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Establishing Post Orthodontic Norms for Incisor Positioning In South Indian Population Using Tetragon Analysis

Journal: International Journal of Dentistry and Oral Science (IJDOS) (Vol.08, No. 12)

Publication Date:

Authors : ;

Page : 5197-5200

Keywords : Cephalometric Norms; Planned Incisor Positioning; Tetragon Analysis.;

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Abstract

This study aims at providing ideal cephalometric norms to position the maxillary and mandibular incisors at the end of orthodontic treatment in the ethnic south Indian population. Materials and methods: 65 individuals having Class I malocclusion with bimaxillary protrusion were considered for this study with 20 males and 45 females, who needed orthodontic treatment with extraction of all the first pre molars. Fastlitch's Tetragon analysis (U1-PP,U1-L1,L1-MP,MP-PP, Pt -Or /Pt -PNS, Pt-PNS/PP, PP- Pt/Or) was employed to identify the changes brought about due to orthodontic treatment. Results: The orientation of the maxillary incisors in the South Indian population was found to be similar to that of the norms given by Fastlitch, but the Lower incisors were more proclined and as a result there was decreased interincisal angulation noted and with a predominantly low angle individuals were noted. Conclusion: This study provides the clinician a definitive end point to orient the maxillary and mandibular incisors in case of ethnic south Indian population after orthodontic treatment.

Last modified: 2022-01-06 18:22:46