improper placement of a wedge can result in what kind of problems?
2 answers
cupping
and
overhang
what instrument is used to invert the dental dam into the sulcus?
PFI
during decontamination, after a class II amalgam restoration, the matrix band used should be....?
A: thrown away in the biohazards bin
B: thrown in the sharp's container
C: Recycled
D: Autoclaved
B: Thrown in the sharps container
true or false?
a mylar strip is the best method for a class II amalgam restoration?
false
-tofflemire and wedge
would a matrix system be needed for a class V restoration?
NO, things like Tofflemire's and mylar strips are used when restoring a missing wall
______ is the tooth the dental dam clamp will be placed on? and what size of punch should be used ?
anchor tooth
size 6 punch
what part of the clamp encircles the tooth?
the jaws
when restoring a class III cavity on tooth number 5, what matrix system would be used? if any?
mylar strip
false the smaller circumference goes towards the gingival 1/3rd area
What is the difference between the forceps and the punch?
forceps are for placing the clamp
and the punch is for punching the holes in the dental dam material
besides a dental dam and a Tofflemire, what other matrix systems are used?
T-band system
and automatrix system
what else could you use as a wedjet? if one is not available?
cut a piece of the dental dam off
The retainer of the Tofflemire is placed on what surface of the tooth?
Always on the buccal
TRUE OR FALSE
the size of the hole punch for tooth #13 would be size 3 if you were punching for a quadrant.
True, premolars are punched at a size 3
why does the clamp need to be ligated?
incase of the rare chance it were to get dislodged and would need to be retrieved
what is a universal retainer?
Tofflemire
The _______ is necessary to stabilize and stretch the dam, so it can fit tightly around the teeth but remain out of the operator’s way.
the (Young's)frame
A class ____ amalgam restoration would need the use of a tofflemire and a dental dam?
classII
TRUE OR FALSE?
An anterior matrix system is also referred to as a Tofflemire.
False,
mylar strips
(think operative) if you were working on tooth #16
how would you punch those holes on a dam
specifically what size of hole for each tooth?
#16= size 5 punch (clamp)
#15= size 4 punch
a retainerless matrix system that allows for easy and comfortable placement of restorative materials in posterior cavities especially those involving proximal surfaces without the need for bulky retainers
Auto Matrix
name the 2 kinds of dental dam clamps
winged and wingless
two-part question worth double!
What instrument is used to prepare a matrix bad before placing the band into the_____ of the Tofflemire?
Burnisher
diagonal slot
TRUE OR FALSE?
Dental dams are used so the assistant doesnt have to suction so much with the HVE
FALSE!
The primary use of a dental dam in dentistry is to isolate the tooth being treated from saliva and other oral fluids, creating a dry, clean, and sterile environment for dental work.
Mylar strips are used on class ____ and class____ restorations
class III and IV