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  1. University of Dental Medicine, Yangon
  2. Department of Prosthodontics

Effects of Chemical Disinfections on Dimensional Stability of Irreversible Hydrocolloid Impression

http://hdl.handle.net/20.500.12678/0000007299
http://hdl.handle.net/20.500.12678/0000007299
a2e72abf-60a9-4fea-8f65-80f67f640fc6
d3c57916-c988-4eea-a139-aa29b81f324d
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09-Effects_of_Chemical_Disinfections_on_Dimensional_Stability_of_Irreversible_Hydrocolloid_Impression_(Dr_YAT,_Dr_ATH,_Dr_SH,_Dr_TS).pdf 09-Effects_of_Chemical_Disinfections_on_Dimensional_Stability_of_Irreversible_Hydrocolloid_Impression_(Dr_YAT,_Dr_ATH,_Dr_SH,_Dr_TS).pdf (813 KB)
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Publication type
Journal article
Upload type
Publication
Title
Title Effects of Chemical Disinfections on Dimensional Stability of Irreversible Hydrocolloid Impression
Language en
Publication date 2020-01-01
Authors
Yan Aung Tun
Aung Thu Hein
Shwe Hlaing
Than Swe
Description
This study was carried out to determine the linear dimensional stability of irreversible hydrocolloid impression materials on resulting dental stone casts after being immersed in two market available chemical disinfectants. Thirty impression samples for each of the two different alginates were taken from a maxillary acrylic model and then immersed in 1% alkylbenzyldimethylammonium chloride (ADBAC) for 3 minutes and 0.5% NaOCl for 10 minutes respectively. Selected measurements were made on the stone casts retrieved from each impression materials. The measurements were analyzed by using independent t test; for comparison among groups. Level of significance was set at p<0.05. Linear dimensions of all tested alginate impressions had changed after immersion in each chemical disinfectant. But these changes were clinically acceptable even for the least stable in dimension (maximum deviation 0.39 mm). Therefore, 1% alkylbenzyldimethylammonium chloride (ADBAC) should be considered as chemical disinfectant of choice for immersion disinfection of irreversible hydrocolloid impression material like the recommended chemical disinfectant, 0.5% sodium hypochlorite.
Keywords
Chemical Disinfections, Disinfection, Disinfectants, Linear Dimensional Stability, Colloids, Dental Impression Material, Alginate Impression Material, Sodium Hypochlorite, Alkylbenzyldimethylammonium Chloride
Identifier http://udmyangon-edu.com
Journal articles
No.1
Journal of Dental Science-UDMY
65-71
Vol.1
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