Which type of dental material is used for temporary restorations?

• A. Glass ionomer cement
• B. Amalgam
• C. Composite resin
• D. Dental plaster

Answer: (A)

Glass ionomer cement is commonly used for temporary restorations due to its unique properties. It has excellent adhesive capabilities, bonding well to both enamel and dentin, which aids in maintaining the integrity of the temporary restoration. Additionally, glass ionomer cement releases fluoride, providing a degree of protection against caries in the adjacent teeth, making it an advantageous choice for temporary use.

This material is also relatively easy to manipulate and can be set quickly, making it convenient for use in a clinical setting where time may be a factor. Its biocompatibility is another important aspect, as it minimizes irritation to the dental pulp. Glass ionomer cement can effectively serve its purpose in situations where a temporary solution is needed until a more permanent restoration can be placed.

In contrast, other materials such as amalgam and composite resin are typically reserved for permanent restorations due to their stronger mechanical properties and durability. Dental plaster, on the other hand, is primarily utilized for making casts and models, not for restorations. Thus, the properties of glass ionomer cement make it the ideal choice for temporary dental restorations.