AUTHOR(S): Mir Mudasir Gul, Rameez Hassan, Mohammad Mushtaq and Zameer Khurshid

ABSTRACT:In orthodontic diagnosis and treatment planning, great importance has been attached to evaluate the sagittal apical base relationship. A total of 100 lateral cephalograms were used for the study out of which 59 cephalograms belonged to male patients and 41 cephalograms belonged to female patients. All cephalograms were taken with patients in standing position with teeth in centric occlusion and lips relaxed. The results showed that there was statistically significant and highly correlated relationship between parameters used in the study for assessment of sagittal jaw relationship. In linear measurements, most homogenously distributed was APP-BPP distance (CV=101.9) and measurements with least homogenous distribution was the Wits Appraisal (CV=-1142.9). No single measurement is perfect in all the cases. A combination of different measurements should be used to have a true assessment of sagittal jaw relationship.

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