Angular relation of various antero-posterior facial planes with frankfort horizontal plane in angle’s class-i and class-iii bengali population

Facial beauty depends on proper facial proportion. To give the best esthetic result to the patients, proper knowledge of facial measurements in every malocclusion is important. Class III malocclusion, being the most challenging case, has been chosen for this study. This study was carried out to find different vertical cephalometric measurements in class III patients. Patients with class I malocclusion were taken as control. 50 samples were taken (20 class III, 30 class I). Cephalometric analysis was carried out to compare different vertical angular measurements between two groups. Results showed that maximum angulations are greater in class III that means in majority cases class III patients show hyperdivergent growth pattern.