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Waterpik

®

 ClearView 

Sectional Matrix System

The Waterpik

®

 ClearView Sectional Matrix System includes a nylon-reinforced 

stainless steel retaining ring; interproximal wedges; and non-stick sectional matrices 
for placement of restorations in the posterior area. Sectional Matrices are suitable 
for use with all posterior restorative materials. Either one Ring may be used for the 
restoration or two Rings may be stacked one over the other for performing M.O.D.’s 
and multiple-tooth restorations. The advantages of the sectional matrices and ring 
include natural contours for better replication of contact areas and embrasures, easy 
placement, enhanced view of the operative field, and more comfort for the patient. 

SYSTEM COMPONENTS:

Waterpik

®

 ClearView Retainer Ring

The Waterpik

®

 ClearView Retaining Ring is for use in the posterior region either as 

a single ring or two rings stacked one over the other for performing M.O.D.’s and 
multiple-tooth restorations.

Waterpik

® 

ClearView Non-Stick Sectional Matrices 

 Sizes:

Bicuspids 4.6mm (light gray) 
Bicuspids 3.8mm with extension (light blue) 
Bicuspids and Small Molars 5.5mm (dark blue) 
Molars 6.4mm with extension (purple) 
Molars 6.4mm (green) 

 For use with all posterior restorative materials.

Waterpik

® 

ClearView Wedges

 Sizes:

Extra-small (white)
Small (light blue)
Medium (dark blue)
Large (purple)

Materials:

 Sectional Matrices: polished stainless steel with non-stick coating

 Retaining Ring: nylon-reinforced stainless steel

 Wedges: polypropylene, nylon

 Ring Placement Forceps: stainless steel

Indications:

The Waterpik

®

 ClearView Sectional Matrix System is indicated for Class II 

restorations to facilitate the direct placement of restorative materials.

Contraindications:

None known.

SAFETY:

Be aware of the following safety notes in other chapters of these directions for use.  

Note:

 Always refer to www.waterpik.com/matrix for the latest Instructions for Use.

  

Safety alert symbol

This is the safety alert symbol. It is used to alert you to potential personal injury 
hazards. Obey all safety messages that follow this symbol to avoid possible injury.

Warnings:

The Waterpik

®

 ClearView Sectional Matrix System consists of small parts. As with all 

intra-oral devices, care must be exercised to ensure stable handling and placement. 

 Wear applicable protective eyewear and gloves.

 Placement of a rubber dental dam is mandatory to prevent the potential for 

  inhalation or ingestion of such parts.  

 To avoid inadvertent swallowing or aspiration of the ring, should it unexpectedly 

  come loose from its seated position, tying the ring to a previously placed rubber 
  dam clamp with dental floss is recommended.

 

Aspiration:

 If aspiration of matrix, wedge or retaining ring occurs seek 

  immediate medical attention.

 Ingestion:

 If accidental swallowing occurs, encourage patient to seek medical 

  assistance to locate swallowed part. If nausea or illness develops, seek medical 
  attention immediately.

 

Laceration:

 Handling matrices with gloved hands and/or cotton dressing forceps 

  or similar instrument is recommended. In the unlikely event a clean matrix 
  causes a skin laceration, employ usual first aid measures. Discard and properly 
  dispose of matrix.

 Used matrices and accessories are contaminated. Follow proper exposure control 

  plans. In the event of an accidental exposure, follow recommended 
  post-exposure procedures. Following use of the Waterpik

®

 ClearView Sectional 

  Matrix System, proper handling and disposal techniques are required. Use 
  precautions when handling or disposing contaminated items. 

 Care should be taken to have good control of any instrument in order to protect 

  patients from injury.

Precautions:

 This product is intended to be used only as specifically outlined in the 

  Instructions for Use. Any use of this product inconsistent with the Instructions for 
  Use is at the discretion and sole responsibility of the practitioner.

 Care must be taken when placing the retaining ring. Ensure ring is fully seated 

  in forceps.

 Excessive pressure on matrix, wedge, or retaining ring in an apical direction may 

  result in injury to periodontal tissues.

 This product is provided in a Non-Sterile condition.

 Devices marked “single use” on the label are intended for single use only. 

  Discard after use. Do not reuse in other patients in order to prevent 
 cross-contamination.

 Do not use accessory tools other than those designed, supplied, and/or outlined 

  for use with the Waterpik

®

 ClearView System. Injury may result.

Adverse reactions:

 Product misuse may cause failure resulting in respiratory, digestive, eye, skin, or 

  mucosa injury. (See Contraindications, Warnings and Precautions)

 Failure to properly employ accepted handling and disposal techniques may 

  present biohazard. (See Warnings and Precautions)

Pre-operative Sterilization:  

Matrices and Wedges are supplied non-sterile and are for single use only. Prior to 
clinical use, Matrices and Wedges should be cleaned with a mild detergent and then 
steam autoclaved one time at 121°C for 15 minutes, followed by a 25 minute air 
drying time.
Retaining Ring and Forceps are supplied non-sterile, and should be steam 
autoclaved prior to first and each subsequent use.

STEP-BY-STEP INSTRUCTIONS:

Step 1: Isolation of the Area

Isolation of the area helps to prevent contamination from blood and saliva. As with 
many dental procedures, aspiration of small parts is a valid concern. Placement of a 
rubber dental dam is mandatory to prevent the potential for inhalation or ingestion of 
such parts.  
To avoid inadvertent swallowing or aspiration of the ring, should it unexpectedly come 
loose from its seated position, tying the ring to a previously placed rubber dam clamp 
with dental floss is recommended.

Pre-Operative Placement of Ring for Separation (Optional)

To effectively use a contoured sectional matrix, there must be enough interproximal 
space to position the matrix without force or distortion. The retaining ring, when placed 
prior to and left on during cavity preparation, creates the interproximal space required 
for sectional matrix placement.

Cavity Preparation:

Complete preparation as usual.
After preparation is complete, follow the matrix placement (Step 2), wedge placement 
(Step 3) and retaining ring placement (Step 4) instructions.

Step 2: Sectional Matrix Placement

Select a sectional matrix that most closely approximates the occlusogingival height 
of the tooth. 

Matrix Selection:

The 5.5mm non-stick sectional matrix (dark blue) is recommended for most 
applications. The 3.8mm (light blue) and 4.6mm (light gray) matrices are designed 

for use with adolescents and patients with short posterior teeth. The 6.4mm matrices 
(purple, green) are designed for larger cavities occlusogingivally. The 3.8mm (light 
blue) and the 6.4mm (purple) matrices with a subgingival extension supplement a 
contoured matrix with a pronounced gingival apron. 

Technique Tip:

 Using cotton dressing forceps or similar instrument, grasp the tab at 

the top-center area of the matrix.
Over-approximate tooth curvature buccolingually by rolling the sectional matrix 
with your fingers. This will help keep the matrix ends from interfering with the 
Ring placement. 

Technique Tip: 

The matrix should be oriented with the convex edge towards the 

gingival margin of the tooth, and the tab on top.

Technique Tip:

 The matrix placement tab may be bent over the adjacent marginal 

ridge to facilitate restoration marginal ridge contour.
If the ring was placed properly before tooth preparation, then the matrix should slide 
easily into place adjacent to the space to be restored from the occlusal approach. 
Ensure matrix is apical to preparation margin with no gap.

Step 3: Wedge Placement

For optimal contour, gingival seal, and tooth separation, use Waterpik

®

 wedges.  

Technique Tip:

 Keep a finger on the sectional matrix placement tab to prevent the 

wedge from dislodging the matrix during insertion.   
Since a high viscosity resin packed into the preparation may displace the matrix 
away from the tooth, firmly insert the wedge.

Step 4: Ring Placement
Technique Tip:

 For secure gripping of ring tips to the surfaces, dry teeth thoroughly 

before placement.
Grasp the Waterpik

®

 ClearView retaining ring near the tips of the ring with the ring 

placement forceps, being sure the ring rests within the channel on the forceps tips.  
Spread the ring with the forceps only enough to clear tooth height of contour. Do not 
over-expand the ring. Over-expansion may result in permanent ring deformation. 
The locking slide on the forceps may be engaged to facilitate carrying and 
placement of the ring.  

Technique Tip:

 To avoid hitting and possibly dislodging the matrix when placing the 

ring, bring the ring down at an angle over the adjacent tooth and then flatten out the 
ring as you place it into the interproximal space and over the top of the wedge.
Place the ring with one tine in each interproximal space from buccal to lingual 
adjacent to the surface to be restored. The direction the ring points, mesial or distal, 
does not matter, though placing it so that the ring points mesially is usually more 
easily achieved due to easier access.
Using the slots on the bottom of the ring tines, fit the ring over the wedge. 
With the tines properly positioned interproximally, release the locking slide on the 
forceps and slowly release the forceps tension. When ring is securely seated, release 
the forceps completely and withdraw forceps.
To avoid inadvertent swallowing or aspiration of the ring should it unexpectedly come 
loose from its seated position, tying the ring to a previously placed rubber dam 
clamp with dental floss is recommended.

Step 5: Contouring to Adjacent Tooth

To form proper contours, it is very important to push the sectional matrix firmly into 
contact with the adjacent tooth in the desired contact area.

Technique Tip:

 The matrix placement tab may be bent over the adjacent marginal 

ridge to facilitate restoration marginal ridge contour.

  

Small parts under tension

 Be sure ring is securely seated in the forceps before introducing into the patient field.

 Be sure ring is securely seated apically before withdrawing forceps.

Step 6: Restorative Application

Use your preferred etching, disinfecting and bonding technique following 
manufacturer's instructions. 
Apply your preferred restorative material following manufacturer's instructions.
Light cure and/or allow material to reach initial set. 
Gross contouring may be accomplished with matrix in place.

Step 7: Removal

Remove Ring using forceps. Remove Wedge and Sectional Matrix using cotton 
dressing forceps or similar instrument. 
Because of the superior contact achieved with the Waterpik

®

 ClearView Ring, 

removal of the band may require a hemostat. 

Step 8: Finishing 

Finish contouring, verify proximal contact and polish the restoration.

HYGIENE:

Cleaning:

The Waterpik

®

 ClearView ring placement forceps and ring may be cleaned by 

scrubbing with a disposable towel soaked with hot water and soap or detergent.

Disposal of Single-use components and Sterilization:

  

Cross-contamination

 Do not reuse used matrices or wedges.

 Do not attempt to sterilize used matrices or wedges.

 Properly dispose of the used and/or contaminated matrices or wedges in 

  accordance with local regulations.

Sterilization:

Waterpik

®

 ClearView Retaining Ring and Ring Placement Forceps should be steam 

autoclaved at 121°C for 15 minutes, followed by a 25 minute air drying time. Use 
of other sterilization procedures/methods is at the discretion and sole responsibility 
of the practitioner. It is not recommended to immerse components into disinfection 
or cold sterilization solutions. Allow Ring and Forceps to dry prior to storage. The 
forceps require no additional maintenance and should not be oiled or greased.
Waterpik

®

 ClearView Sectional Matrices and Wedges are supplied non-sterile and 

are for single use only. Sterilize for use by steam autoclaving, 121°C for 15 minutes, 
followed by a 25 minute air drying time.

LOT NUMBER:

The following numbers should be quoted in all communications with Water Pik, Inc.:

 Reorder Number

 Lot number on the package 

CONTACT:

Water Pik, Inc. 
1730 E. Prospect Rd.
Fort Collins, CO USA 
80533-0001
For questions, contact Water Pik, Inc.:
USA: (800) 525-2020
Canada: (888) 226-3042
www.waterpik.com/matrix
Waterpik

®

 is a trademark of Water Pik, Inc. registered in China, Denmark, EU, Hong 

Kong, India, Japan, Korea, Turkey, and the United States.
Waterpik

®

 (stylized) is a trademark of Water Pik, Inc. registered in Australia, Canada, 

China, EU, Hong Kong, Korea, Russian Federation, Saudi Arabia, Switzerland and the 
United States.
FN 20020307-F AB   
#1692r0415
©2015 Water Pik, Inc.

Instructions for Use

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