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Comparative Study Of Maxillary Expansion By Alternate Rapid Maxillary Expansion And Constriction Versus Hyrax Expansion, Manar Mahmoud, Ahmad Salama, Samir Ibrahim
Comparative Study Of Maxillary Expansion By Alternate Rapid Maxillary Expansion And Constriction Versus Hyrax Expansion, Manar Mahmoud, Ahmad Salama, Samir Ibrahim
Al-Azhar Journal of Dentistry
Aim of study: was to evaluate the skeletal and dental effects of maxillary expansion by alternate rapid maxillary expansions and constrictions technique in comparison to conventional RME expansion by Hyrax by using PA cephalometry. Material and methods: Twenty patients with constricted maxillary arch represented with an unilateral or bilateral posterior cross bite were selected with ages ranged from 12-15 years. Patients were divided randomly into two equal groups by computer aided randomization according to the protocol of expansion into (Group I): who received alternate rapid maxillary expansions and constrictions (Alt-RAMEC) protocol and (Group II): who received conventional RME protocol. Results: …