The ability of panoramic radiographs to correlate transverse with sagittal dimensions in class III patients

In the field of orthodontics, gaining comprehensive information around dento-skeletal complex is necessary to choose best treatment plan for each patient. The aim of this study was to investigate linear and angular parameters in the panoramic radiographs to find a path to correlate transvers to sagittal dimensions.
Total number of sixty two, 8-14 years old children who sought for orthodontic therapy were selected (32 skeletal Class III and 30 skeletal Class I). They were exposed to x-ray to obtain the panoramic and lateral views in a controlled condition. Various linear and angular parameters were measured after tracing the landmarks on the panoramic radiograph. Data were gathered and analyzed using T-test. The level of significance was set at 0.05 (P Linear parameters of Co-Co, Go-Go and PTM-PTM were significantly lesser in class III patients than class I ones (P=0.04, 0.04, 0.02 respectively). The ramus width was also lesser in the class III patient. Angular parameters of Me˄ and N˄ also showed the same results (P Some traceable linear and angular parameters were found in the panoramic radiographs which had the potential to correlate transverse with sagittal dimension.