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 .
12 . Gupta S , Jain S . Orthopantomographic analysis for assessment of mandibular asymmetry . J Ind Orthod Soc . 2012 ; 46 ( 1 ): 33-37 . 13 . Puricelli E . Panorametry : suggestion of a method for mandibular measurements on panoramic radiographs . Head Face Med . 2009 ; 5:19 .
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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