Restorative Dentistry Flashcards
How many revolutions does a slow hand piece do per minute?
40,000
How many revolution does a fast hand piece do per minute?
500,000
What should a pear shaped bur do?
Shapes and smooths restorations.
What should a fissure bur do?
Shape and outline a cavity
Name three different types of mandrels?
- Huey Mandrel
- Moore Mandrel
- Pinhead Mandrel
What is zinc oxide and eugenic used for?
It contains soothing qualities and may be used to like a restoration or may be used as temporary cement.
What is the chemical symbol for amalgam?
Hg
What are dentine pins used for?
Improves the retention of a restoration.
What do we use matrix systems for?
To prevent overhangs
Name two types of matrix systems?
- Siqveland
2. Tofflemire
What instrument would you use to remove supra gingival plaque and calculus?
Jacquette
How much phosphoric acid does acid etch contain?
33%