Regression showed significant shape variation of MS shape with increasing age (p<0.0001). Low gonial angle group showed wider and shorter MS with no significant shape variation for all age groups. In average gonial angle group, onlyĪdults had a significantly narrower alveolar and basal part of MS compared to emerging adults (p=0.007) and adolescents Results: In high gonial angle group, adults had significantly narrower alveolar and basal part of MS (p=0.003) while emergingĪdults had significantly narrower alveolar part of MS (p=0.01) compared to adolescents. Shape and statistical analysis carried out using Morpho J versionġ.06d (Klingenberg Lab, Manchester, UK). Landmarks with x and y coordinates were identified on MS. Materials and Methods: Pre-treatment lateral cephalometric radiographs of 254 patients aged between 11-40 years old, withĬlass III skeletal base (ANB 130o: high angle, 120o-130o: average angle and <120o: low angle). Objective: To investigate the mandibular symphysis (MS) shape variation among adolescents, emerging adults, and adults withĬlass III skeletal base, using geometric morphometric analysis.
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Geometric Morphometric Analysis (GMA) Of Mandibular Symphysis In Class Senior Lecturer, Orthodontic Discipline, Department of Family Oral Health, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 KualaĮ-mail: Received: ApAccepted: JPublished: JCitation: Murshida Marizan Nor, Alizae Marny Mohamed, Helmi Mohd Hadi Pritam, Teo Kui Fei. Murshida Marizan Nor 1*, Alizae Marny Mohamed 1, Helmi Mohd Hadi Pritam 2, Teo Kui Fei 3ġ Senior lecturer, Orthodontic Discipline, Department of Family Oral Health, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Jalan Raja MudaĪbdul Aziz, 50300 Kuala Lumpur, Malaysia.ġ Senior lecturer, Department of Family Oral Health, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 KualaĢ Senior Lecturer, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, 16150 Kota Bharu, Kelantan.ģ Postgraduate Student, Department of Family Oral Health, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300
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