The universal expansion screws are used in fixed and removable appliances to expand dental archs. They offers an expansion range from 5 to 13mm.

Ideal Use:

• Morelli expanders are suitable for fixed or mobile appliances for expansion or disjunction of dental arches. 
• Precise activation with each turn of the screw
• Screw with braking system preventing backsliding and loss of activation
• Stability to maxillary and mandibular forces
• Locking on the top of the guide pins preventing disassembly of the expander in case of excessive opening.
• Expansion range: 6.5mm