sandpaper discs

sand·pa·per discs

disks of paper coated with various grits of silica; used to abrade or smooth the surface of teeth or dental materials.

sand·pa·per discs

(sandpā-pĕr disks)
Paper coated with various grits of silica; used to abrade or smooth surface of teeth or dental materials.
References in periodicals archive ?
The website offers 3” by 21” abrasive belts, and 5” 8 hole sandpaper discs and sandpaper disc holders.