What is required when condensing amalgam with a larger diameter nib compared to a small diameter nib?

When using a larger diameter nib for condensing amalgam, more condensation force is required to effectively compact the material. The reason for this is that a larger nib has a greater surface area in contact with the amalgam. As a result, it requires a higher force to achieve a similar level of compaction compared to using a smaller diameter nib.

The larger nib distributes the force over a bigger area, which means that it cannot condense the amalgam as efficiently with the same amount of force as a smaller nib would. Additionally, adequate condensation is essential for ensuring that the amalgam reaches the appropriate density and minimizes porosity, which can affect the strength and longevity of the restoration.

Other options do not align with the physics of condensation. Less force would not adequately compact the material, and applying the same force would likely result in insufficient compaction. Suggesting no force is needed overlooks the necessity of properly condensing the amalgam to achieve the desired properties for a successful restoration. Thus, the requirement for more condensation force when using a larger diameter nib is essential for effective amalgam placement.