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DENTREX DENTAL ALLOY CHART
Multi-Purpose Alloys For Low Fusing Porcelain & Pressing |
|
Alloy Type |
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|
|
Precious Metal Content % |
Melting Range |
Casting Temp. |
Density |
|
Application |
Type |
Color |
Au |
Pt |
Pd |
Ag |
°F |
°C |
°F |
°C |
g/cm3 |
|
ESTHETIC 73 |
5, 6, 10 |
|
YELLOW |
73 |
1.6 |
5.8 |
16 |
1795-1960 |
980-1070 |
2280 |
1250 |
15.7 |
|
ESTHETIC 55 |
5, 6, 10 |
|
YELLOW |
55 |
11.65 |
3 |
23 |
1725-1975 |
940-1080 |
2245 |
1230 |
14.7 |
|
ESTHETIC 40 |
5, 6, 10 |
|
WHITE |
- |
- |
39.9 |
52 |
1958-2084 |
1070-1140 |
2282 |
1250 |
10.6 |
|
Alloy Type |
Proof Stress (PSI) |
Tensile Strength (PSI) |
Elongation % |
Vickers Hardness (DPH) |
Laser Wire |
PRE |
POST |
|
Soft |
Hard |
Soft |
Hard |
Soft |
Hard |
Soft |
Hard |
|
|
|
|
ESTHETIC 73 |
81,200 |
95,600 |
108,700 |
104,400 |
3 |
5 |
260 |
130 |
LW573 |
760 |
720 |
|
ESTHETIC 55 |
66,700 |
58,000 |
88,500 |
82,600 |
4 |
6 |
- |
180 |
LW555 |
760 |
720 |
|
ESTHETIC 40 |
86,300 |
41,300 |
114,500 |
81,200 |
6 |
18 |
270 |
160 |
LW540 |
600 |
720 |
|
Alloy Type |
Recommended Investment |
Burn-out Temp. & 1 hr hold time
+10 min. for each add. ring |
Heat Treatment for 5 min. & bench cool |
|
|
°F |
°C |
°F |
°C |
|
ESTHETIC 73 |
Phosphate Bonded |
1300 |
704 |
1200-1470 |
650-800 |
|
ESTHETIC 55 |
Phosphate Bonded |
1300 |
704 |
1200-1470 |
650-800 |
|
ESTHETIC 40 |
Phosphate Bonded |
1450 |
788 |
1200-1472 |
649-800 |
|
Alloy Type |
Degassing in Air or Otherwise Specified |
Co-Eff. of Thermal Expansion |
|
|
25-500 °C |
25-600 °C |
|
ESTHETIC 73 |
2 min. hold Blast-off oxide |
16.3 |
16.8 |
|
ESTHETIC 55 |
2 min. hold Blast-off oxide |
16.3 |
16.6 |
|
ESTHETIC 40 |
3 min. hold |
16.6 |
16.7 |
| APPLICATION: |
| 1. Single-surface soft inlays. |
| 2. Two-surface medium hard inlays M.O.D., and 3/4 crowns. |
| 3. Full crowns, 3/4 crowns, M.O.D., bridge abutments and pontics, cat post, inlays, short and long-span bridges. |
| 4. Heavy stress restorations: short and long-span bridges, implant over-structures, and cast partils. |
| 5. Porcelain application: single unites, and short-span bridges. |
| 6. Porcelain application: single-unites, hort, and long-span bridges. |
| 7. Porcelain application: recommended for imlant over-structures. |
| 8. Especially compatible with Vita porcelain. |
| 9. Non-greening porcelains or non-greening liquids are recommended. |
| 10. Recommended for high expansion, low fusing porcelains. |
| 11. Porcelain application: very thin margins and Maryland bridges; designed for North American porcelains, ie. Ceramco II, Crystar. |
| 12. Porcelain application: very thing margins and Maryland bridges; designed for European and Vita-type porcelains. |
| 13. Single anterior units with fuyll porcelain coverage. |
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