Webinar Bone-Borne Expansion    James Roblee, one of the excellent speakers worldwide, will introduce the topic of bone-borne expansion in a 2-hour webinar exclusively for DTMD University.   A lot has happened in the field of palatal expansion. The roof of the oral cavity is also the floor of the nose.  As a result, we can also influence the ventilation of the nose through this technique. This is an important issue for children in growth and development, but also for…