National Dental Assisting Examining Board (NDAEB) Practice Exam

What is a key purpose of using a scavenger system in a dental office?

1. To enhance patient comfort

2. To prevent the release of nitrous oxide

3. To provide immediate patient sedation

4. To manage patient anxiety

The correct answer is: To prevent the release of nitrous oxide

A key purpose of using a scavenger system in a dental office is to prevent the release of nitrous oxide. Nitrous oxide is commonly used for sedation in dental procedures, but its uncontrolled release can have adverse effects on both patients and dental staff. A scavenger system effectively collects excess nitrous oxide from the patient's breathing apparatus (such as nasal masks), ensuring it is safely vented outside the office environment. This system contributes to maintaining a safe atmosphere by minimizing the risk of exposure to dental personnel, which can lead to potential health issues over time. Properly designed scavenger systems work alongside nitrous oxide delivery systems to provide a controlled and safe sedation experience for the patient, focusing on their comfort and wellbeing while ensuring the dental staff's safety.