Tools of the trade: Triodent V-Ring matrix system

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vringby Dr Jennifer Jom, Central Dental, Mt Gravatt, QLD

 

Like most dentists I originally used a Tofflemire and matrix for interproximal caries. However, I find the V-ring system far superior. I use it for interproximal caries in MOD, MO, and DO cavities.

What’s good about it

The V-ring system comes with a nickel-titanium ring, tab matrix and plastic wave wedges. The ring is fairly elastic and easily placed on the tooth with a pair of forceps. The plastic wave wedges slide along the gingiva better than wooden wedges and come in several different sizes. The tab matrix is easy to insert and remove, and comes in premolar, molar and subgingival sizes.

Previously when using the Tofflemire and matrix, I tended to have poor contours and open contacts which then became food traps. It created a very straight contact that didn’t mimic the original shape of the tooth. The V-Ring system creates the optimal anatomical interproximal contact where only the floss fits through. It also replicates the natural proximal contour of the tooth.  Patients who have a food trap due to an open contact can have this problem fixed with the V-ring system. It allows me to extend the filling and eliminate the problem.

There is also a new V3 ring system, that comes in smaller and larger ring sizes. These are great for smaller and larger teeth, and are helpful when dealing with children.

What’s not so good

It doesn’t work with teeth that sit fairly low in the gum. If not a lot of the crown is exposed, the V-ring usually just pops out. Also, if the decay is sub-gingival or right on the root, the matrix and wedge won’t give a nice fine finish.

Where did you get it

Dentsply.

 

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