Abstract
Aim: To determine the mean Dental Aesthetic Index (DAI) malocclusion score among patients with Antero-posterior basal bone discrepancy (APBBD) and to assess the treatment need of the patients with horizontal jaw deformities as calculated by DAI guidelines. Methodology: The descriptive cross sectional study was conducted in the Orthodontic department, University College of Dentistry, The University of Lahore. Lateral cephalograms of the patients were analyzed for anteroposterior basal bone discrepancy by measuring angle ANB. Two hundred and thirty one subjects were included in the study having ANB >4° or <1° through non probability consecutive sampling technique. Study casts were obtained and malocclusion parameters for Dental Aesthetic Index (DAI) were calculated. Results: The mean Dental Aesthetic Index (DAI) score in APBBD was 37.10 ± 7.62, in skeletal class II (37.14 ± 7.90) and in skeletal class III (36.98 ± 6.68), (p-value 0.75). Moderate positive correlation existed between DAI score and ANB in skeletal class II subjects (R 0.49, p <0.001). Conclusion: The mean DAI score in APBBD showed mandatory treatment need in patients with Antero-posterior basal bone discrepancy. Moderately positive correlation existed between ANB and DAI score in skeletal class II patients. Keywords: Malocclusion, Dental Aesthetic Index, Jaw disharmony
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