What is a key benefit of using polyvinyl siloxane (PVS) for impressions?

• A. It is inexpensive
• B. It provides excellent detail
• C. It is biodegradable
• D. It sets quickly

Answer: (B)

Polyvinyl siloxane (PVS) is widely recognized for its exceptional ability to capture fine details in impressions, making it a preferred material in dental practices. This accuracy is crucial in scenarios such as fabricating crowns, bridges, or dentures, where any discrepancies in the impression could lead to complications in fitting and function. The material's hydrophobic properties allow it to produce high-resolution details of the oral structures, which is vital for achieving a precise reproduction of the patient's dentition.

In addition to its impressive detail-capturing capabilities, PVS maintains stability and dimensional accuracy over time, further contributing to the quality of impressions for various dental procedures. This combination of qualities not only enhances the overall effectiveness of dental restorations but also improves patient outcomes, reinforcing why it is favored in chairside lab practices.