Soft And Hard Tissue Changes Of Class â…¡ Division 1 Cases After Orthodontic Treatment

ObjectiveTo investigate changes in soft and hard tissue of class II division 1 cases after orthodontic treatment.MethodThirty class II division 1 cases were chosen and cephalometric analysis was performed. Statistical analysis was performed using Spss 12.0 software.ResultsAfter treatment, overjet and overbite was reduced. The labial inclination of upper incisor was reduced during extraction treatment. The labial inclination of upper incisor was reduced and low incisor inclined labialy during non - extraction treatment. The nasolabial angle was increased and soft tissue convexity was reduced.ConclusionThe orthodontic treatment mainly affects the position of upper and low teeth, and the nasolabial angle and soft tissue convexity.