This research was designed to study the changes in third molar position after extraction treatment in orthodontics. Pretreatment and post treatment cephalometric and panoramic x ray films belonging to 22 orthodontic patients age ranging between 14 to 20 years treated by first premolar extraction. Results of the study showed significant improvement in the mesioangular inclination of the third molars after treatment. There was also significant forward movement of the third molars after treatment. This study agrees with the expectations of some clinicians concerning improvement in third molar position after extraction treatment.