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Morphometric analysis of mandibular canal course and position in relation to gender and age of Iraqi sample using digital panoramic imaging

Authors: Sura A. Rashid سرى رشيد --- Jamal Ali جمال علي
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2011 Volume: 23 Issue: special issue Pages: 92-99
Publisher: Baghdad University جامعة بغداد


Background: The knowledge of the course and position of the mandibular canal in relation to anatomical landmarksof the jaw is of great importance in certain dental interventions; therefore it involves preservation of the anatomicstructures that pass through it. Morphometric study by means of digital panoramic radiography reveals thedifferences and inherent alterations between genders or ages, it has become a useful tool in research that analyzesthe craniofacial complex development process, which are important for planning the dental, clinical and surgicalprocedures. The aim of the study was undertaken to analyze mandibular canal morphology and position along itscourse and its relation to mandibular anatomical landmarks by using digital panoramic radiography.Materials and Methods: 300 subjects, (150 male and 150 female) were examined, age distribution of them wasranging between (20-49) years old, factors considered included the age and sex of the patients. Ten linear verticalmeasurements were performed on the radiographic image of each subject on both right and left sides of themandible (600) sides, to evaluate the position of the mandibular canal along its course. The relation of proximitybetween the mandibular canal and the roots of the mandibular posterior teeth were also evaluated.Results: Statistically significant differences were observed in six of the linear measurements between genders, malesalmost have higher measurements than females. However, no significant linear trend was evident between agegroups of the same gender for any of the measurements. The most frequent position of the mental foramen wasbetween the two mandibular premolars, the mandibular canal presented a relation of proximity to the roots of themandibular third molar, moving gradually away from the roots of the other posterior teeth.Conclusion: the measurements related to the mandibular canal performed in this study can be influenced by thegender but are independent of age

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