11. Hygiene zones in the dental office

Question 1

1. What are the 3 hygiene zones in the dental office?

Answer 1

1/ Treatment zone
2/ Outer treatment zone
3/ Remainder zone

Question 2

2. What are the characteristics of treatment zone?

Answer 2

‣ The highest level of hygiene must be applied
‣ 1 - 1.5m from the patient’s mouth
+) Where instruments and materials are placed
+) Bracket table and mobile cart
+) Surrounding worktop
‣ Unused materials and instruments out of this zone, they are covered
‣ Used materials stored here until the patient is dismissed

Question 3

3. What are the characteristics of outer treatment zone?

Answer 3

‣ Commonly used sites treated with high level of disinfectant between each patient
- Triple syringe
- Operating light
- Suction hoses
- Materials and containers

Question 4

4. What are the characteristics of remainder zone?

Answer 4

‣ Non-critical areas of surgery
‣ The blood and saliva never touch these areas
- Items for individual treatment procedures
- Instruments and materials should be confined to trays or covered areas