The dental profession is not the most revolutionary profession in the world. We could say that this group is rather conservative in the approach towards technology and materials. This is supported by the need for evidence based materials and procedures as we are working with Medical Devices on patients. During university the future dentists are trained many techniques and materials. Traditionally dentists are trained to use silicone  for high accurate Crowns and Bridges while alginate impression materials are used for the more general impression situation, e.g. antagonist impression, orthodontic , whitening and functional impressions of edentulous jaws.

Progress and development
However, research made progress in the more traditional products like alginate impression materials. Not only is the stability improved tremendously, the accuracy have been improved from the level of gypsum to silicone.
Detail reproduction requirement:

- Gypsum             = 50 µm                                                          (ref. 1)
- Alginate             = 20 µm  / 50 µm compatibility with gypsum      (ref. 2)
- Silicone             = 20 µm  / 50 µm compatibility with gypsum      (ref. 3)
- Cavex Cream     =   5 µm 

Cavex Cream alginate is an example of such development. Next to the ease of mixing and excellent working properties it has the feature to copy the oral situation with an extreme precision of 5 microns. With the use of new very fine fillers, in balance with existing fillers and additions of the high reflecting titanium dioxide this feature is created. In 2015, the Cavex Cream Alginate was introduced in the market and many Doctors and Professors have been using the product ever since. More and more, they are convinced that with Cavex Cream Alginate it is possible to reproduce tooth preparations with fine details to manufacture the perfect fitted fixed prostheses.

Studies on Cavex Cream
The first two publications on the new alginate quality standard appeared by Dr Firla (ref. 4) and Dr Schiefelbein (ref. 5) both from Germany in 2015. In their articles they claimed that Cavex Cream alginate impressions are suitable for prosthetic application, whereby the complexity of the restauration limits the indication area.

A market evaluation made by Monitex in Taiwan – 2016 (ref. 6) showed the excellent clinical characteristics and accuracy of the impressions. This was again proven by the clinical evaluation by The Dental Advisor in the USA – 2017 (ref. 7)

In 2018, Dr Eduardo Morais researchers and teachers at University Parana, Curitiba Brazil (ref. 8) used Cavex Cream Alginate impressions for the preparation of individual crowns in the posterior and anterior regions. After these successful restoration he even went one step further and used the Cavex Cream impressions for creation of small bridge constructions.

 It all supported the findings of our laboratory testing at Cavex Holland in Haarlem.  With Cavex Cream we are extending the indication possibilities of the traditional alginate impressions.


Cavex Holland BV
Manager Technical Services
Richard Woortman

     

  

References:
 
ISO6873:2013 Dentistry – Gypsum products
ISO1563:2013 Dentistry – Hydrocolloid impression materials
ISO4823:2015 Elastomeric impression materials
The Potential of Alginate, Dr. Markus Th. Firla – DZW 08-2015
Quality Comparison between two impression materials, Dr. Rudolf Schiefelbein - 2015
Cavex Cream Alginate – Market Evaluation, Monitex Taiwan 2016
Cavex Cream Alginate – Clinical Evaluation, The Dental Advisor 2017
Cavex Cream Alginate used for single crown – Dr Eduardo Morais

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