Shenzhen Yurucheng Dental Materials Co., Ltd
Professional dental zirconia blocks manufacturer
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YUCERA ultra translucent zirconia UT multilayer dental zirconia disc for porcelain teeth
Sintering
Every batch of zirconia block has gone though a completely sintering test. The sintering methods have a great impact on blocks’ properties, such as translucency, dyeing results, strength, hardness and ageing resistance, which will affect the blocks’ final stability. Therefore, please follow the sintering curve of it.
The translucency of restorations is closely related to sintering temperature and regular maintenance of sintering furnace. Please follow the below temperature chart.
To achieve expected quality, the sintering curves must be followed.
Note: please employ high-temperature furnace specially designed for denture manufacturing. It is good for ceramics sintering to prolong heating up time and cooling time properly.
1. Sintering preparation: Make sure there is enough sintering space to avoid deformation. After dyeing, the restoration must be dried. Do not heat up too quickly for it might result in cracks. Make sure the dust-proof cover is put on the crucible to keep impurity away from restorations
2. After sintering: Following the instruction to lower temperature and take out restorations. Do not reduce furnace temperature too quickly to avoid cracks.
3.The highest temperature: the highest temperature will affect the translucency and dyeing results. Make sure the accurate temperature of every step. Sinter and preserve heat according to the instruction.
Zirconia Block Introduction
Yucera zirconia block has high strength, excellent permeability and color aesthetic repair effect that suitable for CAD/CAM system and manual system.
Product Features
Safety:No irritation,No corrosion,Good bio-compatibility
Beauty:Natural teeth color can be reproduced
Comfortability:Low thermal conductivity,hot and cold changes do not stimulte the pulp
Durability:Over 1600MPa perturbed strength, durable and useful
| SHT/UT/3D multilayer Sintering Curve | ||||
| Sintering step | Start Temperature(℃) | End Temperature(℃) | Time(Min) | Rate(℃/Min) |
| Step 1 | 20 | 900 | 90 | 9.7 |
| Step 2 | 900 | 900 | 30 | 0 |
| Step 3 | 900 | 1500 | 180 | 3.3 |
| Step 4 | 1500 | 15 | 120 | 0 |
| Step 5 | 1500 | 800 | 60 | -11.6 |
| Step 6 | 800 | natural cooling 20 | 120 | -6.5 |
UT Multilayer Color Zirconia Block
*Pre-shaded technics
*uniform color
*without post deying process
*suitable for full contour crown,brige and anterior
Indications: Crown, Inlay, Onlay, 2-5 unit Bridges, Anterior
