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sdj-10147

Evaluating Diagnostic Validity of Various Sagittal Cephalometric Parameters (a Comparative Retrospective Study)

Saya Mustafa Azeez *, Ribwar F. Khalid**
 
*Orthodontics Department, Faculty of Dentistry, Tishk International University, Erbil, Iraq.
**Diagnosis and Radiology Department, Faculty of Dentistry, Tishk International University, Erbil, Iraq.
 
 
Submitted: September 18, 2021, Accepted: February 22, 2022, Published: June 1, 2022.
 
DOI: https://doi.org/10.17656/sdj.10147

Abstract

Objective: The goal of this study was to determine the accuracy and reliability of numerous skeletal analyses for determining the sagittal skeletal pattern. 

MethodsA total of 105 cephalometric x-rays were used. The Steiner’s ANB angle, anteroposterior dysplasia indicator (APDI), and angle of convexity by Down’s assessed the anteroposterior skeletal pattern. According to the diagnostic results of the majority of the criteria, the samples were divided into three classes: I, II, and III. The analyses' validity and reliability were assessed using Kappa statistics, positive predictive value, and sensitivity.      

ResultsThere was a moderate agreement between the ANB angle and the final diagnosis (K= 0.593). The ANB angle demonstrated the highest sensitivity in class II and III groups (1.00).  

ConclusionsThe ANB angle and down's angle of convexity was the most accurate markers for class I and III groups, respectively, while the Down's angle of convexity and APDI were the most accurate indicators for class III group.                                                                                     


Keywords:  Cephalometry, Maxilla, Mandible, Malocclusion.         


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