HIGHLIGHTS
- who: Nehal F. Albelasy from the The present study was conducted on , consecutive patients (, females, males) with the age range of, ., years and diagnosed for class II division , malocclusion or bimaxillary protrusion without crowding in the maxillary arch who were indicated for extraction of maxillary first premolars. The exclusion criteria were established as existence of periodontal diseases, bone resorption or inability to maintain good oral hygiene. The Research Ethics Committee of the Faculty of Dentistry, Mansoura University, Egypt approved the study protocol. All the patients were informed of the procedures and signed the informed consent. The patients . . .
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