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IP Indian Journal of Orthodontics and Dentofacial Research

Evaluation of skeletal and dental parameters in individuals with variations in depth of Curve of Spee

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Author Details: Kavita Yadav, Ragni Tondon, Kamlesh Singh, Aftab Azam, Rohit Kulshrestha

Volume : 2

Issue : 4

Online ISSN : 2581-9364

Print ISSN : 2581-9356

Article First Page : 184

Article End Page : 189


Aim: The main aim of this study was to investigate the skeletal and dental relationships in individuals with various depth of curve of Spee in the vertical and horizontal plane.
Material Methods: Pre-treatment lateral cephalograms and dental cast of 300 patients were taken. The subjects were divided into three groups according to the depth of curve of Spee. Group A (N=100) = Flat curve of Spee i.e. < 2mm, Group B (N=100) = Normal curve of Spee i.e. between 2-4 mm, Group C (N=100) = Deep curve of Spee i.e. >5mm. Four angular and four linear measurements were performed on lateral cephalogram. The measurements of the depth of curve of Spee, overbite, overjet and molar relation were made on dental casts.
Results: In horizontal relationships Difference in overjet of the three groups was found to be statistically significant (p<0.001). Difference in molar relationship among Group A, Group B and Group C was found to be highly significant (p<0.001). SNA, SNB, ANB and Beta angle all were found not to be statistically different between the 3 groups. Difference in overbite of above three groups was found to be statistically significant (p<0.001). All the vertical skeletal parameters were found to be not statistically significant.
Conclusion: Increase in overjet, overbite and Class II Molar relation were seen in cases with deep curve of Spee (Group C). All horizontal and vertical skeletal parameters were not influenced by change in different depth of curve of Spee.

: Curve of Spee, Molar Relation, Overjet, Overbite