When O.V.D is Wrong in Complete Dentures
Dental News Volume XXII, Number IV, December, 2015 By Dr. Jamila Jaouadi Introduction Why O.V.D should be correctly determined? • To establish and maintain a harmonious relationship with all oral structures and to provide a masticatory apparatus that is efficient and esthetically acceptable. • To ensure that all the effects of occlusal loading be distributed as evenly as possible to all supporting structures capable of receiving the force. • To best control the undesirable effects of rotational or torquing forces on the prosthesis. • To prevent any deflective contacts of the teeth during centric or eccentric closures as these can produce pathological changes in the supportive structures or in the neuromuscular mechanism that controls mandibular movement. Definitions • Rest Vertical Dimension (RVD) Is the distance measured when the mandible is in the rest position . • Occlusal Vertical Dimension (OVD) Is the distance meas...