GC Initial® LiSi Block is a fully crystallized lithium disilicate block that delivers optimal physical properties without firing. This unique block features GC’s proprietary HDM (High Density Micronization) technology for CAD/CAM dentistry to deliver high wear resistance, smooth margins and esthetic final results. This makes it an ideal, time saving solution for single visit chairside treatments.
GC Initial® LiSi Block can dramatically reduce process time: no need to fire, glaze, characterize and cool. This saves up to 40% in the time* required to create your restorations, also reducing the chair time for you and your patient. You just need to mill, polish and place!
Source: GC R&D, Japan, Data on file.
*Under testing conditions based on IFU.
In 2016, with GC Initial® LiSi Press, GC introduced HDM (High Density Micronization) technology, which uses equally dispersed lithium disilicate micro-crystals to fill the entire glass matrix rather than using traditional larger size crystals. The clinical effectiveness of this technology has been proven after 5 years of clinical service.(1)
To bring fast solutions for one appointment dentistry, GC has further developed HDM technology for CAD/CAM dentistry by optimizing the crystal size and glass matrix stiffness. Thanks to this new technology, good machinability, marginal integrity, polishability, and wear resistance are achieved at the same time. The result is a strong and easy-to-mill block that offers the same strength with or without firing.
Improved glass matrix stiffness
for high mechanical strength
Smaller crystal
for easy milling and high wear resistance
Source: GC R&D, Japan, Data on file.
Courtesy of Dr. Mark Kleive
Prepare
Scan
Design
Mill
Polish or characterize
Condition
Cement
Final result
Source: GC R&D, Japan, Data on file.
GC Initial® LiSi Block is available in high translucency (HT) and low translucency (LT) and offers a natural opalescence in any light.
Superior gloss can be obtained in few minutes by polishing only, and the restoration is then ready for luting. For sophisticated aesthetic cases, remarkable results can be achieved with GC Initial® IQ Lustre Pastes NF and GC Initial® Spectrum Stains.
GC Initial® LiSi Block restoration under direct and indirect light.
Courtesy of Dr. Javier Tapia Guadix, Spain
«This case milled beautifully without marginal chipping and saved me a lot of chair time, since it doesn’t require any firing! Just polished and cemented.»
Karyn M. Halpern, DMD, MS
Port Jefferson Station, NY
«GC Initial® LiSi Block has all of the advantages of lithium disilicate in terms of strength, esthetic, and bondability, without the need for firing.»
Yao-Lin Tang, DDS
San Mateo, CA
Courtesy of Karyn M. Halpern DMD, MS
Courtesy of Yao-Lin Tang, DDS
The dentists showcased above are compensated as Key Opinion Leaders for GC America. They have not been paid specifically to endorse this product or provide these testimonials.
All cements are different, from glass ionomers to resins. Remembering how to use each of them, especially cements that are new to your practice, can be confusing at times. While these products always include instructions for use, and usually technique cards, keeping track of all these items can be a hassle. Luckily, the digital age has simplified instructional use, making it easier to learn how to use these new products and incorporate them into your daily procedures.
GC Luting Guide is an excellent app available for free on the Google Play Store and Apple App Store, which showcases all of GC America’s cements with their indications and step by step use.
