Correlation of Inter Canine Width with Basal Plane Angle in Patients Seeking Orthodontic Treatment

Introduction: It is generally accepted that an important relationship exists between the arch width and basal plane angle. The size and form of the dental arches can have considerable implications on orthodontic diagnosis and treatment planning. The changes that occur in the dental arch dimensions and treatment are of interest to the orthodontist, and require careful consideration during treatment planning. A better understanding of these changes could influence the formulating an efficient treatment and retention plans by the clinician. The objective of this study was to determine relationship between inter canine width and basal plane angle in a sample of patients seeking orthodontic treatment. Materials and Methods: 50 subjects were included in the study. 50 lateral cephalometric radiographs and dental casts were obtained, and traced. On lateral cephalograph, palatal plane (PP)- mandibular plane (MP) angle was measured using digital method. On dental casts inter-canine widths were measured. Results: When comparison was made between inter-canine width with basal plane angle, the p-value for all the results was significant with a p value <0.05. It was concluded from this study that there is a statistically significant relationship between inter canine widths and basal plane angle. Conclusion: Growth patter influences inter-canine widths of an individual and this must be considered while destining treatment plan for the patient.