Dental Applications

Alginate-based impressions are attractive as orthodontic study models for a variety of reasons. These are fast setting at room temperature, easy to prepare, and very cost effective. The mechanism of action is based upon the reaction between a soluble calcium salt and soluble alginate (usually a sodium or potassium grade material).

Alginates high in guluronic acid typically provide high gel strength impressions. Alginates high in mannuronic acid content, on the other hand, will result in a softer or “pudding like” texture.

  • Product particle sizes vary from coarser grades with good particle flow for powder products, to fine powders for non-gritty cream formulations

  • A very well tolerated, non-irritating natural-based substance

  • Forms cross-linked gels in situ by adding calcium to the formulations

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