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Aesthetics meets Strength
As the pioneer for already precoloured and presintered zirconia and together with dental technicians from the USA and Europe, we have developed different layers in our multilayer zirconia to create the most suitable material and colour gradient.
Cercon ht ML is the hybrid zirconia multilayer for the combination of high strength and natural aesthetics. From a single crown to a 14-unit bridge. No nesting restrictions even for widespan bridges.
Benefits
Why choose Cercon ht ML?
Strength & Safety
From single crowns up to 14-unit bridges, based on the high bending strength (gradient from 1200 MPa in the dentin up to 750 MPa in the incisal) and over 20 years of documented Cercon experience.
Lifelike gradient
The gradient of the layers matching natural tooth aesthetics in one disc without the need to veneer or stain.
Approved Colour Accuracy
Excellent colour matching for all 16 VITA®1 shades and BL2. Consistent quality from batch to batch. Colour accuracy confirmed by dental technicians from Europe and the USA.
Easy to use
Easy to nest and same milling and firing programmes for all Cercon zirconia discs.
Lifelike gradient
Four integrated colour layers after sintering lead to a dentine incisal gradient like a natural tooth. Without necessary veneering.
- Extra high translucency (41-49 %) and excellent shade accuracy allow for natural aesthetics, especially in the anterior region
- All 16 registered VITA®1 shades and BL2 are available. Every shade has its own incisal shade.
Zirconia Multilayer Material
Being a hybrid zirconia multilayer material, Cercon ht ML combines high flexural strength and natural tooth aesthetics in one disc with a gradient from 1200 MPa in the dentin up to 750 MPa in the incisal. It is recommended to nest the crown or bridge in the upper part of the disc to achieve the optimum aesthetic result. The graphic depicts layers of an 18mm Cercon ht ML disc.
Covering discoloured dies
Especially in the anterior region, depending on the degree of discoloration and wall thickness of the restoration.
Easy to use
Easy to nest and same sintering programmes for all Cercon zirconia discs. Just glaze and go.
Advantages
- The layers in the incisal area are the same for all disc sizes, only the dentin area varies in thickness. This additionally leads to extra easy nesting for the dental technician.
- Improves productivity with reproducible restoration results while also saving processing time (milling, sintering, glazing)
- Same sintering programmes for all Cercon zirconia discs
- Speed sintering in less than 3 hours for all Cercon zirconia discs
- QR code scanning for easy use in inLab MC X5 (from CAM Software version 20.0.1)
- Positioning aid for safe repositioning of the blank
Finishing
The finishing of all-ceramic restorations is an essential component of aesthetics and quality. Cercon Multilayers can be finished with only a single glaze or by an individual characterisation with stains.
Examples: 14 unit bridge, milled in Cercon ht ML, Shade A2, finished with Dentsply Sirona Universal Stain & Glaze.
Dental Cements Guide
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Technical Details
Composition (in % by mass)
- Zirconium oxide
- Yttrium oxide 5 – 9%
- Hafnium oxide < 3%
- Aluminium oxide, Silicon oxide, other oxides < 2%
Flexural strength: 750-1200 MPa
Translucency2: 41-49 %
CTE (coefficient of thermal expansion): 10.5 μm/m·K (25 – 500 °C)
Indications in the anterior and posterior segments: Cercon ht ML is indicated in the anterior and posterior segments for:
- Crowns
- Telescopic primary crowns
- Multi-unit bridges (with no more than two pontics between abutment crowns; with no more than 6 units3)
- Two piece abutments4
Cercon ht ML can be used as a substructure (framework) which is then veneered with a dental veneering ceramic or can be used for full-contour application (without veneering) as well.
In the case of telescopic primary crowns, the substructure is not veneered.
Sintering temperature: 1500 °C. Same firing programme as for all Cercon zirconia products. Speed sintering in 2 hours and 50 minutes
Adaptor ring: blue
True Colour Technology: yes
Shades: All 16 VITA®1 -shades + BL2
inLab SW 20.0: From version 20.0.1 part of the material library & nesting tool. Scanning via QR code.
Universal Stain & Glaze: Staining and overglaze for all-ceramics like all Cercon Zirconia materials.
Celtra Ceram: Veneering ceramic for all-ceramic frame materials like Cercon and Celtra Press.
Calibra Bio4 Cement: Bioceramic Luting Cement. Self-repairing hydroxyapatite (HA) layer. For long lasting marginal integrity, naturally. Part of the complete Calibra family of cements.
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Related Products
1 VITA is a registered brand of VITA Zahnfabrik GmbH
2 Translucency measured on a white disc with haze meter. Internal data on file. For more information, contact Consumables-Data-Requests@dentsplysirona.com
3 For Canada only
4 Not available in every country; please contact your local Dentsply Sirona representative
