Title: A posteroanterior cephalometric selection of the mid-sagittal line in adults normal occlusion
Abstract: Objective: To evaluate four mid-sagittal lines' reproducibility and accurateness and obtain the most reliable one through studying posteroanterior cephalometrics of adults normal occlusion. Methods: Eighty subjects were selected, each one was positioned in the same cephalostat in natural head position. The Dtotal of the bilateral landmarks related to the four different midlines was calculated by the same operator. The best mid-sagittal line would be the line with the lowest Dtotal. Results: Plane A generally showed the lowest Dtotal for the landmarks in the regions related to the eyes,nose and mouth. No main or interaction effects for repeated measurements and recordings were determined. Conclusion: The best mid-sagittal line in posteroanterior cephalometrics is the line perpendicular to and bisecting the line that connecting landmarks exocanthion.
Publication Year: 2005
Publication Date: 2005-01-01
Language: en
Type: article
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