DMS summary - temporary materials Flashcards
1
Q
What are properties of ideal provisional materials
A
Non irritant Low temp rise during setting Dimensionally stable Good working time Adequate strength and wear resistance Good aesthetics
2
Q
What are the two types of temporary crowns
A
custom formed
pre formed
3
Q
What are types of preformed crowns
A
tooth coloured
metal
4
Q
What are the types of tooth coloured provisional crowns
A
polycarbonate
clear plastic crown forms that are filled with composite
5
Q
What are the types of metal preformed crowns
A
aluminium
stainless steel
6
Q
What are disadvantages of preformed crowns
A
Fit not so good
Large bank of crowns needed
7
Q
What are advantages of preformed crowns
A
Good for when px hasnt had an impression taken pre tooth prep e.g trauma
8
Q
What is protemp
A
bisacrylic composite
9
Q
What is tempbond
A
non-eugenol temporary cement material
10
Q
What is directa
A
polycarbonate preformed crowns
