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The Market For Zirconia Dental Materials Is Further Expanded

時間:2018-07-11 コメント:10

The market for zirconia dental materials is further expanded

Zirconia ceramics have performance advantages over other dental materials.

The materials for dental restoration mainly include: resin, common alloy (nickel chromium, etc.), precious metal alloy (gold platinum, etc.) and ceramics (zirconia and alumina, etc.).

From the five dimensions of “Aesthetic, Biological performance, stability, mechanical properties and cost”, zirconia ceramic materials have many advantages over other materials.

Zirconia materials are widely used in dental restorations. At present, the main methods of dental restoration can be divided into the following three categories according to the degree of tooth damage:
(1) Inlay repair, suitable for partial damage of the teeth, filled with inlays to protect and repair the teeth. Commonly used inlay repair materials are mainly resin, metal and ceramics;
(2) Crown repair, suitable for teeth defects, or lesions, but the roots are still in the situation. Commonly used crown materials are alloys, porcelain and all-ceramic;
(3) Dental restoration, suitable for missing teeth, or extracted teeth.


Performance comparison of different dental materials


材料

美的

Biological performance

安定

Mechanical performance

コスト

Common alloy

貧しいです

貧しいです

より良いです

より良いです

最低

Precious metal alloy

貧しいです

ベスト

より良いです

より良いです

高くなる

樹脂

より良いです

より良いです

貧しいです

貧しいです

低くなる

Other ceramics

より良いです

より良いです

より良いです

貧しいです

高くなる

ジルコニア

ベスト

より良いです

ベスト

より良いです

高くなる

Some Vsmile dental zirconia block parameters

HappyZir for Full Contour

プロパティ

ユニット

HappyZir+Value

ISO Requirement

Bulk Density

グラム/ cm3

6.085〜6.095

≥ 6.00 (ISO 13356)

ZrO2 + HfO2 + Y2O3

%

> 99.5

> 99

ZrO2

%

91.6

N / A

Y2O3

%

5.9-6

4.5 - 6

HfO2

%

3

≤ 5

Al2O3

%

< 0.15

< 0.5

Other Oxides

%

< 0.2

< 0.5

Mean Linear Intercept Distance

ミクロン

0.25 ± 0.05

≤ 0.4 (ISO 13356)

Biaxial Flexure Strength

メガパスカル

1000 ± 100

≥500

CTE


10 x 10-6(25~900ºC)

N / A

Final Sintered Hardness

HV10

1200〜1300

N / A

Pre-Sintered Hardness

HV10

60〜70

N / A

半透明

1-CR%(1.0mm)

41〜45

N / A


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