Dental News Articles

Dental News Volume XXII, Number IV, December, 2015 By  Dr.  Mario José Besek COMPONEER™ is an new generation of front teeth restoration. It is a direct “chairside“ veneering technique based on composite and offers a lot of advantages. Componeers are prepolymerized enamel shaded composite shells, which enables an easier procedure in the freehand technique with composites. The prefabricated componeers, that can be individualized leads into better marginal adaptation and have a 100% connection to the restoration composite, are completely homogeneous and free of voids  with a thickness of onlay 0.3mm. The anatomical basic form consists of different sizes and colors which makes the work easier. The correction of unlikely teeth, malpositions and  less smile presence seems to be more and more important for patient and dentist.  Also the cost – benefit relationship is a criteria, natural beauty, minimal invasive procedure, ability of individualiz...

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 XXII, Number IV, December, 2015 By  Dr. Sawsan Nasreddine ,   Dr. Fida Sayah,  Dr. Fady Kassir,  and  Pr. Mounir Doumit ,  of the  Lebanese University,  School of Dentistry Abstract Discoloration of the tooth can erode the sparkle from a smile. There are many factors that contribute to tooth staining. It is important to understand that in some cases staining can be prevented but in others it cannot.  There are two types of tooth discoloration: extrinsic which affects teeth from the outside and intrinsic which affects the teeth from the inside. The purpose of this article is to review literature on the etiologies and classification of tooth staining and discoloration. Key words:  Etiology, classification, extrinsic discoloration, intrinsic discoloration Introduction The appearance of the dentition is of concern to a large number of people seeking dental treatment and the color of the...