Preparation Design For Laminate Veneer
Here the veneer is taken up to the height of the incisal edge but the edge is not reduced leaving an incisal edge in enamel and porcelain.
Preparation design for laminate veneer. A review article article pdf available in journal of dental rehabilitation and applied science 32 3 149 157 september 2016 with 2 673 reads. Twenty five specimens per preparation design will be used for a total of so specimens. This nonoverlap incisal preparation design has been recommended for patients with normal overbite3 26 and to avoid direct contact of ceramic veneers with their antagonistic tooth structure. 1 mm to 1 5 mm facial preparation 3 mm chamfer margin at or slightly subgingival.
The authors searched medline with pubmed and ovid to identify any articles in the english language related to the topic up through march 2017 using a combination of key words. Ceramic veneers will be fabricated for each individual specimen using the cad cam machine. In the nexus system this layer is air thinned and cured prior to cementation. Types of studies reviewed.
Either veneer material can be used depending on the goals and preferences of the clinician. Porcelain veneer or ceramic veneer or dental veneer or labial. Apply the cement nexus kerr to the preparation and the surface of the veneer with a brush or plastic instrument. However during the cementation phase under the rubber dam the loss of the esthetics landmarks could lead to errors in the future positioning of the laminate veneers.
Feather edge design minimal preparation design facial preparation design. Tooth preparation design of dental laminate veneer. 26 on the other hand other authors have suggested that the feathered edge incisal preparation design may result in a weak veneer high risk of. Statistical analysis of the data obtained from clinical and non clinical studies showed a survival rate of 75 for this type of design.
The butt joint preparation and the prepless veneer preparation type and will then be sent back to columbia dentiform to be duplicated. Adhesive is applied to the surfaces of the preparation. In other systems this layer may be left to cure during the cementation. The prosthetic preparation of the teeth for ceramic laminate veneers has to follow the minimally invasive concept brought by the modern conservative dentistry and prosthodontics.