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Instructions for Use (IFU)
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The V3 ring's easy-to-use design gives it wide applications for use and—best of all—achieves consistently accurate contacts with predictable results. The super-elastic nickel-titanium ring provides outstanding spring strength and memory. The V-shaped tines ensure there is no competition with the wedge in the embrasure, and they grip both teeth equally, preventing the ring from collapsing into wide cavities. The system is designed to deliver great results even with wide cavities and missing cusps; and it allows for minimal finishing of the restoration.
- New easy-clean feature prevents adhesive from sticking to the ring, even after light curing
- Rings provide greater stability for significantly reduced spring-off
- Best ring for wide cavities
- Outstanding spring strength and memory
- Optimal force for tooth separation
- NiTi for outstanding spring strength and elasticity
- Glass fiber–reinforced plastic tines
- Spring tilt allows for easy stacking of multiple rings
- V-shaped tines accommodate wedge
- Two rings: Universal (green) for large teeth and Narrow (yellow) for small teeth
- Fully autoclavable
Learn more about the SuperCurve Matrix »
Part of the Complete System
See Instructions for Use for complete instructions, warnings, and precautions.
Dr. Patrick Yoshikane –
Dr. Patrick Yoshikane talks about switching from a traditional Tofflemire to the Triodent V3 sectional matrix system and how it changed the way he performs Class II restorations.
Dr. Nick Devani –
Dr. Nick Devani talks about switching from a traditional Tofflemire to the Triodent V3 sectional matrix system and how it changed the way he performs Class II restorations.
Frequently Asked Questions
Do V3 Rings produce tight contacts?Yes. Experts agree that Triodent sectional matrix systems – using the V3 Ring - is the surest way to achieve tight contacts since the lateral spring pressure acts like a McKean orthodontic tooth separator.¹ A V3 Ring IS a sectional matrix. The only functional differences between the V3 Ring system and other sectional matrices are:
- The V3 Ring is particularly good at holding the matrix in a full anatomical curve.
- The V3 Ring traps the matrix on the shoulders of the tooth and prevents it slipping and moving away from the neighboring contact point.
- The V3 Ring spring is made from nickel-titanium (NiTi) and is very resilient.
- The V3 Ring spans wide cavities.
- The retention is better.
- The tooth separation is better as the lateral force of the spring is greater.
When you think about it, it can't help but produce excellent contacts.
1 Dental Clinics of North America, Vol 45, # 1, Jan 2001, p87.
Can V3 Rings be used on wide cavities?Yes. The anatomically-shaped tines grip on both adjacent teeth and this prevents the spring from falling into wide cavity preps (like other sectional matrices).
Can V3 Rings be used when a cusp is missing?Yes. Since the tines grip on both teeth on each side of the contact and also low down near the gingival margin, a V3 Ring can often be used when a cusp is missing. Depending on the anatomy, it is sometimes best to build up the bulk of the cusp before placing the V3 Ring.
Can V3 Rings be used on primary teeth?Yes. The V3 Ring comes in two sizes – Universal (green) for molars and Narrow (yellow) for premolars and primary teeth.
What degree of separation is achieved with the V3 Ring?The ring will create a separation of 60-80 microns. This is greater than the thickness of two Triodent matrices and is sufficient separation to restore two adjacent Class II cavities at the same time.
Can V3 Rings be sterilized and re-used?Yes. They are designed for re-use and have been tested successfully through 800 autoclave cycles. The rings should be steam-autoclaved, maximum temperature 135°C. Other methods of sterilization run the risk of damaging or staining the rings. Chemical sterilization will void our warranty.
How do I remove material that has adhered to the V3 Rings?
Do not soak the V3 Rings in alcohol. Wiping the V3 Rings with a soft cloth soaked in warm water or scrubbing with a soft nylon brush under warm water is effective at removing the majority of materials. If the composite materials are too firmly adhered to the V3 Rings to be wiped away, the material can first be softened by soaking the rings in warm water. Soaking may be followed up by ultrasonic cleaning using a mild detergent such as BioSonic® Enzymatic Ultrasonic Cleaner.* Materials can also be gently wedged and lifted using a blunt plastic instrument such as a composite spatula. Abrasive instruments, like metal dental hand instruments, can damage the surface of the tines and are not recommended. Rings should then be rinsed and steam autoclaved according the IFU.
*Not a registered trademark of Ultradent Products, Inc.
How can the extra cost of V3 Rings be justified?V3 Rings are not much more expensive than other competing systems and they produce better results with less frustration and time spent. They are also made of NiTi and glass-fiber reinforced plastic, which lasts longer. The cost of the consumable V3 Tab-Matrix is similar to other sectional matrix bands. In addition, think how much it costs you every time you have to re-do a proximal restoration because it has a poor contact. If you try to re-do it right away you run late and get stressed out. If you do it later the patient “bad-mouths” you because they think you are incompetent. You lose credibility and waste more time with more costs and no income when you do have to re-do it! Arrrgh!
Do V3 Rings work equally well on all teeth?The V3 Ring is a very versatile system and no other matrix system comes close in this respect.
Do I have to hold the contact point with a burnisher while light curing? Could I use a regular matrix and hold the contact and then why would I need a V3 Ring?Dr McDonald always does this because it is so easy to do and avoids the bad contact caused by the matrix not being in contact with the neighboring tooth. Quite often it is impossible to see if the matrix is actually touching, so holding is just a precaution. Dr McDonald believes this issue is the single main cause of REALLY bad contacts. The V3 Ring's function is to separate the teeth (orthodontically) and wrap the matrix.
A regular matrix (Tofflemire) when used on a Class II has the effect of moving the tooth in the wrong direction by the thickness of the matrix (because you have to get the matrix through the intact side). This means that you have to overcome TWO thicknesses of matrix to get a tight contact. Tofflemires also tend to produce cylindrical, “tin can”, restorations with a poor contour and a contact just at the marginal ridge. This method has been found to be unpredictable by most who have tried it.
Which style of clamp should I use to hold the rubber dam in place?Often there is room for both the clamp and the V3 Ring. Our general advice is to use wingless clamps if space is going to be an issue. For example, on a #30 tooth, try a W3 or W7. Some brands of clamp leave more room than others. Don’t dismiss winged clamps entirely. If possible, place the clamp distal of the tooth being treated. Many dentists also use the Triodent® Wave-Wedge™ routinely to help keep the dam in place.
Does the V3 Ring work if you are doing three teeth in a row i.e. #12DO, #13MOD, and #14MOL?Dr McDonald prefers to prep all at once, place the matrices on all teeth then place composite initial layers on all three teeth. Then he finishes layering 12 and 14 and pulls off the matrix on 12 and 14. Next he pushes the wedge in farther between 12-13 and 13-14, burnishes the contact on M and D of 13 and places the final layer on 13. Then he finishes all three at the same time.
With the V3 Ring is it best to do them all separately start to finish or would you do 12 and 14 together and then 13 by itself?Yes you can do all four in a row if you want. You just need to make sure that the V3 Ring is separating the contact you are working on. You can move the V3 Ring along as you work, or stack rings. Dr McDonald prefers to use just one V3 Ring as it allows that embrasure to open rather than the retainer rings working against each other. Although he builds one contact at a time, he etches, bonds and places bands and/or matrices all at once.
The V3 Ring is a small piece of equipment to put in the patient's mouth. What if it springs out or is dropped?The V3 Ring is very stable on wet or dry teeth because of its strength and anatomically shaped faces. However, for added security tie floss to the ring.
Can V3 Rings be used on MOD's?V3 Rings work really well on single Class II restorations and MOD's. You can stack the V3 Rings or have one facing mesially and the other distally. The ring tilts up, away from the marginal ridge of the tooth, allowing more room for another ring to be placed underneath, on the next tooth. In most cases it is advisable to place the rings in opposite directions.
What's the best way to restore a back-to-back MO or DO?The easiest method for back-to-back Class II restorations is to complete one and then do the other. Doing both simultaneously can be faster but requires more operator skill. A Narrow (yellow) V3 Ring is recommended as more separation is necessary to overcome two thicknesses of matrix.
What is the best way to restore an MOD with the V3 Ring?The recommended method is as follows:
- Pre-wedge both M and D and complete cavity preparation.
- Slide M and D matrix into position and etch and bond.
- Place V3 Ring on M and build and cure M contact point.
- Move V3 Ring to D and build and cure D contact point.
- Complete occlusal surface and cure with C-Factor issues in mind.
What is the best way to remove the matrix band when it's in a tight contact area and stuck to the composite?Push a thin, metal-blade instrument like a probe through the embrasure below the contact point to break the bond. Some clinicians also recommend flossing between the restoration and the band.
Can I place the Wave-Wedge with the V3 Ring in place?Yes. The V-shaped tines of the V3 Ring allow you to place a wedge without removing the ring. And because the Triodent Wave-Wedge has a hollow underside, you can slide a second wedge from the opposite side to the first.
When doing an MOD, the matrix band side extrusions are too long and get in the way of the opposing matrix band?The easy way around this is to place a V3 Ring on the first tooth, trapping the matrix band in place, then bend the protruding ends of the matrix backwards to make room for placement of another band on the opposite side of the restoration.
Which style of rubber dam clamp should I use on, for example, a #30, that will not interfere with the V3 Ring?Firstly, it is usually better to use a wingless clamp, say a W3 or W7, but there are other options to consider, like an 8a or a serrated premolar clamp. Yet another thing to try is to use a normal clamp, rotated slightly, on the #31.
Sometimes when I place the V3 Ring on the SuperCurve matrix, the ring and matrix slip up the tooth. How can I prevent that?This is most likely to occur on the buccal of lower molars and lingual of upper molars. If it happens, try placing the ring mesially instead of distally. Otherwise, wedge from both sides with Wave-Wedges or use the hard Triodent®V-Wedge to secure the matrix. It’s a good idea to push down on the ring immediately after placement while it is still in the forceps to make sure the ring is fully seated on the undercuts, and keep your finger firmly against the matrix tab until you have released the forceps to ensure there is no slippage.