Mouthpiece Size
Pediatric (PED)
Extra Small (XSM)
Small (SML)
Medium (MED)
Medium Deep Vestibule (MDV)
Large (LRG)
Table 1. Mouthpiece Sizes
The Finger Method
The finger method may also be used to
select the appropriate Mouthpiece size
(Figure 2). For additional assistance, watch a
video demonstration online at Zyris.com.
Figure 2. The Finger Method
Approx. Interincisal
Opening
< 30 mm
< 30 mm
30 mm
30-45 mm
30-45 mm
> 45 mm
Pediatric / Extra Small
One Finger (< 30 mm)
Small
Two Fingers (30 mm)
Medium / Medium DV
Three Fingers (30-45 mm)
Large
Four Fingers (> 45 mm)
Cheek Shield
Flexible Isthmus
Tongue Retractor
Locking Barb
Openings
Mouthpiece Sleeve
Figure 3. Mouthpiece
Attaching the Mouthpiece
Slide the Mouthpiece onto the Vacuum
Pipe until the two locking barbs engage.
Water or mouthpiece lubricant may be
used to lubricate the inside surface of the
Mouthpiece sleeve to ease attachment.
Placing the Mouthpiece
Prior to placing the Mouthpiece within
the patient's oral cavity, moisten the
Mouthpiece and the patient's lips.
Step 1
Hold the sides of the Control Head with
your index finger and thumb. With your
other hand, fold the Cheek Shield onto the
Tongue Retractor. Gently slide the folded
EN
Vacuum
Channels
Integrated
Bite Block
7