Applicability of IOTN Index for QualityAssessment of Orthodontic TreatmentDifficulty

Background Evaluating the need and assessing severity of problem help in concluding actual for orthodontic treatment. Many indices had been developed over years this purpose, one most used is IOTN. This study was carried out assessment grade treatment difficulty utilizing IOTN index patients seeking at King Abdulaziz Dental Center, Riyadh, Saudi Arabia. Random casts digital photos residents’ were collected, statistical analysis afterward performed research results. Methods Fifty random samples collected from seven residents who are attending Center. Casts utilized components. The score incidence each variable calculated statistically by SPSS Python’s libraries (Pandas, NumPy, Matplotlib). AC DHC categories compared to assess correlation using Chi-Square Spearman’s tests. Results Among 50 participants, 24% do not or have a slight treatment, 42% expresses moderate 34% actually regard esthetic component. As dental component, 10% 26% express 64% test proved ( r = 0.861) between two comparison showed significant differences p < .001). Conclusion valid screening patients’ application concluded that severe required Adapting such simple way through applying casts, X-rays, photographs can save time effort. However, more trials needed evaluation technique’s accuracy.