Which material is commonly used for temporary restorations?

Glass ionomer is commonly used for temporary restorations because of its unique properties that make it suitable for short-term applications. One of the standout features of glass ionomer is its ability to release fluoride, which can help to protect the tooth structure underneath the temporary restoration from further decay. Additionally, it adheres well to tooth structure, providing a good seal against bacteria and moisture, which is crucial for temporary restorations that need to remain intact until a permanent solution is placed.

Moreover, glass ionomer is easier to manipulate and place compared to other materials, making it user-friendly for dental professionals in a temporary setting. Its aesthetic qualities, while not as high as that of composite resin, still allow it to blend reasonably well with natural tooth structure, which can be an advantage for patients who want a more visually appealing temporary solution.

In contrast, materials like amalgam and gold alloy are typically used for more permanent restorations due to their strength and durability. Composite resin, while also used for temporary restorations in some cases, does not have the same fluoride-release property and adhesion characteristics inherent to glass ionomer. This makes glass ionomer the preferred choice for temporary restorations, balancing durability, ease of use, and protective qualities.