Evaluation of Upper Incisor Position and Its Comparison with Lip Posture in Orthodontically Treated Patients.
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 4
Abstract
Introduction: Harmony And Balance Between The Facial Features Is An Integral Part OfOrthodontist’s Responsibility. Incisor Position Plays An Important Role In Determining Lip Posture Aim And Objectives: The Aim Of The Study Is To Evaluate The Incisor Position Using Hard Tissue NasionPogonion(N-Pog) Line, A-Line (By Alvarez A.) And Soft Tissue Parameters I.E. Forehead Facial Plane (FFP) And Forehead Midpoint Plane (FMP) And To Compare It With Lip Posture Assessed Using S-Line And B-Line On Lateral Cephalogram.MaterialsAnd Methods: Sample Comprised Of 30 Post Treatment Lateral Cephalograms Of Patients With Class I Molar Relation And Normal Overjet And Overbite. Cephalograms Were Traced Manually And Both Soft And Hard Tissue Landmarks Were Located. Upper Incisor Position Was Evaluated Using N-Pog, A-Line, FFP And FMP. Lip Posture Was Assessed Using Steiner’s S-Line AndBurstone’s B-Line. Measurements Obtained Were Subjected To Statistical Analysis. Statistical Analysis: Correlation Between The Lip Posture And Each Upper Incisor Determining Parameter Was Done Using A Linear Regression Correlation Test.Results: The Position Of Upper Incisor Using N-PogTo Lower Lip Posture Showed Extreme Significance. Moderate Significance Was Obtained Between N-PogTo Upper Lip AndFFP To Lower Lip. Rest Of The Parameters Were Not Significant. The Mean Value Of A-Line To Incisor Position Was 1.18mm.Conclusion: 1. N-PogLine Can Be Used As A Reliable Parameter To Determine Upper Incisor Position And Lip Posture And FFP Can Be Used For Lower Lip Posture. 2. Mean Value Of Upper Incisor ToA-Line Was 1.18mm.
Authors and Affiliations
Hemaunshi Dinesh Patil, Amit B. Nehete, Nitin D. Gulve, Kunal R. Shah, Shivpriya D. Aher
Keywords
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- EP ID EP370558
- DOI 10.9790/0853-1704055360.
- Views 88
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