《英文msh词典》Vertical Dimensions
[入口词] Vertical Dimensions
[主题词] Vertical Dimension
[英文释义] The length of the face determined by the distance of separation of jaws. Occlusal vertical dimension (OVD or VDO) or contact vertical dimension is the lower face height with the teeth in centric occlusion. Rest vertical dimension (VDR) is the lower face height measured from a chin point to a point just below the nose,with the mandible in rest position. (From Jablonski,Dictionary of Dentistry,1992,p250)