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