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Storage duration effect on deformation recovery of repacked alginates

Dental Journal (Majalah Kedokteran Gigi) · Vol. 42 No. 3 (2009) · hlm. 126–129

DOI
10.20473/j.djmkg.v42.i3.p126-129
ISSN
2442-9740, 1978-3728
Terbit
2009-09-01
Penerbit
Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en
Bahasa
eng

Abstrak

Background: Manufacturers supply alginate impression materials as a powder that is packaged in bulk and in individual container. Some Indonesian dental suppliers often repackage the bulk alginate into individual plastic packages which are not tied tightly and stored in the display room without air conditioner. It is known that critical factors to the shelf life of alginate includer avoidance of moisture contamination which may lead to premature setting of the alginate and avoidance of high temperature which may cause depolymerization of the alginate. Purpose: The aim of this study was to determine storage duration effect of repacked alginates on deformation recovery. Methods: Two brands of alginates (Tulip®TU, and Aroma Fine DF III®AF) were repacked into 120 plastic containers. The samples were stored in room condition (temperature 29° C ± 1° C, relative humidity 60% ± 10%) for 1, 2, 3, 4 and 5 weeks. The alginates setting time and recovery from deformation were measured according to the ANSI/ADA specification number 18 (ISO 1563). result: The results revealed that there was decreased setting time during 5 weeks but there was slight decreased in deformation recovery after 3 weeks storage. The ANOVA showed there was no significant difference of alginates deformation recovery among the storage times (p > 0.05). Conclusion: Storage duration of repacked alginates in plastic containers during 5 weeks in room condition do not influence the alginate deformation recovery.

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Widowati SiswomihardjoAfiliasi tidak diketahui3
Juni HandajaniAfiliasi tidak diketahui2
Ema MulyawatiAfiliasi tidak diketahui2
Alizatul Khairani HasanAfiliasi tidak diketahui2
HarsiniAfiliasi tidak diketahui2
WidjijonoAfiliasi tidak diketahui2
Mohammad Imanuddin YasnawiAfiliasi tidak diketahui2
Dhea Maurilla VeraniAfiliasi tidak diketahui2
Niswati Fathmah RosyidaAfiliasi tidak diketahui1
Pinandi Sri PudyaniAfiliasi tidak diketahui1
Dewi AgustinaAfiliasi tidak diketahui1
Marsetyawan HNE SoesatyoAfiliasi tidak diketahui1
Archadian NuryantiAfiliasi tidak diketahui1
Widya AsmaraUniversitas Gadjah Mada1
Yulita KristantiAfiliasi tidak diketahui1
Marsetyawan HNESAfiliasi tidak diketahui1
Widjijono WidjijonoAfiliasi tidak diketahui1
Purwanto AgustionoAfiliasi tidak diketahui1
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Sumber metadata: OAI-PMH (metadata jurnal) https://e-journal.unair.ac.id/MKG/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Storage duration effect on deformation recovery of repacked alginates</dc:title>
	<dc:creator>Sunarintyas, Siti</dc:creator>
	<dc:creator>Irnawati, Dyah</dc:creator>
	<dc:subject xml:lang="en-US">storage time</dc:subject>
	<dc:subject xml:lang="en-US">alginates</dc:subject>
	<dc:subject xml:lang="en-US">deformation recovery</dc:subject>
	<dc:description xml:lang="en-US">Background: Manufacturers supply alginate impression materials as a powder that is packaged in bulk and in individual container. Some Indonesian dental suppliers often repackage the bulk alginate into individual plastic packages which are not tied tightly and stored in the display room without air conditioner. It is known that critical factors to the shelf life of alginate includer avoidance of moisture contamination which may lead to premature setting of the alginate and avoidance of high temperature which may cause depolymerization of the alginate. Purpose: The aim of this study was to determine storage duration effect of repacked alginates on deformation recovery. Methods: Two brands of alginates (Tulip®TU, and Aroma Fine DF III®AF) were repacked into 120 plastic containers. The samples were stored in room condition (temperature 29° C ± 1° C, relative humidity 60% ± 10%) for 1, 2, 3, 4 and 5 weeks. The alginates setting time and recovery from deformation were measured according to the ANSI/ADA specification number 18 (ISO 1563). result: The results revealed that there was decreased setting time during 5 weeks but there was slight decreased in deformation recovery after 3 weeks storage. The ANOVA showed there was no significant difference of alginates deformation recovery among the storage times (p &amp;gt; 0.05). Conclusion: Storage duration of repacked alginates in plastic containers during 5 weeks in room condition do not influence the alginate deformation recovery.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en</dc:publisher>
	<dc:date>2009-09-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://e-journal.unair.ac.id/MKG/article/view/950</dc:identifier>
	<dc:identifier>10.20473/j.djmkg.v42.i3.p126-129</dc:identifier>
	<dc:source xml:lang="en-US">Dental Journal (Majalah Kedokteran Gigi); Vol. 42 No. 3 (2009): September 2009; 126-129</dc:source>
	<dc:source>2442-9740</dc:source>
	<dc:source>1978-3728</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://e-journal.unair.ac.id/MKG/article/view/950/735</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2015 Dental Journal (Majalah Kedokteran Gigi)</dc:rights>
</oai_dc:dc>