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ISSN: 2637-6636

Interventions in Pediatric Dentistry: Open Access Journal

Research Article(ISSN: 2637-6636)

Reliability of Construction of Gonial Angle in Mixed Indian Population: OPG or Lateral Cephalogram – A Pilot Study Volume 6 - Issue 2

Sukhbir Singh Chopra1*, Rajat Mitra2, Nanda Kishore Sahoo2 and Ashish Kamboj1

  • 1Department of Orthodontics & Dentofacial Orthopedics, Maharashtra University of Health Sciences, India
  • 2Department of Orthodontics & Dentofacial Orthopedics, Delhi University, India/li>

Received:June 08, 2021   Published: June 16, 2021

*Corresponding author: Sukhbir Singh Chopra, Department of Orthodontics & Dentofacial Orthopedics,Maharashtra University of Health Sciences, India

DOI: 10.32474/IPDOAJ.2021.06.000234

Abstract PDF

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Abstract

Aims: The aim of the present study is to compare the measurement of gonial angles and vertical ramal length (both right and left) from OPG with the gonial angle and vertical ramal length measured from lateral cephalograms in a mixed Indian Population with Class I, II & III malocclusion. Settings and Design: The retrospective cross‑sectional diagnostic study was conducted after obtaining due approval from the institutional ethical committee.

Methods and Material: Gonial angle and ramal length was measured from 57 OPG and lateral cephalogram of orthodontic patients (26 females and 31 males). The patients were a heterogeneous group comprising of individuals from pan India.

Statistical analysis used: The analyses of descriptive statistics, reliability, analysis of variance and correlation was conducted with SPSS 20.0, IBM. The means based on malocclusion classes were compared using one-way analysis of variance (ANOVA) followed by comparison of correlation values using Pearson correlation. Gender differences were also compared using T-test. Post Hoc analysis could not be carried out due no statistically significant difference found through ANOVA.

Results: There was no statistical difference in the measurements of gonial angle made from OPG as compared to the same measurements made from a lateral cephalogram.

Conclusions: In addition to the conventional method of measuring the gonial angle and ramal length, OPG may also be used for their accurate measurement.

Keywords: OPG; lateral cephalogram; gonial angle; ramal length

Abstract| Introduction| Materials and Methods| Results| Discussion| Conclusion| References|

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