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• High-precision expansion mechanism for controlled and consistent skeletal widening
• Compact design suitable for limited palatal space cases
• Laser markings for accurate directional activation guidance
• Medical-grade stainless steel construction for durability and corrosion resistance
• Secure key insertion slot to prevent slippage during activation
• Smooth and stable expansion force for predictable orthodontic results
• Designed for rapid maxillary expansion (RME) applications
The Leone Hyrex Rapid Expander Screw is a precision orthodontic component designed for rapid maxillary expansion (RME). It delivers controlled transverse skeletal widening by separating the mid-palatal suture, helping correct narrow maxillary arches and crossbites. Its compact and stable design ensures predictable activation and reliable clinical outcomes in both mixed and permanent dentition cases.
• Pack of 1
• Type: Orthodontic rapid maxillary expansion screw
• Application: Skeletal maxillary expansion (RME)
• Material: Medical-grade stainless steel
• Activation: Manual key activation system
• Placement: Fixed appliance (banded or soldered framework)
• Use Case: Crossbite correction, narrow maxilla, arch expansion
• Dentition: Mixed and permanent dentition
• Requires proper orthodontic diagnosis and treatment planning before use
• Typically activated 0.2 mm per day (as prescribed by orthodontist)
• Must be monitored regularly for symmetry and patient comfort
• Retention phase recommended for 3–6 months after expansion
• Appliance should be cemented and secured before activation begins
• Patient/caregiver must be properly instructed on activation protocol
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