Duceram® Kiss
Indications for use

http://www.kiss-ceramics.com/default.htm

Salloum Trade on facebook

General firing recommendations

• Duceram Kiss is a veneering porcelain specifi cally intended for veneering crown and bridge frameworks made of dental alloys with a CTE range 13,8–15,4 μm/m·K (25–600 °C).
• Use only with alloys with a solidus temperature of at least 1030 °C
• For dental use only

Technical data
• CTE dentine: 13,0 μm/m·K (25–600 °C)
• Dental ceramics, type 1, class 2–8 according to DIN EN ISO 6872

Alloy selection
• Duceram Kiss is compatible with high-gold and reduced-gold alloys as well as non-precious alloys.
Ask the alloy manufacturer about the alloy’s composition and coeffi cient of thermal expansion.
If the cooling times (below) are observed, bonding alloys with a CTE of 13,8–15,4 μm/m · K (25–600 °C) can be recommended.

Contraindicated < 13,8
No tempering/long-term cooling 13,8 to 14,5
3 min. tempering/long-term cooling 14,6 to 15,4

Contraindicated > 15,4
Duceram Kiss does not discolour on alloys containing silver. Nevertheless, it is recommended to clean the ceramic ovens and all carriers regularly.

Market launch: March 2004

Combinable Liquids
• Bonder/Powder Opaques:
Ducera® Liquid B
Ducera® Liquid OCL universal
• Paste liner:
Paste opaque liquid
• Shoulder porcelain:
Ducera® Liquid Quick
• Dentines/Incisals, etc.:
Ducera® Liquid SD
Ducera® Liquid Form
• Stain/Glaze:
Ducera® Liquid Stain improved
• Isolating Fluid:
Ducera® Sep Isolating Fluid
Ceramic furnace
For best results, make sure that the required firing
temperatures and times are observed strictly.
If necessary, adjust the firing parameters of the
ceramic furnace as required.

Names/Explanations of important materials

Power Chroma (PC 1– 6)
The Power Chromas are highly chromatic, fluorescent and intensive powders for individual shade adjustments. The power chromas can be used to increase the chroma in the cervical, palatal, and occlusal areas. The powders can be used pure or in a 1:1-mixture. By mixing the Power Chromas with Stand by you can create an excellent mamelon dentine. The shade conversion chart is meant as a guidance.

Stand by
Strongly opalescent, almost transparent multi functional powder. It is possible to use Stand by pure or to mix it with all other powders of the Kiss concept. Hence the Stand by powder has a key function.

Opal Effekt Sunrise/Opal Effekt Sunset
Opalescent effect powder for yellow as well orange/ reddish incisal areas. Very well suited for increasing the chroma at the 2nd or 3rd dentine firings. Sunset is mainly used for A-shades, whereas Sunrise is used mainly for B-shades. Both powders can be diluted by using Stand by.
Opal Effekt Sky/Opal Effekt Ocean
Opalescent effect powders for discreet and for strong, deep blue incisal areas – can be diluted by using Stand by.
Opal Effekt Fog
Opalescent effect powder for grayish incisal areas – can be diluted by using Stand by.

White Surface
Whitish opalescent effect powder to enhance occlusal cusps in the posterior region as well as for palatal / lingual ridges in the anterior area – can be diluted by using Stand by.

Final Kiss
Low-fusing, transparent correction powder (Final Kiss) – firing temperature 880 °C.

Framework preparation
The framework should be designed in a small anatomic shape for supporting the porcelain and to ensure an even layering thickness of the veneering material.
Use only cross-cut tungsten-carbide cutters to finish the framework. The use of chip-removing tools is recommended. Using stones invariably leads to microscopic overlaps, which in turn will lead to bubble formation in the ceramic veneering material. This is particularly true of soft alloys (copper-free and palladium- free biological alloys).
After finishing with tungsten-carbide cutters, unless otherwise recommended by the alloy manufacturer, sandblast the metal frameworks with alumina (100–150 μm) at a pressure of 2 bars (non-precious alloys: up to 4 bars and 250 μm alumina). To avoid tensions in the Duceram Kiss veneering porcelain, it is necessary to round off any sharp corners and edges of the frame. Then the frameworks are cleaned by steam or in a clean ultrasonic bath (see fi g. 1–4).

Soldering and laser-welding
For soldering and laser-welding metal frameworks, follow the comprehensive instructions and notes of the alloy manufacturer. e f Applying the opaque
The Duceram Kiss powder opaques cover the framework in a layer of uniform thickness in the basic colour selected. Two opaque firings are recommended both for the paste and for the powder opaque.
When using alloys with a low meldint range (copperfree and palladium-free alloys such as BiOcclus HT) the first firing should be the neutral paste instead of the first opaque. When the neutral paste os used, the temperature for the first opaque firing is reduced to 910 °C (or to 900 °C if the firing time is increased by 1 min). This serves to avoid distortion of the metal framework. The neutral paste is not suitable for veneering non-precious frameworks.

The Duceram Kiss paste opaque and the neutral paste can be applied easily with a standard paste opaque brush, without diluting. If the paste changes its consistency over time and becomes less easy to apply, the original  consistency may be restored by adding a small quantity of paste opaque liquid.
Alternatively, the framework may be coated with a very thin paste opaque liquid layer.
Caution: Use only very small quantities of paste opaque liquid. Using too much paste opaque liquid may result in cracks and bubbles during opaque firing. The powder opaque is mixed with the Ducera OCL universal liquid (see fi g. 5–6). For processing non-precious alloys the application of the NE-Bonder is recommended.
The NE-Bonder is mixed with Ducera® Liquid B or Ducera® Liquid OCL universal and applied to the framework in a uniform semi-covering layer. Then the NE-Bonder is fi red at 980 °C, which ensures that it is sintered to the  framework in a homogeneous fashion and the subsequent vitrifi cation is performed in a uniform manner. This in turn ensures that the non-precious alloy bonds securely to the ceramic veneer. Please also observe the processing parameters for firing, which are specially adjusted to non-precious alloys (see http://www.kiss-ceramics.com/ Druckschriften/DuceramKiss.pdf). g h i Aesthetic Line Basic In the standard layering technique (opaque/dentine/
incisal), highly aesthetic veneers can be created within a minimum of time. Start by building up the dentine core and then use the cut-back technique to obtain room for the incisal layer. Rebuild the cut-back portion of the crown with incisal material. This is followed by the first dentine firing (see table 2, 3). Complete to the original contour using the appro priate dentines and incisals. This is followed by the second dentine firing (see table 2, 3) and the finishing of the restoration. Finally, this is followed by  the glaze firing (see table 2, 3), which may be performed with or without glaze or Duceram Kiss stains for special tooth characteristics (see fig. 7–9). j k l Ceramic shoulder
• When creating a ceramic shoulder, use a carbide bur to reduce the crown margin so it ends 0,5–0,8 mm above the lowest part of the chamfer or ledge. Also, ensure that the crown margin tapers off softly to avoid tension in the  ceramic material. • Sandblast the framework inside (especially the margin) and outside carefully, as described initially, and afterwards clean the framework (steam-cleaner).
• Mark the preparation border with a graphite-free pencil and seal die as usual, e.g. with superglue.
• Apply Ducera-Sep ceramic insulation generously. Expose the insulation to the air and apply a second layer.
• Mix the shoulder margin material (SM 1–5) with the SD Quick modelling liquid. Afterwards complete the margin area by using the shoulder margin porcelain. Apply the margin porcelain in the cervical quarter. Let the material dry, maybe by using a heat source, and lift the coping carefully from the die. Bake the shoulder margin after the recommendation.
• The gap created by the shrinkage of the ceramic can be complemented by a second fi ring or after the glaze by using the fi nal shoulder margin materials (F-SM 1–5) (see fi g. 10–12). m n o p q r Aesthetic Line Individual
With the individual layering technique, the power chroma and opal effect powders allow you to create natural-looking and highly sophisticated restorations. With the Power Chromas, you can first line the framework with a highly chromatic, fluorescent basic layer for individual tooth shade characteristics. This is followed by building up dentine layer, as usual.
After the cutback, complete the incisal 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 and body areas) as supplements

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 tempering phase must be omitted for all non-precious alloys with a CTE value of 14.2 μm/m·K (25–600 °C) or less. Stress relief cooling down to base temperature should be performed independent of the CTE value. Please also follow the alloy manufacturers’ recommendations. To compensate for the low thermal conductivity of non-precious alloys, it is recommended to increase the firing temperature or to extend the firing time for all bridges spanning more than five units.
The values indicated here are recommended values and serve only as a clue. Deviations of the burning results are possible. The burning results depend on the respective output per oven and are due to the manufacturer and to age. Therefore the recommended values must be individually adapted at each burning. We recommend a test burning to control the oven. All indications have been carefully elaborated and tested by us, but they are passed on without any guarantee.