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[Changes in dental and periodontal hard tissues during tooth movement by radiographies]
1School of Stomatology, Fourth Military Medical University, Xi'an.
Abstract:
The authors based the observation of 13 monkey's 125 radiographies and described the course of histological changes in orthodontics. The results confirmed that we should not use more than 100 grams of force for monkey's upper lateral incisors in orthodontics treatment. The more force is applied the more severe injuries will be resulted. It is emphasized that radiograph examination is very important in orthodontic treatment. Radiographies may showed the characteristics of histological changes of dental and periodontal hard tissues during tooth movement.