Which type of dental material requires careful selection of polishing paste to avoid damage?

Filled hybrid composites require careful selection of polishing paste to avoid damage because they are more susceptible to abrasion and can become defective if the wrong type of paste is used. These materials often include a combination of resin and filler particles, which can be compromised by overly abrasive polishing agents. The incorrect paste can lead to surface degradation, loss of luster, or even functional impairment of the restoration.

In contrast, amalgam restorations are made from a durable metal alloy that is quite resilient to various polishing agents. Gold crowns, being composed of a noble metal, allow for more flexibility in polishing as their hardness protects them from damage. Dental sealants are also not as sensitive to polishing paste selection because they are generally applied in a thin layer and are less prone to wear compared to composite materials. Care must be taken with filled hybrid composites, making the selection of the appropriate polishing paste crucial for maintaining their integrity and appearance.