Dr. Kirk explains how to properly use a palatal expander key to make turns for activation of a palatal expander. Note that this video shows an older style of appliance, that is less slim and streamlined than the 3D-printed expander appliances we currently use.

Why do some kids need a space maintainer? Learn how this appliance holds space for adult teeth after premature tooth loss.

See how the Halterman appliance helps bring in an impacted molar that isn't erupting on its own.