What is flour of pumice primarily used for in dentistry?

Flour of pumice is primarily utilized in dentistry for its polishing properties. It is a very fine abrasive substance that is effective in smoothing and polishing the enamel surfaces of teeth as well as various dental materials. When used for coronal polishing, it helps to remove minor stains and contributes to a smoother surface, which can enhance both the appearance of the teeth and the health of the periodontal tissues surrounding them.

Using flour of pumice for polishing is beneficial because it is gentle enough to prevent damage to the enamel while still providing sufficient abrasion to achieve a polished finish. This makes it especially useful during dental cleanings and aesthetic procedures where achieving a high level of luster is desired.

Other uses mentioned in the options, such as removing plaque or desensitizing sensitive teeth, do not accurately describe the primary role of flour of pumice. While plaque removal is a necessary part of dental hygiene, it is typically achieved through other methods and materials that are better suited for that task. Similarly, desensitizing agents are formulated specifically to address sensitivity issues, not polishing. The fabrication of dental crowns involves different materials and techniques that do not relate to the use of flour of pumice. Thus, the application of flour of pumice in polishing is its most relevant