Polishing An Amalgam Restoration

Polishing An Amalgam Restoration

Write a short note on the polishing of dental amalgam restorations.
Answer:

Polishing leads to the removal of scratches and irregularities from the surface of restoration leaving a smooth, highly glazed surface that is corrosion-resistant.

• Polishing can be done by using descending-grade abrasives such as rubber-mounted stone or rubber cups.
• Final finishing is always done with a polishing agent such as precipitated chalk, tin, or zinc oxide to obtain a metallic luster.

“Understanding polishing an amalgam restoration through FAQs: Steps, materials, and benefits explained”

Amalgam Polishing Techniques

• It should be carried out with very light pressure since heavy pressure causes spur-like overhangs at the margins which fracture during mastication, and result in microleakage.
• It should be kept in mind throughout the polishing procedures that over-abrasion can cause a loss of anatomy or contact and contour.

“Importance of studying polishing techniques for dental professionals: Questions explained”

Polishing should be done 24 hours after condensation:

• Wet polishing is done when a wet abrasive powder is made into a paste for polishing.
• Dry polishing should not be done because it increases the temperature above 60°C resulting in corrosion and fracture at the margins.

“Common challenges in mastering polishing skills effectively: FAQs provided”

Finishing And Polishing Amalgam

• High-copper single compositional alloys due to their high strength can be polished at the same appointment, once the material gains sufficient strength.