Grit
Fine
Size
25 lb
No description available yet.
Product
- Manufacturer
- Dharma
- Manufacturer #
- 52-00003
- Item code
- 076-1133
Catalog path
- Marketplace
- Laboratory
- Category
- Abrasives, Buffs & Brushes
- Subcategory
- Polishing Compounds & Accessories
Ordering
- Status
- Ships in 3 business days
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About pumice
Dental pumice is a type of volcanic glass used as an abrasive and prepared in various grits, the abrasive for the first shine on acrylic. In one published sequence denture acrylic was first polished with pumice on a wet felt cone.
A polishing agent is any material used to give lustre to a surface. Polishing is making a denture or casting smooth and glossy.
One published sequence for denture acrylic polishes first with pumice on a wet felt cone and then with rouge on a soft cloth wheel.
How polishing paste, pumice and rouge differ
- Polishing Paste — A ready-mixed polishing agent.
- Pumice — The abrasive for the first shine.
- Rouge & Tripoli — Rouge is for the final high lustre.
What to look at when choosing a polishing compound
The step: pumice comes before rouge in the published sequence.
Surface: 0.2 micrometres of roughness is considered the threshold for a clinically acceptable restoration.
Dust: the CDC names grinding and polishing castings and porcelain among the laboratory steps that put dust in the air.
Sources: The Glossary of Prosthodontic Terms, 9th edition (J Prosthet Dent 2017) · Rao et al. 2015, Surface roughness of three heat-cured acrylic denture base resins with different conventional lathe polishing techniques (J Indian Prosthodont Soc) · Does Sterilization Affect the Performance of Single-Step Resin Composite Polishers? (Dent J 2023) · CDC, Silicosis in Dental Laboratory Technicians, Five States, 1994-2000 (MMWR 53(09))
