Figure 4-16.Parts of an aspirating syringe.
Figure 4-17.Different gauges and lengths of aspirating
Rubber Dam Punch
The rubber dam punch is used to make necessary
spaced holes in the rubber dam material. The working
end is designed with a plunger on one side and a wheel
on the other side (fig. 4-19). This wheel has different
sized holes on the flat surface facing the plunger.
These features let the operator select and adjust the
Figure 4-18.Parts of the aspirating syringe needle.
wheel to punch the desired diameter hole in the rubber
Figure 4-19 also illustrates the recommended
holes on the wheel to use. The largest hole is used on
the tooth that your clamp will go on. The last five
remaining holes correspond to the teeth that are
included in the isolation.
Rubber Dam Clamps
After the required number of holes are punched in
the rubber dam, it is stretched to fit over each designed
tooth. To maintain a snug fit around the neck of the