Prosthodontics

Question 1

Nobel metals in dentistry

Answer 1

gold, platinum, palladium

Question 2

Gold qualities

Answer 2

resistant to corrosion/tarnish, strong, high ductility (stretch w/o breaking), biocompatible, coefficient of thermal expansion similar to tooth

Question 3

Gold disadvantages

Answer 3

expensive, high thermal conductivity, aesthetics, difficult to place,

Question 4

Chromium

Answer 4

lighter, corrosion resistant

Question 5

Cobalt

Answer 5

ridged, strong

Question 6

Nickle

Answer 6

allergen, not used as much

Question 7

titanium

Answer 7

implants, ortho, instruments -

elastic, biocompatible

Question 8

Stainless Steel

Answer 8

cheap, light, tarnish resistant

Question 9

Acrylic Resins

Answer 9

hard, brittle, glass polymer
chemical polymerization
used to simulate tissue

Question 10

Methyl methacrylate

Answer 10

most common acrylic

Question 11

Denture TEETH: Acrylic vs Porcelain

Answer 11

A =  bonded to acrylic base 
P = held in by mechanical undercuts/pins

Question 12

Denture BASE made of

Answer 12

acrylic

Question 13

Denture construction steps

Answer 13

impression > cast > custom tray > final impression > master cast