12. Definition of disinfection, disinfection methods in dentistry

Question 1

1. Definition of disinfection

Answer 1

A physical and chemical procedure to reduce pathogenic microorganisms
- It is used when sterilization is not necessary or cannot be carried aout

Question 2

2. What are the materials used in disinfection?

Answer 2

◦ prosthetical appliances what we send to the dental laboratory
◦furniture of the dental office
◦dental chair
◦protective eyewear

Question 3

3. What are the 4 different disinfection methods?

Answer 3

◦Dental instrument disinfectants (blue)
◦Surface disinfectants (wipes, sprays) (green)
◦Saliva ejector and exhauster (aspiration) disinfectants (yellow)
◦ Hand disinfectants (red)

Question 4

4. How do we disinfect surfaces?

Answer 4

• Cleaning with disinfectant and a strong disposable tissue or gauze
• Disinfecting (sprayed surface , and the disinfectant left on the cleaned surface for at least 10 minutes)

Question 5

5. What are the daily cleaning orders?

Answer 5

1/ Disinfection of the handles, swiches
2/ At the start and the end of the day the desinfection of every horisontal surface is compulsory
3/ Cleaning the suctions
4/ Handpieces desinfection and blow through with water and oil
5/ Open the window in ever hour for 5 minutes
6/ Desinfection cleaning everywhere

Question 6

6. What are the weekly cleaning orders?

Answer 6

• Cleaning of the cupboards and cabinets seeable surfaces
• Drawers, reservoirs cleaning

Question 7

7. What are the monthly cleaning orders?

Answer 7

• The cleaning of every drawer and cupboard inner surfaces
• Check the disinfection and cleaning fluids expiration dates

Question 8

8. What are the yearly cleaning orders?

Answer 8

1/ Painting
2/ Checking the dental unit’s working and fix all the errors

Question 9

9. How do we disinfect impression?

Answer 9

• We have to disinfect the impression immediately after we removed them from the mouth
• In the laboratory the impression has to be disinfected again
• Only special disinfection fluids can be used for the disinfection of the impressions