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[Why should we use plaster for the prime impression in complete removable prosthodontics]
N J Koffi1, K G Koffi, K D Assi
1UFR Odonto-Stomatologie, Université Cocody Côte d'Ivoire et AH-U Lille 2, France.
Odonto-Stomatologie Tropicale = Tropical Dental Journal
|January 10, 2006
Summary
For removable complete dentures, plaster static impressions are superior for capturing accurate details without harmful pressure. This technique is recommended unless the patient has undergone recent radiotherapy.
Area of Science:
- Dentistry
- Prosthodontics
- Materials Science
Context:
- Review of thirty years of literature on removable complete denture impressions.
- Evaluation of various impression materials and techniques.
Purpose:
- To determine the optimal impression material for primary impressions in complete denture fabrication.
- To identify materials that minimize pressure on oral tissues.
Summary:
- Plaster static impressions are recommended for primary impressions in complete denture fabrication due to their physical properties that accurately capture details without inducing abnormal pressure.
- Unlike other materials, plaster does not irritate alveolar bone, ensuring better stability for the final prosthesis.
- The RIGNON-BRET technique is a suggested method, with the only contraindication being recent radiotherapy treatment.
Impact:
- Provides evidence-based guidance for selecting appropriate impression materials in prosthodontics.
- Aims to improve the fit and stability of complete dentures, enhancing patient comfort and function.
- Highlights the importance of material properties in preventing complications like alveolar bone irritation.