الفهرس 
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Abstract
This study has been prepared to assess the amount of atomic absorption roots of the upper incisors after orthodontic layering and close the distance between the teeth on the cases of malocclusion .
This study was conducted on ten patients, five cases of females and five of interposed males ages 9 to 14 years old cases have been chosen according to the following criteria :
. First Class Hickey .
. They do not have bad oral habit .
. All cases have congestion Hdsh in teeth.
. Good oral health .
. Lack of supportive textile disease .
. The upper incisors are not subject to endodontic treatments .
. Require all cases to take off the first four premolars in their own treatment plan .
. All cases in the Permanent Altsensn stage .
. Cases, are not subject to address the previous calendar .
Been treating all cases in this study using orthodontic appliances fixed images were taken Isaih about the peak of the breakers top of each case in this study, and picked up three images Isaih each case once before treatment and the other at the end of the study period was taken rays that pass scan in the first picture between the folds while passing in two other two between Rabaitin the images .
* Summarized important results in this study are as follows:
. The absence of the upper incisors atomic absorption within 12 months of orthodontic treatment of thoughtful Cutters , light absorption atomic the upper incisors .
. In this study are no statistical relationship between the absorption peak of the roots of the upper incisors and the age of the cases and the amount of the deficit in the distance and treatment periods .
. Does not have a statistically significant difference between the atomic absorption roots of upper incisors between males and females .
. To Ayujaddartbat between the form of the height of the root and the amount of absorption that occurred to atomic upper incisors .