RELIABILITY OF PANORAMIC RADIOGRAPHS TO DETERMINE GONIAL AND FRANKFURT MANDIBULAR HORIZONTAL ANGLES IN DIFFERENT SKELETAL PATTERNS
10. Ohm E, Silness J. Size of the mandibular jaw angle related to age, tooth retention and gender. J Oral Rehabil. 1999; 26( 11): 883-891. 11. Perillo L, De Rosa A, Iaselli F, d’ Apuzzo F, Grassia V, Cappabianca S. Comparison between rapid and mixed maxillary expansion through an assessment of dento-skeletal effects on posteroanterior cephalometry. Prog Orthod. 2014; 15:46.
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Ali Maghsoudi NEJAD
DDS, Department of Orthodontics Tehran Dental Branch, Islamic Azad University
Tehran, Iran
CV
Dr. Ali Maghsoudi Nejad received his DDS from the Islamic Azad University of Tehran, dental branch, in 2012. He is currently planning to continue his education in the United State of America. He has participated in several oral presentations in national and international congresses. One of his main research interest is orthodontics.
Questions
Which one is the definition of gonial angle in lateral cephalogram?
q a. Intersection of the ramual plane and mandibular plane; q b. Intersection of the ramual plane and occlusal plane; q c. Intersection of the ramual plane and Frankfort mandibular plane; q d. None of them.
Which one is the definition of Frankfort mandibular plane angle in OPG?
q a. Intersection of the palatal plane and mandibular plane; q b. Intersection of the porion-orbitale line and mandibular plane; q c. Intersection of the porion-orbitale line and occlusal plane; q d. Intersection of the porion-orbitale line and palatal plane.
Which angle is used to determine vertical growth pattern? q a. FMA; q b. Gonial Angle; q c. 1 and 2; q d. ANB.
Which one is the normal value of FMA?
q a. 20 ° ± 5 °; q b. 15 ° ± 5 °; q c. 30 ° ± 5 °; q d. 25 ° ± 5 °.
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