using specific criteria. The mandibular plane and the long axis of the premolars were used as references to measure perpendicular distance of foramen. Results: The most common position was found to be between the two premolars (63% cases), which scaled approximately 15.46mm above the lower border of the mandible, with an average proximity to the 2nd premolar (5.51mm) than the 1(st) premolar (8.21mm). This was followed by position behind the second premolar, which scored 20.67%. Both the foramina were noted in the same vertical plane of reference, and they showed bilateral occurrence of the most common position of the mental foramen, with respect to 45.67% cases. Conclusion: The most common location was reported to be between the two premolars, with a definite bilateral symmetry on both left and right sides. No gender preferences were observed. An average distance of 15mm from the lower border of the mandible was calculated.
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Jun 4, 2014