Abstract
Introduction: Sagittal relationship between the upper and lower jaw represent the basic characteristic of human profile. It is one of the most important criteria assessed during the diagnosis of orthodontic anomalies. For this purpose, numerous parameters have been proposed, but ANB angle, Wits assessment, Down?s angle of facial skeletal convexity-NAPg and Schwartz?s indicators of sagittal intermaxillary relationship, i.e. AB/SpP and MM angles are the most commonly used in clinical practice. However, there is a suggestion by other authors, in more complex cases, several parameters instead of one should be used for a more precise diagnosis of skeletal class. Aim: The aim of this paper was to examine the correlation between ANB angle, Wits assessment, NAPg angle, AB/SpP angle and MM angle. Materials and Methods: The study was conducted on profile cephalograms of 137 children, age 7-12, the patients of Dept. of Orthodontics in the Health Center Kotor. The aforementioned sagittal skeletal parameters were determined on tele-X-rays. The study comprised all three classes of malocclusion. Results: The analysis of obtained results revealed a statistically significant and high correlation between ANB angle Wits values and NAPg angle. Moreover, the correlation between ANB and NAPg angles was statistically most prominent (r=0.776). On the other hand, no statistically significant correlation was found between Schwartz parameters (AB/SpP angle and MM angle) and the previously mentioned ones. Conclusion: Based on the obtained results, it can be concluded that ANB angle, Wits values and NAPg angle can be used one instead of another for the assessment of sagittal skeletal intermaxillary relationship, whilst Schwartz parameters should be used in combination with other indicators of this relationship for a more realistic diagnosis.
Published Version (
Free)
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call