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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

FUENTES, Ramón et al. Prevalence and Morphometric Characteristics of the Mandibular Incisive Canal through Panoramic Radiographs in a Chilean Population. Int. J. Morphol. [online]. 2017, vol.35, n.3, pp.931-937. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022017000300022.

The mandibular incisive canal (MIC) is a continuation of the mandibular canal, anterior to the mental foramen, containing the neurovascular bundle of the teeth in anterior mandibular segment. The aim of this study was to calculate the prevalence and analyze the morphometric parameters of MIC in a Chilean population through digital panoramic radiographs. A cross-sectional study was performed using 500 digital panoramic radiographies of adult individuals. The prevalence of MIC was set in different sexes, age groups and proximity to teeth; in addition to the morphometric parameters of length, width (diameter) and distances of MIC to dental element and the mandibular base. General MIC prevalence was 53 % (265 cases), 49.9 % in women and 57 % in men. In the age groups, prevalence was higher in men, MIC was predominantly associated to first premolars (98.2 % - women; 90 % - men), however a relevant number (42.6 % women; 55.1 % - men) was close to the canines. The MIC length ranged from 2.6 to 18 mm (median - 5 to 8 mm), the width of 0.8 to 5.4 mm (median - 2 to 3 mm), the distance to other elements from 0.6 to 12 , 5 mm (medians - 5 to 7 mm) and the margin of the mandible from 4.1 to 16.7 mm (median - 8 to 10 mm). The length decreases in older age groups regardless of sex. Width and distance the mandibular base was larger in men compared to women.

Keywords : Mandibular Incisive Canal; Prevalence; Morphometry; Chilean population.

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