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Custom Full Contour Zirconia Crowns And Bridges , Fixed Tooth Implant Abutment

ShenZhen Topway Dental Laboratory Co., Ltd
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ShenZhen Topway Dental Laboratory Co., Ltd
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-26985013

Custom Full Contour Zirconia Crowns And Bridges , Fixed Tooth Implant Abutment

Brand Name : Topway Dental Laboratory
Certification : US FDA,ISO 9001:2015,ISO 13485:2012
Place of Origin : China
MOQ : 1
Payment Terms : T/T, Paypal, , Western Union, MoneyGram
Supply Ability : 20000
Delivery Time : 3-4 days
Packaging Details : plastic box + plastic bag
Material : Zirconia
Transgingival : Any Design
Screw : Fixation
Biocom-patibility : Excellent
Type : Customed Implant Abutment
Corrosion Resistant : High
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Zirconia Dental Implants Crowns , Complete Dental Implants FDA



Abutment Material - Zirconia Physical properties


ZrO 2 adopts a monoclinic crystal structure at roomtemperature and transitions to tetrgonal and cubic structures at higher temperatures.



The volume expansion caused by the cubic to tetragonal to monoclinic transformation induces large stresses, and these stresses
cause ZrO 2 to crack upon cooling from high temperatures. When the ziconia is blended with some other oxides such as yttrium oxide (Y 2 O 3 , yttria), the tetrago-
nal and/or cubic phases are stabilized.



Even though different brands of zirconia can be chemically similar they are not necessarily the same.



Different brandsof zirconia ceramic are chemically similar, but once processed it can exhibit different mechanical and optical characteristics.



When working with zirconia there are differences in machinability (e.g. wet millingand dry milling) and in sintering (e.g. sintering temperature for Vita™ YZ-Cube is 1530°C; for Lava™frameworks is 1500°C; for Cercon™ is 1350°C).


What is different? In principle, there is pre-sintered zirconia and HIP zirconia available on the market.



The pre-sintered zirconia is milled and the material still has a soft, chalk-like consistency.


For full density, it is sintered again after milling.HIP material is milled in the fully sintered state.



Note that the processing parameters for pre-sintered zirconia affect its performance
attributes.



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