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Correlation between Panoramic Radiography and Cone-beam Computed Tomography in Assessing Maxillary Impacted Canines

Critical Evaluation Panoramic radiography has been found to be of questionable value in the diagnosis of the incisor region because of the large error in horizontal magnification particularly in the lateral incisor–canine region. This study intended to predict the labio-palatal position of the MICs based on the sector classification. However, the required statistical tests, such as Pearson’s correlation coefficient and coefficient of determination, were not derived which would have specifically assessed the predictability of labio-palatal portion of impacted canines based on sector classification. In this study, the amount of root resorption in the permanent incisors has been vaguely addressed. The amount of root resorption in the incisors has been documented to be observed mostly in the lateral incisor region as the impacted canine lies adjacent to the root of the lateral incisor. The amount of resorption in the lateral and central incisors should have been documented separately. In addition, the method by which the amount of resorption was graded is not mentioned in the article.