delivery systems (DDSs), consisting of a chair, unit,
and light; portable dental units; surgical table and
chair; and X-ray apparatus. For the chemical
disinfection of noncritical category items, use the
Disinfect the DDS at least daily.
Use disposable barriers since they reduce the
number of surfaces requiring disinfection.
Change paper or plastic headrest and bracket
tray covers after each patient. If headrest covers
are not available, disinfect the headrest after
Disinfect hand-operated controls, switches, and
handles after each patient.
Follow the manufacturers instructions when
disinfecting the lamp head and protective shield.
Flush HVE and saliva ejector tubing and
cuspidor weekly with a central evacuation
system cleaner. Use more often as needed.
Follow the manufacturers instructions.
Anesthetic cartridges for nonsurgical use should
be dispensed under unit dose guidelines to prevent
contamination of bulk supplies. Use only individual
dose dental carpules and discard them after use.
Always follow the manufacturers instructions. Since
disinfectants can diffuse through the diaphragm and
contaminate the anesthetic solution, do not store
cartridges in these agents.
Note: All noncritical category items require at
least intermediate-level disinfection as shown in table