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MTA -  Powder, Bottles, and Single-use Capsules

 

In the March 2014 issue of the Journal of Endodontics (Volume 40, Issue 3, Pages 423–426) Ha et al. felt “because MTA powder is hygroscopic, when it is left exposed to atmospheric moisture, it will react in a similar way as MTA powder mixed with water.” Based on their findings the authors conclude “MTA undergoes an increase in particle size once the manufactured seal has been broken.” And that “(a) larger particle would … be less reactive, which could have implications for setting time, compressive strength, and alkalinity.”

 

The authors also noted that contrary to manufacturers’ instructions clinicians who purchase MTA in commonly available 1 gram bottles will use the material over multiple applications. Based on these findings, after the initial use, and over a prolonged period of time, the MTA likely will not perform with the same characteristics as intended by the manufacturer.

 

Even though this paper did not reference the use of MTA in single-use capsules, we can extrapolate that for the clinician, capsule use seems to be the most effective way to insure the most consistent clinical result with the added benefit of a longer shelf life, which is especially important to the clinician who uses MTA infrequently.

 

Zendo (www.zendo-online.com) is committed to delivering quality and value to the practitioner by ensuring that all its products, such as its Zendo MTA Capsules, are developed using evidence-based information. All of Zendo’s products are manufactured in Europe to the highest standards and are made available to the profession at exceptional prices.

 

Dr. Barry H. Korzen

Founder, Zendo