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Current controversies in final impressions.
1Department of Prosthodontics, Louisiana State University School of Dentistry, New Orleans, USA.
Practical Periodontics and Aesthetic Dentistry : PPAD
|April 28, 1999
Summary
For accurate dental restorations, use polyether impressions carefully. Consider a second impression and pour immediately to prevent damage during shipping, especially in extreme temperatures.
Area of Science:
- Dental Materials Science
- Prosthodontics
Background:
- Accurate final impressions are crucial for definitive dental restorations.
- Polyether materials are commonly used for dental impressions.
Purpose of the Study:
- To highlight potential issues with polyether impressions.
- To provide recommendations for ensuring impression accuracy and integrity.
Main Methods:
- Review of best practices for dental impression techniques.
- Consideration of material properties and handling procedures for polyether.
Main Results:
- Fractured abutments can occur if a single polyether impression is compromised.
- Extreme temperatures during transport can negatively affect impression accuracy.
Conclusions:
- An additional polyether impression can mitigate risks associated with a single impression.
- Pouring the impression immediately before shipping protects against environmental damage.