Dental News Articles

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...

Dental News Volume XIX, Number II, June, 2012 by Dr. Jaouadi Jamila Introduction An ill-fitting complete denture may cause various lesions on mucosa  and inflammatory overgrowth could appear, so, reparing, relining or  rebasing the denture will certainly resolve the problem. Repairing Denture may fracture during the function, or may drop on a hard  surface. So the key of repairing is the accurate reassembling and  alignment of the broken parts in their original position. Midline Fracture Causes - No or insufficient relief in the midline.2 - Ridge resorption wit loss of relief effect. Procedure - Broken parts are assembled and fixed together with sticky wax on  the polished surface. - Assembled parts may be strengthened with burs or plastic sticks. - Any undercut on the fitting surface is blocked out with wax or clay. - Stone plaster is poured into the fitting surface. After stone setting...