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GC FujiCEM™ 2

GC FujiCEM™ 2

Resin-modified glass-ionomer luting cement is a good choice for a luting agent with strong retention to many of today’s restorative materials.

Luting cements play an important role in the long-term success of indirect restorations. That is why GC FujiCEM™ continues to be one of the most trusted dental cements among discerning clinicians with more than 150 million crowns cemented world­wide since 2001.1 Now, GC America Inc. introduces new GC FujiCEM™ 2, an advanced resin modified glass ionomer luting cement—with F2 Flex Fuse technology—to increase bond, flexural, and compressive strength in one easy-to-use material.

Resin modified glass ionomer cement is a unique material with unique properties. The two components of this cement are an alumino-fluoro-silicate glass, which is the base, and a polyacrylic acid acting as the catalyst. Translucent properties of the glass and adhesive properties derived from the polyacrylic acid form a water-based cement ideal for many types of indirect restorations. The material is a kind of composite resin but is one where the filler takes part in the setting reaction. For the best results, the clinician should have a basic understanding of this cement’s setting reaction and how to protect it from the oral environment in the early setting stages.

The wide range of chemical diversity of this material presents considerable potential for further development. New GC FujiCEM 2 incorporates a new modified filler-surface treatment to create a strong bond between the glass particles and resin matrix, fusing the cement to the tooth structure and substrate material. Instead of just the conventional monomer, GC FujiCEM 2 also includes a flexible long-chain monomer that gives the material its higher flexural strength and allows it to act like a shock absorber, better resisting occlusal loads.

There are critical elements during any cementation procedure that factor into an overall successful restoration, with time being of the utmost importance. GC FujiCEM 2 rules out the need for rubber dam or extra care to control humidity, and there is no need for previous etching and bonding in different steps. It has a rubbery consistency for non-messy removal of excess material and it is extremely easy to clean up.

Experienced clinicians know that improper mixing can compromise the integrity of the cement. The new GC FujiCEM 2 Dispenser continues the long-standing GC tradition of innovative delivery systems. With 85% less weight, GC FujiCEM 2 is easily dispensed directly into the restoration, saving even more valuable time.

The physical, chemical, and handling properties of glass ionomer luting cement have been greatly improved since the cement was first developed. These improvements, coupled with the cement’s compatibility with the pulp, has caused its reputation as a luting cement to take a large step into the future. This material boasts the following five key properties:

• Strong Retention: Optimal chemical balance for maximum adhesion to tooth structure. The early, high compressive and flexural strength provides the best possible support for indirect restorations.
• Sealing Ability and Marginal Integrity: Superior chemical bonding to tooth structure maintains the marginal seal, minimizing the risk of microleakage and secondary caries.
• Sustained Fluoride Release: Designed to protect tooth structure against recurring caries. Like all true glass ionomer cements, the fluoride can be recharged over time.
• No Postoperative Sensitivity: Poses no risk of postoperative sensitivity for patients because it is non-irritating to tooth structure and surrounding soft tissue.
• Extremely Thin Film Thickness: The creamy consistency and low film thickness allows for stress-free seating of restorations.

Clinical Technique

Before cementation, clean and disinfect the teeth with a dentin desensitizer. When using a resin modified glass ionomer cement, it is important not to overdry and desiccate the preparations before cementation, because it may cause postoperative dentin hypersensitivity. Using a new convenient delivery system (Figure 1), the GC FujiCEM 2 is placed directly into the inner surfaces of the restoration. The low film thickness of the RMGIC will allow for a complete seating of the restoration. Finger pressure is used for several seconds to extrude excess cement around the margins of the restoration. The patient then bites carefully into maximum intercuspation and “squeezes” the teeth together to further aid in the seating of the bridge. Once the initial set is complete, the excess cement can be cleaned out with an explorer or scaler.

Resin modified glass ionomer cements, such as GC FujiCEM 2, are a good choice as luting agents that are insoluble, yield strong retention to many of today’s restorative materials, and work well even when moisture control is a problem (Figure 2).

Reference

1. Data on file, GC America. Available at www.gcamerica.com/products/operatory/GC_FujiCEM_2. Accessed August 27, 2012.

The clinical technique was written by Robert Lowe, DDS, a private practitioner in Charlotte, North Carolina.

For more information, contact:

GC America Inc.
Phone: 800-323-7063
Web: www.gcamerica.com

Disclaimer

The preceding material was provided by the manufacturer. The statements and opinions contained therein are solely those of the manufacturer and not of the editors, publisher, or the Editorial Board of Inside Dentistry.


Figure 1 GC FujiCEM 2 is a good choice as a luting agent that is insoluble, yields strong retention to many of today’s restorative materials, and works well even when moisture control is a problem.


Figure 2 GC FujiCEM 2 is a good choice as a luting agent that is insoluble, yields strong retention to many of today’s restorative materials, and works well even when moisture control is a problem.