Physical characteristics of brown algae (Phaeophyta) type Sargassum sp. sodium alginate as irreversible hydrocollloid type for dental impression materials.
Objectives: Sodium alginate is an irreversible hydrocolloid used as a primary impression material for dentistry. Sodium alginate can be extracted from brown algae type Sargassum sp. Which can be found in the Strait of Makassar, South Sulawesi. The aims of this study are to examine the physical characteristics of Sargassum sp. in the Strait of Makassar and its potential as an irreversible hydrocolloid impression material. Methods: Observational research method with cross sectional type, starting with sodium alginate extraction from Sargassum sp., tested the purity of extracted sodium alginate with FTIR (Fourier Transformer Infra Red), then measured characteristics such as moisture content, porosity, viscosity and sodium alginate density extracted and compare it with standard sodium alginate as the standardized primary impression material in dentistry Results: Extraction results is sodium alginate powder colored brownish yellow and slightly smelly fishy. The purity test results using FTIR (Fourier Transformer Infra Red) showed that sodium alginate extracted from Sargassum sp. is the same as standard sodium alginate. Levels of sodium alginate Sargassum sp. is 22.41%. Measurement of physical characteristics of Sargassum sp. Sodium alginate are as follows: 10,76% v/b water content, 7% porosity, 200 centipoise viscosity and 1,0006g / cm3 density. While the measurement of physical characteristics of standard sodium alginate is as follows: 13.11% water content, 28% porosity, 863 centipoise viscosity and unmeasured density (clumping). Conclusions: This study shows that brown algae Sargassum sp. from the Strait of Makassar water has potential as irreversible hydrocolloid dental impression material because it has physical characteristics similar to standard sodium alginate.
2017 Japanese Division Annual Meeting (Tokyo, Japan) 2017
Dental Materials 2:Polymer-based Materials
Hamrun, Nurlindah
( Hasanuddin University
, Makassar
, South Sulawesi
, Indonesia
)
NONE
Ministry of Research, Technology, and High Education