In the preclinic we used water to irrigate and remove debris from the canal. What do we use to irrigate in the clinic?

sodium hypochlorite

What are the two occasions when root canals are dried with absorbent points?

1) when closing the tooth at the end of a visit

2) before placing root canal sealer into the root during canal obduration

True or False?

Cavit sets wet.

True

When deciding how to instrument the canal with a hand file, the general rule is __________ sizes higher than _______?

2-3 sizes higher than the first to bind

True or False?

You should close the tooth after removing the rubber dam.

False

- You should close the tooth prior to removing the rubber dam .

The obduration length is:

A. 1.5-2 mm short of the apex

B. 1.5-2 mm short of the working length

C. .5-1 mm short of the the working length

D. .5-1 mm short of the apex

C. .5-1 mm short of the the working length

- obduration length is the length at which the master gutta percha point is fitted and must have tug-back

What instrument(s) in the endo kit can be flamed or heated?

the Mortinson #2

(and other pluggers)

Lateral condensation with the finger spreaders should follow what color sequence?

black, blue, yellow

True or False:

Gutta percha should be fitted to the obduration length in a wet canal.

True

Which has memory: stainless steel or nickel titanium?

Which is used for rotary and which is used for hand files?

stainless steel has memory - use for hand files

NiTi does not have memory - used for rotary