Assessment of the Effectiveness of Corticision Combined by Selfligating Bracket System on the Acceleration of Orthodontic Tooth Movement; A Prospective Clinical Study

Inclusion Criteria: * Class I orthodontic patients with mild to moderate crowding of upper anterior segment (2-4 mm) All permanent teeth are erupted (3rd molar not included). Good oral and general health No systemic disease or regular medication that could interfere and/or affect orthodontic teeth movement No previous orthodontic treatment. Exclusion Criteria: * Orthodontic cases with severe crowding of upper anterior segment that require extraction treatment approach. Patients with a blocked-out tooth that will not allow for placement of the bracket at the initial bonding appointment. Patients with untreated decay or endodontic lesion.