Indications for use
• Cercon® ceram love is a ceramic veneering material developed specifically and exclusively for veneering zirconia (Y-TZP) crowns and bridges with a coefficient of thermal expansion of 10.5 μm/m·K (25–500 °C), preferably made of Cercon® base.
• For dental use only.

Technical specifications
• CTE dentine: 9.2 μm/m·K (25–500 °C)

Release date: May 2009

Transport and storage
• Liquids: Store containers tightly closed at temperatures above 10 °C.
• Protect powders and pastes from moisture.

Combinable liquids
• Paste liner: Paste opaque liquid
• Shoulders: Ducera® Liquid Quick,
• Dentine/incisal etc.: Ducera® Liquid SD, Ducera® Liquid Form
• Stains/glazes: Ducera® Liquid Stain improved
• Isolation: Ducera® Sep isolating fluid, Ducera® High Temp isolating fluid

Ceramic oven
For best results, make sure that the required firing temperatures and times are strictly observed. If necessary, adjust the firing parameters of the ceramic oven as required.

Names of important materials and explanations

Intensive Dentine (ID 0–4)
The intensive dentines are highly chromatic and fluorescent intensive for individual shade reproduction. All intensive dentines are used for shade support in the cervical, palatal and occlusal regions. They can be used as is or diluted with the dentines. When mixed with Stand-by, they also work well for mamelons.

Stand-by
Highly opalescent, almost transparent multifunctional material. Stand-by can be used by itself or mixed with all other materials within the Cercon ceram love system.

Opal Effect Sunrise/Opal Effect Sunset
Opalescent effect for yellow or orange/reddish incisal aspects. Very well suited for increasing chroma during the second or third dentine firing. Masses can be diluted using Stand-by.

Opal Effect Sky/Opal Effect Ocean
Opalescent effect for subdued as well as intense, deep blue incisal aspects; can be diluted using Stand-by.

Opal Effect Fog
Opalescent effect for grey incisal aspects; can be diluted using Stand-by.

White Surface
Whitish opalescent effect for emphasizing posterior cusps or anterior palatal/lingual ridges; can be diluted using Stand-by.

Flu Inside/Gray Inside (GI)
Fluorescent dentines (e.g. as modifiers for dentine Ceramic oven For best results, make sure that the required firing temperatures and times are strictly observed. If necessary, adjust the firing parameters of the ceramic oven as required.
– Flu Inside: They increase the luminescence of the veneer.
– Gray Inside (GI): GI dilutes the value of the framework shade, preventing the core from adversely affecting the aesthetic result. This material is denser, yielding perfect results even in thin layers. GI works well even when diluted with Stand-by.

Transparent Clear (TC)/Transparent Red (TR)
Transparents providing additional neutral or reddish transparency on tooth surfaces.

Liner Intensive Orange
Liner for additional characterization.

Add-On
Low-fusing transparent correction material; firing temperature 760 °C.

Modelling liquid
Ducera Liquid SD is the proven standard liquid for single-crown restorations.
Ducera Liquid Blend is a new modelling liquid ideally adapted for love ceramics. It is suitable for single crowns as well as for bridges, combining the characteristics of Ducera Liquid SD and Ducera Liquid Form.Ducera Liquid Blend has the advantage of excellent shaping properties and longer working times.
Ducera Liquid Form also adds stability and has been designed specifically for wide-range restorations.

Framework preparation
For balanced support and to ensure that uniform layers are applied, the zirconia frameworks must have been cut back to a reduced final anatomical shape. Minor corrections, such as marginal adjustments,  should be performed   sing fine-grained diamond instruments. To avoid tension in the Cercon® ceram love veneering material, any edges or corners of the frameworks must be rounded. To avoid microcracks, any grinding or cutting of the framework  should be performed using a high-speed motor and water-cooling. Keep the pressure on the framework material to a minimum in order not to overheat it. Frameworks with cracks or holes are unsuitable for further processing. The  zirconia frameworks are air-abraded with alumina (110 –125 μm, 3–3.5 bar). The frameworks are cleaned by steam or in a clean ultrasonic bath (Fig. 1).

Applying the liner
The Cercon® base structure is first prepared byapplying the liner. The liner gives the crown its basic shade and matches the appropriate V-Classicor V-3D-Shade. For the appropriate shade assignments, see Table 1+2. To prevent  egregation (components of the mixture coming apart), gently knead the tube before use. Applying two covering layer of the liner is essential for the standard build-up technique and for an accurate reproduction of the V-Classic- and   -3D-Shades both for non-coloured frameworks (Cercon base) and for coloured frameworks (Cercon base coloured) (Fig. 2).

Ceramic margins
• Cut back the crown margin by approximately 0.5–0.8 mm above the preparation margin.
• Air-abrade the internal surfaces (especially the margins) and the external surfaces of the framework coping as described above, then clean the framework using the steam cleaner.
• Mark the preparation margin using a graphite-free pencil, and seal it as usual, e.g. using an acrylic adhesive.
• Apply Ducera® High Temp isolation fluid. Allow the isolation liquid to air-dry and then apply a second layer.
• Mix the shoulder material (SM 1– 5) with Ducera Liquid Quick modelling liquid. Use the shoulder material to rebuild the cut-back crown margin. Apply the shoulder material to the coping in the cervical quarter (Fig. 8). Allow the  margins to dry, using a heat source if preferred, and fire as per the firing recommendations.
• The shrinkage during the first firing will be compensated for during the second shoulder firing. Minor corrections may be made using Final Shoulder (F SM 1– 5) following the glaze firing (Fig. 7–9).

Aesthetic Line Base
Highly aesthetic veneers can be created with dentines/enamels within a minimum of time. For the appropriate shade assignments see Table 1+2. Proceed as shown in Fig. 3–6. Start by building up the dentine core and then use  the cut technique to obtain room for the enamel layer. Rebuild the cut-back portion of the crown with enamel material. This is followed by the first dentine firing (see table 3). Complete the cutback area to the original contour using  the appropriate dentines and enamels. Follow this by the second dentine firing (see Table 3) and the finishing of the restoration. Finally, this is followed by the glaze firing (Table 3), allowing individual characterization using a large  selection of available stains/body ceramics. If no individual characterization is desired, the glaze firing can be performed using regular glaze material (Fig. 3 – 6).

Aesthetic Line Individual
With the individual layering technique, the intensive dentines and opal-effect porcelains allow you to create natural-looking and highly sophisticated restorations. The basic shade is determined by the liner. This step is followed by adding dentine, as customary (Fig. 10). After the cutback, complete the enamel area with the corresponding opal effect enamel and use e.g. Opal Effect Sky or Ocean (in the incisal areas) or OE Sunrise or Sunset (for the cervical  nd body areas) as supplements (Fig. 10 –15).

Cementing preparations
• Before final cementing, carefully air-abrade the internal surfaces of the zirconia copings using 50–110 μm alumina at a pressure of 2.5 bar. When using an adhesive cement, make sure to etch the parts of the restoration onsisting of Cercon® ceram love.

Further finishing after glaze firing
• If, following glaze firing, the Cercon® ceram love ceramic veneer needs to be adjusted (occlusion and/or contacts), the entire restoration should be subjected to another glaze firing. This will allow any structure damage to the  restoration surface to be sealed. When finishing a cemented restoration intra-orally, it is essential to re-polish all affected areas using a suitable rubber polishing stone or cup for ceramics.

The firing temperature must be adapted to the number of units fired in the same cycle. 5 to 9 units require an increase by 5 °C to 10 °C; 10 or more units require an increase by 10 °C to 20 °C.
The values listed here are intended for orientation only and should be regarded only as guidelines. Your firing results may differ. All firing results depend on the performance of the furnace used, which in turn depends on the make, model and age of the furnace. Therefore, the guideline values will have to be adapted individually for each firing. We recommend running a test firing cycle to evaluate the performance of the furnace used. We have compiled and  checked all values and other data with great care. However, we cannot under any circumstances be liable for your results.

 

 

Firing Recommendation

 

 

 Shade Matching Chart

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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