Three Dimensional Expansion Screw Expansion:Single Activation They can be used on

They can be used on hard retainer material

absorbing pads or cotton rolls

tips for placement of stainless steel ligatures

Diamond drawn

One bottle for all surfaces:

Three Dimensional Expansion Screw Expansion:Single Activation They can be used onThe Bertoni Three Dimensional expansion screw is a combined transversal and protrusion screw designed for Y plate appliances allowing simultaneous transverse expansion and incisor protrusion from a single appliance. Typical clinical applications include cases requiring upper arch expansion with anterior development, narrow palatal arches with retroclined incisors, and Class III cases benefiting from maxillary protraction. Compatible with standard