Test #2-1 Flashcards
What are some common dental alloys
stainless steel, titanium, cobalt chromium, nickel chromium
What is the composition of stainless steel
iron, chromium, nickel, molybdenum, carbon
what are the uses of stainless steel
pediatric crowns, bands brackets wires, dental instruments
what 2 kinds of ortho wires are there
nickel titanium, super thermal elastic titanium
which ortho wire is the initial wire
nickel titanium
- which ortho wire utilizes memory and is temperature activated
super thermal elastic titanium
what is the composition of cobalt chromium
cobalt chromium nickel molybdenum carbon
what are the uses for cobalt chromium
- will tarnish in chlorine
partial denture frameworks
palatal portion of dentures
what is the composition of nickel chromium
nickel (80%)
chromium
aluminum, manganese
beryllium
what is the use for nickel-chromium
PFM
bridges
corrosion resistance
What is the composition of titanium
- most pure titanium
- alloys contain alumium, vanadium, nickel
what are the uses of titanium
implants, ortho wire, endo files
What is something imporant about titanium
memory
in occlusion what is stable
maxilla
Know occlusions
class I class II classIII
Know what the parts of ortho are
elastic tie wire power chain headgear tube molar band wire slots coil rubber band slots steel tie
What is passive ligation and passive self
elastic tied
flips over
what is a fan expander
-looks like retainer expands in the front but is hooked in the back
what is a schwarz appliance/transverse development
side to side
what is a ortho retainer for front to back development
saggital
What are thermoflexible restoration
partials that have white clasps, no metal
