Infectin control in dentistry

8/14/2019 Infectin control in dentistry

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INFECTION CONTROL

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Our

FieldBlo

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d Tray

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Syrin

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Instru

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Table

Bacte

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Virus

Dontforge

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CHAIN OF INFECTIONAll links must be connected for infection to take place

Pathogen

Source

ModeEntry

SusceptibleHost

(sufficient virulence& adequate numbers)

(allows pathogen tosurvive & multiply)

(of transmissionfrom source to host)

(portal that thepathogen can

enter the host)

(i.e., one that is not immune)

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DISINFECTION

Plastic instruments or any heat sensitive itemscontaminated by handling should be disinfected(by spray or immersion technique based on type

of item) after each use.

Examples:-Mixing spatula, Mixing bowl

Aim:-Incomplete destruction of lifesex. -destroying bacteria, fungi and yeast

-not the virus and their spores.

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DISINFECTING IMPRESSIONS

-:Many variables can affect impressionmaterials

1-Composition and concentration of disinfectants.2-Exposure time.

3-Physical/chemical properties ofmaterial/disinfectant.-:Methods Spraying, dipping, immersing

Steps:-

1-Clean and rinse impression.2-Cleaning efficiency improved by scrubbingimpression with brush.

3-Spray, dip, or immerse impression in disinfectant andplace in sealed bag.

4-After required contact time, rinse impression andpour-up.

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DISINFECTING IMPRESSIONS

PRAY TECHNIQUE

PING/IMMERSION TECHNIQUEClick to edit Master text stSecond l

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Heat sterilize all metal and heat-stable instruments

that contact oral tissues, contaminatedappliances, or potentially contaminated appliancesshould be heat sterilized after each use.

Aim:-

Complete destruction of all lifes form ofmicroorganismsIncluding:-

Bacteria, Virus & their spores, fungiand yeast.

STERILIZATIONS

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utoclave

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ity displacement (type "N)

Steam

Air

30AirWater

Solid unwrapped instruments

Positive pressuredisplacement

Modified (type "N)

SteamGenerat

or

Decreases autoclave cycle times

Heated

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ity displacement (type "N)S

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Steam

Steam

Generator

Vacuum

Pump

Air

Negative pressure, or vacuum

displacement

(type "S)

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larged negative pressure displacement autoclaves

(type "B)

refers to Big

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The Statim S-cycleCassette

Autoclave

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M3 ULTRAFASTCassette

Autoclave

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Cycle type N-cycle B-cycle S-cycle (Statim)

Materials thatcan besterilized

solid only solid/hollow solid/hollow

non-wrappedonly

multi-wrapped/non-wrapped

wrapped/non-wrapped

porous

Air removal forced pressure pulsed

25 minutes 45 minutes 6-9 minutes

Types of autoclave

The ideal sterilization cycle for the dental practice is one that canhandle both hollow and solid instruments, wrapped or unwrapped.

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eam Sterilization

-Dental handinstruments-Dental handpieces

STERILIZATIONS

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-Carbon steel instruments other than specified-Burs in blocks-Instrument kits and cassettes

-Dental hand instruments-Dental handpieces

ry Heat Sterilization

STERILIZATIONS

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Instruments to besterilizedBurs &Stones

Endodontic files

Hand

instruments (Cassette)

STERILIZATIONS

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ontra-Angle(Handpieces)

Should besterilized not

disinfected

STERILIZATIONS

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STERILIZATIONS

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*PROTECTION OF DHCW

Include:-1-Vaccination against common virus ex.

HBV ,T.B ,H1N1 & H1N5

2-Hand washing with plain or antimicrobialsoap.

3-Use effective Barriers:-a-Gloves

b-Maskc-Protective

eye wear

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*DHCW= Dental Health Care Wo

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GLOVES

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Remove gloves thatare torn, cut or punctured

Do not wash, disinfector sterilize gloves for reuse

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Fifth level

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Cleaning of the fieldS

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Cleaning of the field

rapping

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Cleaning instruments afterfinishing1-Ultrasonic cleaner

2-Instrument washer3-Washer-disinfector

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Fourth level Fifth level

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Storage of instrumentsS

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BE SURE

1-Any material used must be clean anddisinfected.2-Any material have to come in contact

with blood or saliva should besterilized after using.3-Dont reuse any disposable item.4-SHARP instruments should be

discarded in labeled a-puncture-resistant container.

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Common Errors in Dental

Clinic

Dont open faucet byinfected hand

Dont recap the needlewith your hand

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Common Errors inDental Clinic

Syring

e Sterilize

Wrapped

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Common Errors in DentalClinicS

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Save your life & yourpatient life

With minimum procedure &maximum protection

Remember, Its not theconditions,

It

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Infectin control in dentistry

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Transcript of Infectin control in dentistry