Op 2 - Pins and Slots Flashcards
(19 cards)
How to deal with loose pins?
Take the pin out!
Drill channel is __________ with external tooth surface
parallel
The ________ provides a flat floor in which to drill the pin channel with the channel drill
cove
T/F: The TMS Channel Drill fits in the slow speed handpiece
True
The channel drill in the slow speed
handpiece is aligned with the __________ of the tooth, adjacent to where the pin hole will be placed
outside
When placing a pin, make sure you know where the __________ is, so you don’t place the pin outside of the tooth!!
furcation
Place _____ pin per missing cusp
1
The closer the pins, the ___________ the stress
greater
Pins should not be closer than _____ mm
4 mm
What type of pin?
Less stress
Cemented pins
What type of pin?
Significant stress
Friction-retained pins
What type of pin?
Stress generated
Self-threaded pins
The greater the diameter and depth, the greater the _________
stress
The greater the bulk, the more the stress is ___________
dissipated
What dentin will not tolerate much stress?
Older dentin
Dehydrated dentin
Pin movement will create _________
stress
Do pins strengthen teeth?
NO
Do pins strengthen restorations?
NO
Do pins retain restorations?
YES
