CEREC Same-Day Crowns
The revolutionary CEREC molding system has made it possible to create strong porcelain restorations in one office visit. Previously with traditional crowns, and fillings, patients had to attend one visit for tooth preparation, and were required to wait two weeks before receiving their permanent crown, or filling. Besides the inconvenience of multiple office visits, patients also had to endure the problems associated with temporary crowns, or fillings such as them falling out, or breaking. With CEREC, we can design, and create an aesthetic, custom, and permanent crown or filling, in a single visit.
CEREC uses CAD/CAM technology that combines advanced optical display programs, and Cameras into one system. Dr. Rae uses a special camera to take an accurate picture of the damaged tooth. This optical impression is transferred and displayed onto the optical display screen where the dentist uses computer aided design technology to develop the restoration. Computer aided manufacturing automatically creates the restoration to the surface of the old tooth, creating a perfect restoration. The entire process only takes about one hour!
E-Max ceramics allows for the placement of posterior ceramic crowns that support the increased demands of bite forces in the posterior, even for people that grind their teeth. Ivoclar Vivadent’s patented lithium disilicate material is truly a revolutionary feat for the dental industry. The ability to combine high strength composites that are both aesthetically pleasing, and easy of use had previously never before been possible. The E-Max system however, makes this possible today.
IPS e.max is a lithium disilicate glass ceramic that has optimized translucency, durability, and strength for full anatomical restorations. With the utilization of new technologies, and optimized processing parameters, IPS e.max lithium disilicate has evolved beyond previously available lithium disilicate ceramics.
IPS e.max lithium disilicate restorations exhibit superior durability featuring 360-400 MPa of flexural strength, which is about four times that of regular porcelain. When fabricated to full-contour, the monolithic structure is the most robust ceramic system tested to date. The opalescence, translucency, and light diffusion properties of IPS e.max lithium disilicate were all designed to replicate natural tooth structure for beauty, and strength. With the natural look of IPS e.max lithuim discilicate as well, these ceramics are not noticeable when viewed.
Flexural strength values largely depend on the methods used to measure them.
Bio-compatibility is regarded as a material's quality of being compatible with the biological environment, i.e. the material’s ability to interact with living tissues while causing no, or very little biological reactions. A dental material is considered to be “Bio-compatible“ if its properties, and function match the biological environment of the body and do not cause any unwanted reactions.
IPS e.max lithium disilicate is being used in multiple global clinical trials with up to 4 years worth of data. These studies show a mixture of both adhesively cemented and conventionally cemented restorations. Both groups of cementation types exhibit a 99% success rate.