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Article
Sex determination using linear measurements related to the mental and mandibular foramina vertical positions on digital panoramic images

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: 59-64
Publisher: Baghdad University جامعة بغداد

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Abstract

Background: Identification of gender type is a very important issue in forensic dentistry. The mental and mandibularforamina are important anatomic points in the mandibular region. The objective of this study is to predict the validityof the linear measurements related to the mental and mandibular foramina vertical positions on digital panoramicimages in sex determination.Material and method: A total of 300 Iraqi subjects, (150 male and 150 female) were examined, age distribution ofthem was ranging between (20-49) years old. Four linear vertical measurements were performed on the radiographicimage of each subject on both right and left sides of the mandible (600) sides, to evaluate the validity of the linearmeasurements related to the vertical positions of the mental and mandibular foramina in sex determination.Statistically significant differences were observed in all of the linear measurements between genders where malesalmost have higher measurements than females. Sex of the patient could be successfully identified usingmeasurements carried out in this study. Linear measurements that related to the mandibular foramen verticalposition used in this study can be used as best parameters to predict male gender differentiate it from female, whilethe measurements that related to the mental foramen vertical position ranked after in their discriminating abilities

ان تحدی د الج نس قض یة بالغ ة الاھمی ة ف ي ط ب الاس نان الع دلي وان الثق ب ال ذقني وثق ب الف ك الاس فل ھم ا علامت ان تش ریحیتان ھامت ان ف ي منطق ة الف كالاس فل. تھ دف الدراس ة الحالی ة ال ى معرف ة م دى دق ة القیاس ات الخطی ة للم وقعین العم ودیین لك ل م ن الثق ب ال ذقني وثق ب الف ك الاس فل ف ي ص ور الاش عة(49- البنورامی ة الرقمی ة ف ي تحدی د الج نس. ت م فح ص 300 م واطن عراق ي ( 150 ذك ر و 150 انث ى) كان ت الفئ ات العمری ة لھ م تت راوح ب ین ( 20( س نة ت م تحدی د ارب ع قیاس ات خطی ة راس یة عل ى ص ورة الاش عة البنورامی ة الرقمی ة لك ل ش خصوعل ى ك لا ج انبي الف ك الاس فل الایم ن والایس ر( 600جان ب لتقق یم دق ة القیاس ات الخطی ة للم وقعین العم ودیین لك ل م ن الثق ب ال ذقني وثق ب الف ك الاس فل ف ي تحدی د الج نس. وج د ان ھن اك فروق ات معنوی ة ب ینالجنس ین ف ي جمی ع القیاس ات الخطی ة وكان ت قیاس ات ال ذكور اعل ى منھ ا عن د الان اث. ان ج نس الش خصیمك ن تحدی ده بنج اح باس تخدام القیاس ات الت يطبق ت ف ي ھ ذه الدراس ة. یمك ن الاس تنتاج ب ان القیاس ات الخطی ة الرأس یة للموق ع العم ودي لثق ب الف ك الاس فل یمك ن اس تخدامھا كافض ل مؤش رات لتحدی دالج نس وتمیی ز ال ذكور ع ن الان اث، بینم ا ج اءت بع دھا القیاس ات المتعلق ة ب الموقع العم ودي للثق ب ال ذقني م ن حی ث دقتھ ا ف ي تحدی د الج نس


Article
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

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Abstract

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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