>Yamamoto Precious Metal Co., Ltd.

ZEO CE LIGHT

Opaque

Q1.	How to use Super Opaque and Shade Opaque?
Q2.	Bubbles and cracking are found after firing opaque?
Q3.	Is bonding strength of Super Opaque affected due to differences in firing temperatures?
Q4.	Are Opaque products of other companies also affected by differences in firing temperatures?

Adjusting Porcelain

Q1.	When VSP is used for A1 shade, red color remained a little. Can it be relieved?
Q2.	What is the difference between normal Dentine and VD?
Q3.	How should I use VD? What is the difference between VD and VSP?
Q4.	VD is produced in accordance with the general shade guide. How close is the color of VD to general shade?

ZEO CE LIGHT series

Q1.	After firing, the material seems to turn yellow. Why?
Q2.	Does using a metallic spatula to mix porcelain have any effect on color after firing?
Q3.	Stain can be used for both internal layers and the outer surface, but why is the firing temperature different?
Q4.	How can I express Noritake’s Cervical CV-1 to CV-4?

Body Porcelain

Q1.	In case of collarless (margin porcelain), the margin part was shrunk after glazing.How can it be repaired?
Q2.	When using Opaque Dentine porcelain for the mucous membrane part of pontic in bridge case, the color of cervical part is different from that of the adjacent teeth, which are abutment teeth, because of the high transparency of ZEO CE LIGHT. Are there any solutions?
Q3.	Opacification was found after firing.
Q4.	When should we use ZEO CE LIGHT A0 or B0 shade?

Modeling Liquid

Q1.	Is there any problem of blending ZEO CE LIGHT with modeling liquids made by other companies?
Q2.	Blended modeling liquids made by other companies with ZEO CE LIGHT, and we formed a bridge, then carried out firing; however, cracks occurred at the connection area. Why did this happen?

Others

Q1.	Are conditions of firing different depending on types of porcelain furnace?
Q2.	Is there a difference between the indicated temperature and the inside temperature of a porcelain furnace?

Support

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Saturdays, Sundays, public holidays,during the year-end or
New Year holidays or company holidays after the following business day.