نوع المستند : research paper

المؤلف

المستخلص

      Relapse is the term used when teeth go back to their original place after orthodontic   treatment, so the success of an orthodontic treatment depends heavily on retention. Retainers, either permanent or removable ones, are used to avoid relapse. The purpose of this review is to compare the differences between fixed and removable retainers, and to determine which one works more efficient.

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