Contamination within the Dental Surgery Flashcards

1
Q

on which surfaces might blood be found on in the dental surgery?

A
  • 3 in 1 syringe button
  • tap handles
  • light handle
  • operating cast handles
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2
Q

what is the Spaulding Classification?

A

the Spaulding Classification puts medical devices into categories, depending on the risk associated

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3
Q

what is meant by critical classification? (spaulding)

A
  • high risk
  • items in contact with normally sterile body sites
  • require sterilisation
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4
Q

what is meant by semi-critical classification? (Spaulding)

A
  • medium risk
  • items in contact with intact mucous membranes
  • require high level disinfectant
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5
Q

what is meant by non-critical classification? (Spaulding)

A
  • low risk
  • items in contact with intact skin
  • low level disinfection
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6
Q

what is meant by minimal risk medical devices?

A

items not normally in contact with intact skin

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7
Q

what are examples of critical classification devices used in the dental surgery?

A
  • forceps

- periodontal scaler

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8
Q

what are examples of semi-critical classification devices used in the dental surgery?

A
  • dental hand piece
  • dental mirror
  • dental impression trays
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9
Q

what is an example of a non-critical classification device that is used in the dental surgery?

A

light curing device

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10
Q

what equipment would classify as minimal risk within the dental surgery?

A

dental chair

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11
Q

what is meant by Housekeeping Surfaces/Non-clinical surfaces within the dental surgery?

A

Surfaces not directly touched during dental treatment & these carry the lowest risk of disease transmission

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12
Q

what are examples of non-clinical/housekeeping surfaces found within the dental surgery?

A
  • walls
  • floor
  • sink
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13
Q

what is meant by clinical contact surfaces found within the dental surgery?

A

Surfaces contaminated from patient materials, either by direct spray or splatted generated during dental procedures or by contact with gloved hands of dental health care professional

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14
Q

what are examples of clinical contact surfaces found within the dental surgery?

A
  • dental light handles
  • bracket table
  • handles of cupboards/drawers
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15
Q

how long do the Influenza A/B viruses survive on steel & plastic?

A

24-48 hours

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16
Q

how long do the Influenza A/B viruses survive on cloth, paper & tissues for?

A

<8-12 hours

17
Q

how long can transmission of Influenza A/B viruses occur between virus on:

  • steel to hands
  • paper tissue to hands
  • hand to hand
A

Steel to hands = over 24 hours
Paper tissue to hands = 15 mins
Hand to hand = approx. 5 mins

18
Q

what are the EU detergent regulations in place?

A
  • wipes must be biodegradable
  • specific labelling requirements
  • provision of data
  • restriction on phosphates
19
Q

what are required for the physical removal of contamination?

A
  • time
  • water
  • mechanical action
  • temperature
  • detergency