Dental Ceramic Layering Techniques

Dental porcelain also known as dental ceramic is a dental material used by dental technicians to create biocompatible lifelike dental restorations such as crowns bridges and veneers evidence suggests they are an effective material as they are biocompatible aesthetic insoluble and have a hardness of 7 on the mohs scale.

Dental ceramic layering techniques.

Esthetically these materials are preferred alternatives to the traditional materials in order to meet the patients demands for improved esthetics. In this article a simple and predictable restorative technique will be described that concentrates on the recreation of dental tissues of natural thickness layer by layer. Normally the porcelain has the ability to glaze itself by forming a vitrified layer on the surface of dental porcelain ceramic containing a glass phase b. Today s ceramic restoration application despite its popularity gained through esthetical advantages and superior hygienically features has a fragile structure due to its low tensile strength quality.

For certain dental prostheses such as three unit molars porcelain. The background for basic techniques for building porcelain layers is explained with photographs in this chapter. It is a thin layer positioned directly on the metal framework. In the long run it can lose its endurance against shear and draw strengths that occur while chewing.

23 although these metal ceramic bilayers are still considered the gold standard for fpds. Applied or add on glaze. Dental over glazes are composed of clear colorless low fusing glass powder painted on the fired crown surface. Shade with depth in a metal ceramics system can be obtained only with a sufficient thickness of translucent porcelain.

This gives a natural vivid lustrous appearance to the veneers that create the most natural life like smile makeovers that can be achieved. Dental ceramics are usually composed of nonmetallic inorganic structures primarily containing compounds of oxygen with one or. Feldspathic veneers and crowns use a layering technique where layers of porcelain are laid down and the tooth is grown much like a pearl or natural tooth grows to create feldspathic veneers. Some of the techniques are rather complex using numerous shades and layers making them difficult to learn and use in daily practice.

Dental technician illusion layering technique pfm dentine free pfm looks all ceramic. Traditionally fixed partial dentures fpds produced with a metallic infrastructure and a ceramic veneering layer have excellent clinical performance with studies showing an annual failure rate around 1 and a survival rate of 94 after 5 years of clinical follow ups. Layer 1 primary or opaque layer. Dental ceramics is applied in several layers normally 4 but it can be more.

During build up the technician takes into account all the information received from the dental office shade other details.