Development and Validation of a Python-Based Royal London Space Analysis Tool: A Digital Solution for Orthodontic Treatment Planning

AbstractBackground: The Royal London Space Analysis is a fundamental orthodontic diagnostic tool,but manual calculations are time-consuming and prone to error. We have developed an opensource Python application to automate this analysis. And further validated it for accuracy.Software is made available for free to use on githubMethods: The Tkinter-based GUI implements the standard Royal London protocol. Validationinvolved 40 retrospective cases assessed by us the three orthodontists comparing manual vs.digital calculations.Results: The tool demonstrated perfect calculation accuracy (100% agreement) with manualmethods while reducing analysis time from 5.2±1.8 minutes to 0.9±0.3 minutes (p