Exam 2: Class II Slot Preps-Quick & Dirty Flashcards
Slot preps are great because they are ______ invasive.
minimally
Slot preps are for _______ caries with NO involvement of the _______ pits & fissures.
proximal….occlusal
Increased _______ of amalgam over the years allows us for more conservative preps. Thanks dental materials research!
strength
The _______ the isthmus the GREATER fracture potential.
larger
The Facial, lingual, & gingival extensions of a slot prep just break through the contact to give ___mm. Which allows room for the matrix band.
0.5mm
Its EXTREMELY critical to have _______ facial and lingual walls on our slot prep.
converging
Retention grooves on our slot prep are made by a ______ bur.
1/4 round bur
The axial wall is ___mm into the DEJ and ______ to the DEJ.
0.5mm and parallel
Retention grooves are an EXTENSION of the ______ wall. This keeps us out of harms way from the ______ of the tooth.
axial…pulp
What are the 4 essential burs for our slot prep?
34D, 330C, 330D, 245C
Define the box area based on ____ degree angle of departure…A _______ line on a circle based on our extension point.
90 degree…tangent
Axial extension of box-___mm for PM & ___-___mm for molars.
1mm for PM….1.2-1.5mm for molars
After we have opened her up with the 34D, what two burs are recommended for finishing the walls? What is a unique characteristic of each?
330D-flat bottom….245C-rounded bottom
After smoothing the walls with our 330D or 245C, there will be enamel ____ on the F and L walls. You can remove them with your _____.
spurs…#10 hatchet (OR fine diamond!!) (HOE on MAXillary?)
Dr. H actually prefers using a ____ bur for the lingual (&F?) retention grooves. Thanks for telling us.
132F-diamond
