Related Experiment Videos
[The reliability of class A alginate impressions]
K B Djeredou1, A Thiam, D M Pesson
1Département de prothèse et occlusodontie, UFR Odonto-Stomatologie Université de Cocody, 22bp612 Abidjan 22, Côte d'Ivoire.
Odonto-Stomatologie Tropicale = Tropical Dental Journal
|January 26, 2002
Summary
Class A alginates offer excellent precision for dental impressions, comparable to other materials but at a lower cost. Optimal dimensional stability is maintained for up to 45 minutes under hot, humid conditions.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
- Prosthodontics
Background:
- Class A alginates exhibit high dimensional accuracy and detail reproduction.
- These properties are comparable to reversible hydrocolloids and elastomers used in dental impressions.
- Alginates offer easier application and are cost-effective alternatives.
Purpose of the Study:
- To evaluate the potential of Class A alginates for precise dental impressions.
- To explore their cost-effectiveness in improving access to dental care in developing countries.
- To determine optimal application parameters for ensuring dimensional stability.
Main Methods:
- Investigated the dimensional stability of Class A alginates.
- Assessed detail reproduction capabilities.
- Evaluated ease of application and cost-effectiveness.
Main Results:
- Class A alginates demonstrate excellent dimensional precision and detail reproduction.
- Their application is simpler and more economical than alternative impression materials.
- Maximum dimensional stability is maintained for 45 minutes under hot, humid tropical conditions.
Conclusions:
- Class A alginates are suitable for precise dental impressions in fixed and removable prosthodontics.
- Their cost-effectiveness can enhance dental care accessibility in resource-limited settings.
- Proper management of application parameters, particularly time, is crucial for optimal results.