MEMORIA® Leaf Spring Activated Expander

MEMORIA® Leaf Spring Activated Expander

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This device is an evolution in the design of the previous spring-loaded expander, designed with technical and scientific collaboration of Dr. Claudio Lanteri and Mr Filippo Francolini. The new expander features a small size body, and is equipped with two Nickel Titanium MEMORIA® leaf springs allowing the release of calibrated and continuous forces to promote the dental expansion of the maxillary arch. Re-loading is needed when the two opposing leaf springs move apart: the intraoral activation will put the springs in contact again allowing the release of the chosen force.


Arms (mm)

Body (mm)

Springs Force
1 1.5 12 6mm 2 450g approx
2 1.5 12 6mm 2 900g approx
3 1.5 12 9mm 3 450g approx
4 1.5 12 9mm 3 900g approx

The expander is available in two models releasing either 450g or 900g. Pack of 1 

Product Code:

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