Sterilisation and disinfection questions

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Sterilisation and disinfection questions

Transcript of Sterilisation and disinfection questions

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Sterilisation and disinfection questions

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Sterilisation is the killing of all...?

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bacteria

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fungi

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spores

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virus

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Micro organisms

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Fungi from distilled water

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Streptococci – sore throat & caries

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Shapes of micro organisms

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Define the term “CROSS INFECTION CONTROL”

Discuss 3 methods used to prevent cross infection

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Cross infection control.....

THE PREVENTION OF TRANSFER OF MICRO-ORGANISMS FROM ONE PERSON TO ANOTHER

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3 forms of prevention are;

Use of disposable items

Disinfection

Sterilisation

Define each of these forms of prevention

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How should a scalpel be disposed of and why?

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scalpel

Carefully re-sheathed by dentist

Carefully handled by DN

Place immediately after use into the sharps bin

To prevent sharps injury

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A micro-organism capable of producing a disease is known as...

A) bacteriostatic

B) pathogenic

C) autoimmune

D) bactericidal

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pathogenic

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List five diseases DCP’s must be vaccinated against

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Vaccinations for DCP’s

Whooping cough Polio Diphtheria Hepatitis B MMR Influenza

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Types of waste in the surgery are:

Non Hazardous

Hazardous

Special waste

identify these

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Non hazardous waste

Items used in the surgery which have not been contaminated in the patients mouth

What could these items be?

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Hazardous waste

Items which have been contaminated from the patients mouth

What could these be?

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Special waste

Materials and equipment which cannot be placed in either non hazardous or hazardous waste

What could these be?

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Where would the following items be placed and why?

Lead foil from x-ray film packets?

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Special waste

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Empty glass local anaesthetic cartridge?

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Sharps bin

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Stock packaging

Empty box?

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Domestic waste

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Waste amalgam

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Amalgam safe pot/sludge drums

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Endodontic hand instruments

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Sharps bin

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Define the term “DISINFECTION”

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disinfection

The destruction of bacteria and fungi but not spores and some viruses

How is this achieved?

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Disinfection

Isopropyl alcohol wipes

Ultrasonic bath

Washer disinfector

Disinfection bath

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What do we know about these?

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Sharps injury

What should we do when this incident occurs?

OUCH!!

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Sharps injury

Stop immediately Remove glove Hold finger under running tap and

squeeze wound to encourage bleeding NEVER SUCK THE WOUND Cover with waterproof dressing Check patients medical history Contact Occupational Health for advice

and have patients details to hand Answer questions from occ health nurse

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Some dental products are sterilised industrially, how is this done?

What items do we know have been pre-sterilised?

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Industrial sterilisation – ethylene oxide gas

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Industrial sterilisation – gamma radiation

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Pre sterilised materials and equipment

Cotton wool rolls/pellets Needles Disposable scalpels Sutures Local anaesthetic solution Disposable syringes

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Disposable items

Expensive Would help in the control of infection Items available for use in the surgery

are .....?

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disposashields

offering barrier protection to those awkward handpiece assemblies. Furthermore, avoiding the use of chemical disinfectant may prolong the life of plastic coverings.

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T H E E N D