Tools of the trade: Bioclear Anterior Matrix System

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anterior matrix system

by Dr Ann Duong, Preventive Dentistry, Braddon, ACT

I learned about this matrix system through my subscription with the American Academy of Cosmetic Dentistry. I thought it was a good solution for anterior diastema and black triangle closure cases, and I wanted to give it a go to see if it worked as well as was claimed. I’ve been using it for the past year and I’m really happy with it.

What’s good about it

It’s an alternative to the traditional mylar strip when placing anterior composites involving an interproximal surface. While the traditional mylar strips are flat, the Bioclear strips are contoured in a variety of sizes for different tooth shapes and sizes. The strips are anatomically shaped and give a good emergence profile from the gingiva. It reduces the incidence of overhangs so there’s minimal trimming at the gingival margin.

Contacts are good as long as you follow the protocol. It’s easy to get on and off. As it’s preformed, they provide as much length as possible, so you have to trim it in order for it to fit correctly. The results have been very good.

I reach for it whenever I see a tooth that has a particular contour where I know this system will work well, particularly diastema closures, black triangle closures, or large Class IV restorations. Even though it’s a bit technique sensitive, Bioclear is one of the better matrix systems I’ve used.

What’s not so good

The biggest negative is that it doesn’t always stay in place by itself. You have to be careful with wedging as it can distort the matrix, so sometimes I need to hold it in place with my fingers. This can be a bit difficult because then there’s only one free hand to place the restoration. 

Where did you get it

Amalgadent

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