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INFECTION CONTROL

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					INFECTION CONTROL
Continues to be the subject of
intensive research and debate.
Implementing safe and realistic
infection control procedures requires
the full compliance of the whole
dental team.
members of the dental team have a
duty to ensure that infection control
procedures are followed routinely.
Every practise must have a written
infection control policy.
Routine procedures
All dentists have a duty of care to
their patients to ensure adequate
infection control procedures are
followed.
The public is more aware now of the
need for dentists to practise good
infection control
   Infection control in dentistry
  Recommendations for infection control
  procedures:
1.   Training in infection control
  Training should equip staff to understand:
  How infections are transmitted
  The practise policy on decontamination
  and infection control
  What personal protection is required and
  when to use them
  What to do in the event of accident or
  personal injury.
2. Surgery design
   Clean an uncluttered
   Two distinct areas: one for the
   assistant and one for the operator
   Elbow or foot operated taps
   Clean and dirty areas within the
   surgery should be clearly defined.
3. ventilation
   Mechanical ventilation systems
   must be regularly cleaned, tested
   and maintained
4. Floor covering
   Floor covering should be impervious
   Seam free.
5.   Work surfaces
     Impervious
     Easy to clean

6.   Choice of equipment

7.   Water suppliers
     All water lines should be fitted with anti-
     retraction valves
     A bottled water system can help to control
     microbial contamination
  Decontamination of instruments
         and equipments
   All instruments contaminated with
   oral and body fluid must be
   thoroughly cleaned and sterilized.
   Three stages to decontamination
   process”
a. pre-sterilization cleaning
b. Sterilization
c. storage
   Pre-sterilization cleaning
Hand cloning
Ultrasonic cleaners
TESTING ULTRASONIC
     CLEANER
           Sterilization

Method of choice is autoclaving
Performed at the highest temp.
134-137 degrees Celsius for 3 mins.
Hot air ovens, ultra violet light,
boiling water and chemiclaves are
not recommended.
Effective sterilization depends on
steam condensing on all surfaces of
the instruments in the load to be
autoclaved.
The sterilization process is prevented
by air remaining in the chamber or
trapped in the load items.
Air is removed by :
Displaced downwards by steam or
By evacuating the air the air before
the steam is introduced into the
chamber. (vacuum-phase)
Wrapped instruments and
instruments in pouches must be
sterilized using a vacuum-phase
autoclave.
      1. DOWNWARDS
DISPLACEMENT AUTOCLAVES
Safety & Efficiency in numbers
STORAGE
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