1. Outstanding Resistance to Fractures:

The coefficient of thermal expansion of Cerabien is extremely stable. It is almost entirely unaffected by repeated baking even if the cooling rate varies. Therefore, it reduces the risk of fractures to the same degree as Noritake Super Porcelain EX-3.

2. Outstanding Resistance to Chipping:

Cerabien has an outstanding resistance to chipping and cracking during grinding for morphological corrections because it has special kind of filler.

3. Reproduction of the natural color shades:

i） Warm and life-like restorations can be realized without the excessive grayness of ordinary all-ceramic crowns.
ii） Its excellent chroma and value are the result of the perfect balance between Alumina framework and porcelain so that a very natural appearance is easily realized.
iii） Cerabien has an ideal fluorescence.

4.Excellent compatibility and bonding with alumina framework

Mechanical Properties
Coefficient of thermal expansion （50−500°C 10-6K-1）
Cerabien CZR Super Porcelain EX-3 6.8 9.1 12.4

The thermal expansion of Cerabien is entirely different from those of other porcelains. Therefore, mixing or using with other porcelains is not recommended.

1. Margin Porcelain 1st and 2nd Bake 2. Shade Base Porcelain 1 and 2nd Bake 3. Body and Enamel (and Translucent) Bake 4. Internal Live Stain 1 and 2nd Bake *96kPa=72BHN(29inchesHN)

5. Translucent Overlay Bake and Minor Adjustments 6. Self Glaze 7. Glazing Powder and External Stain Bake 8. MRP and Add-on Bake

	Making a framework Suitable for Margin Porcelain Application
	Margin application increases the translucency of the cervical area considerably. A much more natural appearance can be achieved. Also, it may be used to make repairs on the margin area of the framework. The preparation must be chamfer-type with a well-rounded internal angle. Do not attempt to make a framework for a shoulder preparation; the PROCERAｨ scanner cannot read a sharp internal angle. The scanner will read the corner as if it were rounded, leaving a gap between the framework and the tooth. If one were to put margin porcelain on such a framework, the fit will be poor.
	Laboratory Methods for frameworks
	Technique I. Cutback with a diamond bur. Use a diamond bur to reduce the margin of the framework. Use water to avoid excess temperatures. Sandblast with 50 micron alumina at 0.3 MPa (40 psi). Caution: excess pressure, coarse diamond burs and high speed grinding all lead to chipping and fractures. In this case, making the framework is the same as in the no-margin-porcelain case. Technique II. Scan a reduced duplicate die. 　Take an impression of the die and make a die stone duplicate. To make a reduced framework that leaves enough space for the margin porcelain, trim the duplicate die margin excessively to create a new "false" margin line. (The "false" margin should be shifted radially inward by an amount equal to the desired thickness of margin porcelain.) Scanning the "false" margin die gives you a framework "already cut-back" for the margin porcelain. In this case, the Scanning Technician follows the same procedures as in the no-margin-porcelain case. Technique III. Make a reduced coping from a normal die by data manipulation. Scan the normally trimmed die as usual. First choose the margin line as usual. Then adjust the margin line in the area in which margin porcelain is to be applied by running PREPARATIONS/SET MARGIN LINE again. In that area, mark a new margin line that leaves enough space for the desired thickness of margin porcelain. 　In this case, the responsibility for the framework reduction lies entirely with the Scanning Technician.
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