Our experienced dedicated ceramists make every porcelain fused to metal restoration with craftsman's attention to detail, while harnessing the advantage of CAD/CAM designed copings. We build from digitally designed and fabricated wax-up and your choice of semi-precious and precious alloys. 3Dent gives due importance to selection of alloys. We use Beryllium free alloy and additionally for sensitive patients, nickel free and palladium free metal is used. 3Dent uses wax of extremely low shrinkage and makes use of materials that offer fine detailed smooth surface and controlled expansion to produce perfect casting.
Advantages:
- Unbreakable
- Thinner margins
- High strength
- Natural aesthetics.
This is an excellent solution for short term and long term provisional restorations. This can be effectively used to determine the tooth size and shape approval from patients particular about the esthetics in the anterior zone as a part of Smile designing process.
Laser sintering technology of CoCr powder( DMLS), we can offer the highest-quality and most precise dental structure that can currently be produced. CoCr laser sintering allows fast and very precise production of various types of denture frameworks.
Advantages:
- Light in weight
- CAD precision gives excellent fitting, high strength, rigidity, filigree geometries while ruling casting error.
- Tensile strength of 1350 MPa.
- Bonding strength of 42 MPa.
Besides providing strength and aesthetic appeal, Zirconia might be a functional solution for your patients who have metal sensitivities or allergies.
If proper care is taken, zirconia crowns are made to last for lifetime.
Advantages:
- Zirconia crowns are highly biocompatible, as the smooth surface helps to reduce plaque accumulation. Solid zirconia crowns are extremely resilient. Even though the porcelain used for layering does not have the strength of solid zirconia, they are designed to bond with the zirconium substructure and chipping and fracturing are extremely rare.
- The material promotes a healthy tissue response.
- Zirconia is suitable for patients with metal allergies or who would prefer to have metal-free restorations.
- Zirconia is metal-free, which prevents darkening around the gingival area. This eliminates the possibility of metal margins becoming exposed due to gum recession.
- The translucent nature of this material can transmit the color of adjacent teeth and it is manufactured in a wide variety of hues, making it simple to accurately match the color of the patient’s natural teeth.
- Using computer-aided design and manufacturing processes provide patients with a precise fit, reducing the chair-side time required for adjusting and cementing restorations.
- Crowns can be conventionally cemented in place using traditional bonding techniques.
- Zirconia crowns are comfortable for patients, as they do not transmit hot and cold in the same way as conventional PFMs.
Types of Zirconia:
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LAYERED ZIRCONIA RESTORATIONS
Layered zirconia restorations combine the highest esthetics as well as the strength and flexibility necessary for posterior and anterior cases. The zirconia substructure typically has a flexural strength of 1200 MPa, comparing favorably to traditional porcelain fused to metal crowns. Additionally, extensive laboratory testing has shown the fracture toughness and flexural strength of zirconia is significantly higher than that of alumina or any other all-ceramic materials.
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SOLID ZIRCONIA RESTORATIONS
If a crown requires minimal clearance or a crown has to stand up to a severe bruxer, then a solid zirconia restoration is a viable alternative for posterior crowns and bridges. Designed and milled using CAD/CAM technology, solid zirconia restorations are sintered for over six hours at 1,500°C. Solid zirconia does not have the same level of esthetics as the layered version, but what it lacks in appearance, it makes up in sheer strength. Fabricated out of 100% monolithic medical-grade zirconia, it is virtually unbreakable. Even patients with the most severe form of bruxism will not experience fracturing issues. A solid zirconia restoration should be properly glazed and highly polished to avoid grinding and wear down on opposing teeth. This smooth surface will also lead to a reduction in plaque accumulation inside the patient’s mouth.
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ZIRCONIA HT (HIGH TRANSLUCENT)
Zirconia HT combines excellent strength and durability with a lifelike translucency and opalescence, and natural vibrancy. Although the flexural strength of Zirconia HT is lower than layered or solid zirconia at 500-800 MPa, it is still stronger compared with PFMs and is three times stronger than lithium disilicate. It is a versatile material suitable for anterior and posterior crowns, and for bridges up to three units. Less occlusal preparation is required. The thinner construction provides excellent translucency, allowing light to be reflected and absorbed like a natural tooth. Zirconia HT is not suitable for specific restorations which include inlays and onlays because of the visibility of margins. Margin visibility also renders its use unsuitable for veneers.
High-translucent zirconia is ideal for single anterior and posterior crowns, for bridges up to three units, and for implant crowns. Its use is not always recommended for patients with bruxism. Like all zirconia restorations, high translucent zirconia is biocompatible, plaque resistant, and a great metal-free alternative to PFMs.
The hybrid dental ceramic has a dual-network structure that combines the best properties of ceramic and composite materials. The simple mill, polish, and place process of dramatically reduces chairtime and improves productivity.
Advantages:
- Less brittleness than a pure dental ceramic.
- Characteristics similar to those of natural dentition.
- Best suitable for can be used for minimally invasive restorations.