Ch 36 - Moisture Control

Which of the following is a small, straw-shaped oral evacuator used during less-invasive procedures to remove excess fluid?

• Saliva ejector

• High-volume evacuator

• Surgical suction tip

A __________ is used to remove solid debris from the oral cavity during a dental restorative procedure.

• high-volume evacuator (HVE)
• saliva ejector
• surgical suction

During a dental procedure, the saliva ejector should be placed ________ the tongue on the __________ where the dentist is working.

• over; same side

• over; opposite side

• under; same side

• under; opposite side from

The high-volume evacuator (HVE) is able to take up water and debris because a _____ volume of air is moved into the vacuum hose at _____ pressure to create a strong suction.

• high; high

• high; low

• low; high

After it is used, a plastic HVE tip is

• disinfected with a surface disinfectant.

• sterilized in an autoclave.

• thrown away.

The HVE is held using a __________ grasp.

• pen
• palm
• fingertip

The dental assistant grasps the evacuator in the ________ hand(s) when assisting a right-handed dentist.

• right
• left
• right or left

The HVE suction tip should be positioned

• after the dentist positions the handpiece and mouth mirror.

• on the surface of the operative tooth closest to the dentist.

• so that the edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge.

An antimicrobial solution should be flushed through the evacuation system hoses

• weekly.

• daily.

• monthly.

Frequent removal of debris as it accumulates during a procedure is called

• limited-area rinse.

• removal of plaque.

• temporary lavage.