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The Relation Between Root Length and Vertical Facial Measurements in Iraqi Adults with Various Skeletal Vertical Relations | ||
| Tikrit Journal for Dental Sciences | ||
| Volume 13, Issue 1, June 2025, Pages 280-289 PDF (432.03 K) | ||
| DOI: 10.25130/tjds.13.1.28 | ||
| Authors | ||
| Hiba M. Hussein Al-Chalabi; Sara M. Al-Mashhadany* ; Zainab Mousa Kadhom | ||
| Department of Orthodontics, Dentistry, University of Baghdad, Baghdad, Iraq. | ||
| Abstract | ||
| Background: Root length may affect the amount of force and the type of mechanics necessary to get a precise tooth movement with adequate force. This study was conducted to find whether there is a relation between the root length and the vertical measurements of the face in groups of Iraqi subjects with various skeletal vertical relations. Materials and method: 75 true lateral cephalometric radiographs and 75 orthopantomograms were taken for adults attending the Orthodontic Department at the College of Dentistry, University of Baghdad, divided into three groups according to SN-Mandibular plane angle as High, Low and Normal SN-MP angle groups; the skeletal variants were measured on lateral cephalometric radiograph while root length was measured on orthopantomogram by AutoCAD program 2016. Results: The mean length of upper and lower teeth was higher in patients with low SN-Mandibular plane angles. There was no significant difference in the mean length of the teeth in both arches except for the lower central incisor. Also, there were significant differences regarding the mandibular central incisors and canines between low and high-angle groups; moreover, SN-Mandibular plane angle and posterior facial height correlate significantly with these teeth. Furthermore, the males had a higher mean root length for all measured teeth in this study than the females. Conclusions: Orthopantomographs cover a wide area of the jaws and teeth and can assist cephalograms in the diagnosis. A slightly longer root in low SN-Mandibular plane angles than in high and normal SN-Mandibular plane angles. | ||
| Keywords | ||
| OPG Root length SN; Mandibular plane angle. vertical relation | ||
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