Three Dimensional Expansion Screw Expansion:Single Activation absorbing pads or cotton rolls

absorbing pads or cotton rolls

Edges will not score wire

One bottle for all surfaces:

Diamond drawn

They can be used on hard retainer material

Three Dimensional Expansion Screw Expansion:Single Activation absorbing pads or cotton rollsThe 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