Expansion Screws


Exspider 9mm (Fan) Expansion Screw


The Exspider allows for fan type expansion on the upper arch.




Mini-Palex® Expansion Screw


The Mini-Palex® from Dentaurum features a greatly reduced main body for increased patient comfort. There are 2 legs extending from the body which are typically bent to contact bands on the first molars when used in a Rapid Palatal Expander. The Mini-Palex® can be used for upper or lower expansion and is capable of 12 mm expansion.

Palex® is a registered trademark of Dentaurum.




RPE Keys - Plastic


Specialty Appliances offers the Shilliday activation key. This special design has become the industry standard for activation keys. This RPE key is used to turn all RPE Screws except the RES™ Screw.