This study evaluates the dentoskeletal effects of the expander with differential opening in orthodontic patients in the mixed dentition. Half of participants will undergo rapid maxillary expansion (RME) using the expander with differential opening, while the other half will undergo RME using the conventional Hyrax expander.
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Maxillary and mandibular inter-first permanent molar distances
Timeframe: 6 months
Maxillary and mandibular inter-second deciduous molar distances
Timeframe: 6 months
Maxillary and mandibular inter-first deciduous molar distances
Timeframe: 6 months
Maxillary and mandibular inter-deciduous canine distances
Timeframe: 6 months
Maxillary and mandibular dental arches perimeters
Timeframe: 6 months
Maxillary and mandibular dental arches lengths
Timeframe: 6 months
Palatal depth
Timeframe: 6 months
Inclination of maxillary and mandibular first permanent molars
Timeframe: 6 months
Inclination of maxillary and mandibular deciduous canines
Timeframe: 6 months
Amount of interincisor diastema
Timeframe: 10 days