Introduction
Dental casting Gold alloys are widely used in dentistry for restoration of carious teeth. These alloys are mainly composed of gold, platinum, palladium and silver.
 

Ty
pe

Alloy
Compositon(%)
Pd
free
Cu
free
Ag
free
Application
Color
ISO
Au
Pt
Pd
Ag
A
B
C
D
E

C
a
s
t
i
n
g


A
l
l
o
y

 

I
86.1
0.2
0.7
8.6
Rich Yellow
1562
83.0
0.3
0.7
7.5
Rich Yellow
1562
II
77.0
2.0
12.9
Yellow
1562
III
75.0
3.0
13.9
V
Yellow
1562
73.5
2.0
-
13.9
Yellow
1562
63.0
3.0
24.6
Yellow
8891
53.0
4.5
24.5
Light Yellow
8891
50.0
4.5
28.5
     
Light Yellow
8891
47.0
4.0
38.9
     
Light Yellow
8891
46.0
6.0
38.5
     
Light Yellow
8891
42.0
7.5
29.0
     
Light Yellow
8891
40.0
3.7
47.0
     
Light Yellow
8891
28.5
8.0
59.5
 
V
 
Light Yellow
8891
5.0
23.4
67.9
 
V
 
White
8891
2.0
24.9
69.4
 
V
 
White
8891
IV
68.5
6.5
13.6
     
Yellow
8891
55.0
4.0
25.0
     
LightzYellow
8891

 

C
e
r
a
m
i
c


A
l
l
o
y

 

P
F
M
90.0
6.0
2.3
0.6
 
V
 
Rich Yellow
9693
87.9
4.0
6.0
1.0
 
V
 
Yellow
9693
86.0
10.5
0.8
V
V
 
Rich Yellow
9693
85.5
10.4
1.0
0.7
 
 
Yellow
9693
84.9
6.7
5.2
1.6
 
 
Yellow
9693
75.0
12.3
10.5
 
V
 
White
9693
1.8
76.2
 
V
White
9693
53.4
37.5
 
V
 
White
9693
A: Inlay,Onlay  B: Single Crown   C: Short-span Bridge   D: Long-Span Bridge   E: Partial Denture, Clasps