Publication: Dimensional change of elastomeric impressions after disinfectant immersion
4
Issued Date
1991-03-01
Resource Type
ISSN
00459917
Other identifier(s)
2-s2.0-0026115991
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Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
The Journal of the Dental Association of Thailand. Vol.41, No.2 (1991), 84-93
Suggested Citation
N. Jeraphat, M. Panyawongkhanti Dimensional change of elastomeric impressions after disinfectant immersion. The Journal of the Dental Association of Thailand. Vol.41, No.2 (1991), 84-93. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/22153
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Title
Dimensional change of elastomeric impressions after disinfectant immersion
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Abstract
One method to prevent cross-contamination in dental clinic is to immerse the impressions in disinfectants before making master models. This study to evaluate the effect of disinfectants on dimensions of the elastomers namely polyether, condensation silicone, addition silicone and polysulfide, the disinfectant used in this study is 1% Sodium hypochlorite, 0.13% Sporicidin and 10% Gigasept. Being left under room temperature and immersed in distilled water are two types of controls. Dimensional changes can be measured on master model and compared with the brass standard model. The study reveals that the three disinfectants have no effect on vertical dimensions of all four elastomers but have statistically effect on horizontal dimensions of only polyether (p less than .05). It concludes that all the elastomeric impressions except polyether should be immersed in disinfectants before making master models.