Volume 3 Issue 3 | 2026 | View PDF
Paper Id: IJMSM-V3I3P110
doi: 10.71141/30485037/V3I3P110

Alginate as a Natural and Gentle Abrasive Agent An In-Vitro Comparison with Pumice

Mohan Raj JP, Claudia Peter, Jonathan Enoch Zaccheus T, Jothiga M, Jothika V

Citation:
Mohan Raj JP, Claudia Peter, Jonathan Enoch Zaccheus T, Jothiga M, Jothika V, "Alginate as a Natural and Gentle Abrasive Agent An In-Vitro Comparison with Pumice" International Journal of Multidisciplinary on Science and Management, Vol. 3, No. 3, pp. 113-119, 2026.

Abstract:
Surface finishing and polishing of denture base acrylic resins are essential procedures to improve aesthetics, comfort, and longevity of dental prostheses. Traditionally, pumice has been widely used as a polishing agent in dental laboratories. However, interest in eco-friendly and sustainable alternatives has increased in recent years. Alginate impression material, which is commonly discarded after single use, contains diatomaceous earth that may possess abrasive properties. The present in-vitro study aimed to recycle alginate impression material and evaluate its potential as a polishing agent for denture base acrylic resin. Fifteen acrylic resin specimens were fabricated and divided into three groups: control (no polishing), pumice polishing, and alginate polishing powder. Surface roughness of the specimens was measured using a profilometer and statistical analysis was performed using two-way ANOVA. The results indicated that alginate polishing powder effectively reduced surface roughness and produced a smoother surface comparable to conventional pumice. The study suggests that recycled alginate powder may serve as a viable, eco-friendly alternative abrasive material for polishing dental prostheses.

Keywords: Alginate, Acrylic Resin, In-VITRO Study, Pumice, Surface Roughness.

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