THE ROLE OF SAGITTAL PARAMETERS IN THE DEVELOPEMENT OF LOWER INCISOR CROWDING AMONGST PATIENTS
DOI:
https://doi.org/10.33279/jkcd.v3i1.517Keywords:
Lower Incisor Crowding, Sagittal classification, Treatment planning.Abstract
Objectives:To assess whether sagittal parameters such as SNA, SNB and ANB play a significant role in the development of lower incisor crowding amongst patients reporting to Department of Orthodontics, Khyber College of Dentistry, Peshawar.
Materials and Methods:This comparative cross sectional study was conducted at the Department of Orthodontics, Khyber College of Dentistry, Peshawar. Lateral cephalograms and study casts of 213 patients, were used to determine sagittal parameters such as SNA, SNB, ANB and Lower incisor crowding respectively. The data was collected using a structured proforma and was analyzed using SPSS version 17. The Pearson Chi square test with a critical p-value set at <0.05 was used for determining if a significant relationship existed between Lower Incisor crowding and ANB.
Results:Amongst the 213 patients, 120 patients were Class II (56.3%) and 87 (40.8%) patients were Class I as per the ANB classification. Lower incisor crowding and spacing was found to be more prevalent in Class II patients (45.1% and 8.5%) as compared to class I (33.8% and 5.6%). The Pearson chi square test revealed a significant statistical co-relation between the ANB classification and lower incisor crowding (p-value = 0.03).
Conclusion:Sagittal parameters such as SNA, SNB and ANB play a significant role in the development of lower incisor crowding, which must be kept in mind while formulating treatment strategies for patients with such complaints.
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Copyright (c) 2012 Ghulam Rasool, Muhammad Kamran, Asfand Ali Khan, Wardah Farhat

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