Curve of spee and Its Relation with Dentoskeletal Morphology in Different Skeletal Growth pattern.
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 6
Abstract
Curve of spee is an antero-posterior anatomical curve established by the occlusal alignment of the teeth viewed in sagital plane. This occlusal curvature has clinical importance in orthodontics. The development of curve of Spee probably results from combination of factors including eruption of teeth, growth of orofacial structures, and development of neuromuscular system. The effect of variation in craniofacial morphology on the curve of spee has been evaluated, but these studies ignore the simultaneous contribution of multiple factors to the individual variation of the curve. Objective: To evaluate the relationship between the curve of spee and dentoskeletal morphology in different skeletal growth patterns. Materials and Methods: Pretreatment lateral cephalographs and Dental casts of 60 orthodontic patients (37 females, 23 males; 17-26 years old). Collected and divided in to three groups according to different skeletal growth patteren. Group A- Average (SN=28-32.5), Group B- Horizontal (SN<28), Group C- Vertical (SN>32.5) growth pattern. Cephalometric and study cast variables were measured and subjected to statistical analysis with curve of spee as dependent factor and others as independent variables.Four linear and four angular cephalometric measurements were done. Four study cast parameters were measured. Pearson’s correlation analysis was performed to determine correlation coefficients between the depth of curve of spee and other variables. Results: Overjet, Overbite, ANB angle, Molar relation are positively correlated with change in depth of curve of spee(P<0.05) i.e. just significant, SNB negatively correlated in each group i.e. not significant. Conclusion: We conclude that variation in the depth curve of spee is related with changes in dental parameters rather than skeletal parameters in all types of skeletal patterns
Authors and Affiliations
Dnyaeshwari kakade, Kunal shaha, Shivpriya Aher, Amit Nehete, Nitin Gulve
Keywords
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