SECTION 6
INSTRUMENTS USED FOR RUBBER DAM PLACEMENT
A rubber dam is a thin sheet of material that is used to isolate the desired tooth or teeth to:
- aid moisture control
- protect the patient’s airway
- aid operator visibility and access
- reduce aerosols caused by the air turbine handpiece
- provide patient comfort by reducing the amount of water and materials in the mouth
FIGURE 6.1a, b
Name
Rubber dam punch
Functions
- Used to perforate the rubber dam material with holes of various sizes corresponding to the size of the tooth to be isolated
- Size and position of the teeth to be isolated determines the orientation of the punched holes
- Punch stylus pierces a hole in the rubber dam sheet
- When the handle of the rubber dam punch is closed, the punch stylus meets the punch plate, which has serrated edges, to create a ‘clean’ punch
Varieties
- Available in various styles depending on the manufacturer
- In some styles, the punch stylus and plate can be replaced when they become dull (according to the manufacturer’s specifications)
FIGURE 6.2a, b, c
Name
Rubber dam clamps
Functions and parts
- Used to stabilise and secure the rubber dam sheet during treatment
- Usually made from chrome- or nickel-plated steel – autoclavable
- Bow – rounds over the tooth. Varies between clamps and is flexible so that the />