{"id":22645,"date":"2026-05-21T18:39:04","date_gmt":"2026-05-21T15:39:04","guid":{"rendered":"https:\/\/su.edu.ye\/voga\/?p=22645"},"modified":"2026-05-21T18:41:11","modified_gmt":"2026-05-21T15:41:11","slug":"masters-degree-awarded-to-ms-khulood-rafiq-al-ammari-in-orthodontics","status":"publish","type":"post","link":"https:\/\/su.edu.ye\/voga\/en\/22645\/","title":{"rendered":"Master\u2019s Degree Awarded to Ms. Khulood Rafiq Al-Ammari in Orthodontics"},"content":{"rendered":"

Ms. Khulood Rafiq Mohammed Ali Al-Ammari <\/strong>was awarded a Master\u2019s Degree in Orthodontics <\/strong>for her thesis titled: Cephalometric Evaluation of Sagittal Lip Position in Different Skeletal Malocclusions<\/em><\/strong>, <\/em>which was submitted to the Faculty of Dentistry \u200e \u2013 Sana\u2019a University. The MA defense was held on Thursday, April 9, 2026 \u200e.<\/strong><\/p>\n

The MA Viva-voce Committee, which was formed based on a resolution issued by the Graduate Studies and Scientific Research Council, consisted of the following:<\/p>\n\n\n\n\n\n\n
#<\/strong><\/td>\nCommittee Members<\/strong><\/td>\nDesignation<\/strong><\/td>\nPosition<\/strong><\/td>\n<\/tr>\n
1<\/td>\nProf. Yasser Ali Thabet<\/strong><\/td>\nExternal Examiner<\/td>\nChair<\/td>\n<\/tr>\n
2<\/td>\nProf. Ghamdan Abdullah Al-Harari<\/strong><\/td>\nMain Supervisor<\/td>\nMember<\/td>\n<\/tr>\n
3<\/td>\nAsst. Prof. Naela Mohammed Al-Mujahid<\/strong><\/td>\nInternal Examiner<\/td>\nMember<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

The thesis aimed to:<\/p>\n

    \n
  • Evaluate the sagittal position of the upper and lower lips relative to five cephalometric reference lines (H Line, E Line, B Line, S Line, and Sushner\u2019s Line) using lateral radiographs.<\/li>\n
  • Compare lip position measurements across skeletal patterns (Class I, Class II, and Class III).<\/li>\n
  • Assess gender differences within each skeletal pattern.<\/li>\n
  • Determine the reliability of reference lines in distinguishing lip positions.<\/li>\n
  • Establish normative values for sagittal lip position among Yemeni adults.<\/li>\n
  • Analyze the relationship between sagittal lip position and the ANB angle.<\/li>\n<\/ul>\n

    The study yielded several key findings summarized as follows:<\/p>\n

      \n
    • There were statistically significant differences in sagittal lip position among Class I, Class II, and Class III patterns.<\/li>\n
    • Class II cases exhibited more protrusive lips, while Class III cases showed more retrusive lips.<\/li>\n
    • S Line, B Line, and E Line demonstrated the highest discriminatory ability between skeletal patterns, whereas H Line and Sushner\u2019s Line showed lower effectiveness.<\/li>\n
    • A significant positive correlation was found between the ANB angle and lip position relative to S and B Lines, and a negative correlation with the E Line.<\/li>\n
    • No consistent statistically significant gender differences were observed within each skeletal pattern..\u200e<\/li>\n<\/ul>\n

      In light of these findings, the researcher recommended the following:\u200e<\/p>\n

        \n
      • Applying the derived normative values for Yemeni adults in orthodontic diagnosis and treatment planning.<\/li>\n
      • Using multiple reference lines for more accurate assessment of sagittal lip position.<\/li>\n
      • Considering ethnic variations rather than relying solely on global standards.<\/li>\n
      • Conducting future studies on different age groups and vertical skeletal patterns.<\/li>\n
      • Utilizing three-dimensional imaging techniques for comprehensive soft tissue evaluation.<\/li>\n
      • Incorporating aesthetic assessment questionnaires to link objective cephalometric measurements with subjective aesthetic perception relevant to the community.\u200e<\/li>\n<\/ul>\n

        The defense session was attended by a number of academics, researchers, students, colleagues, and the researcher\u2019s family.<\/p>\n

        \"\" \"\" \"\"<\/p>\n

         <\/p>\n