Abstract
Background amp Objectives Panoramic radiography is frequently used in orthodontic practice to provide information about the teeth their maturation period and axial inclinations and surrounding tissue. The objectives of this study were to find out whether panoramic radiographs can be used to investigate skeletal pattern compared to lateral ndash cephalograms.Methods Panoramic radiographs and lateral cephalograms of 30 patients 14 males. 16 females with Class II dental and skeletal malocclusions were taken under standard conditions. Only angular measurements were taken and the readings from the cephalogram and OPG were correlated.Results The OMAND Co-McMc-Me showed a positive linear correlation with gonial angle Ar-GoGo-Me. The OCOND Co-McMc-FMe showed a negative linear correlation to the mandibular plane angle Go-Gn to Sn. The OMAND Co-McMc-Me showed a positive linear correlation with condylar inclination angle Co-GoGo-Me. A negative correlation was found between UOCCL and FHU6-U1 and LOCCL angle L6-L1-L6 and the FHL6-L1. Comparison of the palatal plane mandibular plane and condylar inclination angles between the right and left sides in the OPG were statistically insignificant. Conclusion The results of this study indicate that OPG can be used as an investigative tool in quantitative assessment of malocclusion. Angular measurements of the OPG can be used as a substitute for corresponding angular measurements from the lateral cephalogram both for dental as well as skeletal parameters.
Published Version
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