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RELIABILITY OF ANGULAR MEASUREMENTS ON LATERAL CEPHALOMETRIC RADIOGRAPHS ANALYZING BY AUDAXCEPH AND WEBCEPH SOFTWARE
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Abstract
Background: The application of digital programs to analyze lateral cephalometric images brings many advantages to clinicians: saving time, convenient data storage, high efficiency in treatment planning, and comparison before-after treatment. The question asked is how reliable the automatic analysis software is. The objective of this research is: Compare angular measurements in lateral cephalometric radiographs analyzed manually with those analyzed by the AudaxCeph and WebCeph. Materials and Methods: A descriptive cross-sectional study was conducted on 40 lateral cephalometric radiographs of pre-treatment orthodontic patients, aged 12–18. All radiographs were taken with the Frankfort horizontal plane parallel to the floor and the maximum intercuspation position. All radiographs were high-quality and high-contrast. Each radiograph was analyzed using two methods: manually and with AudaxCeph, WebCeph. Results: WebCeph demonstrated high reliability in the analysis of all ten angular measurements. AudaxCeph showed high reliability for six angular measurements (SNA, SNB, U1–L1, L1–NB, facial convexity angle, and mandibular plane angle). Conclusions: Both AudaxCeph and WebCeph are effective tools for lateral cephalometric analysis. However, for optimal accuracy, clinicians should adjust landmarks off the midsagittal plane (Porion, Gonion, Orbitale, and the incisal edge and apex of the maxillary and mandibular incisors) before proceeding with automated analysis by the programs.
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Keywords
lateral cephalometric radiograph, manual tracing, automated analysis, WebCeph, AudaxCeph, intraclass correlation coefficient.
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