Introduction Flashcards
1
Q
define a composite material
A
a material made up of different components which creates a material with much better properties than each component alone
2
Q
the 3 components of dental composite
A
- resin
- filler
- coupling agent
3
Q
camphorquinone is also present in dental composite. why?
A
to allow composite to be cured by visible light on the blue spectrum q
4
Q
what Kg of loading is the dental environment subject to?
A
6kg
5
Q
define fatigue
A
on/off cyclical forces
6
Q
what force intrudes the tooth?
A
1N
7
Q
at 15N the..
A
bone flexes and causes pain
8
Q
what are the pH fluctuations in the oral environment?
A
2-12
9
Q
define an alloy
A
a blend of 2 or more metals to give better strength
10
Q
name the 4 mechanical forces?
A
- tensile
- compressive
- diametral tensile
- flexural
