Dental Alloy - Indirect Restorations Flashcards
1
Q
Dental alloy or metal in dentistry?
A
Rarely are metals used in pure form - expect titanium
But titanium alloys also used
2
Q
What are common casting alloys?
A
Gold alloy, nickel chromium alloy, cobalt chromium alloy, titanium alloy
3
Q
What alloys used RPD?
A
Co-Cr, Ti alloy
Most common Co-Cr
4
Q
What alloys used for metal restorations?
A
Co-Cr, Ti alloy, gold
5
Q
What alloys are used for metal-ceramic restorations?
A
Bonding alloys e.g Co-Cr, Ti alloy, gold
Can be used for all metal restoration
6
Q
What is a desirable property of alloy?
A
Biocompatible Corrosion and tarnish resistant Optimum mechanical properties Bond to ceramic Aesthetic Cheap
7
Q
How to find table for properties of metals?
A
See RVC
8
Q
When are soft, medium, hard and extra-hard gold alloys used?
A
Soft - inlay
Medium - only
Hard - crown
Extra hard - crown, bridge, RPD
9
Q
What are non-precious metals?
A
Ni-Cr
Co-Cr
Ti
