Table 1.

Summary of selected studies indicating the effect of chemical disinfection on properties of different impression materials.

Author/Year	Impression Material	Material/Conc.	Method	Time	Property Investigated	Changes
Silva and Salvador (2004)	Condensation Silicone	1% NaOCl 2% Glutaraldehyde	Immersion	10 min 20 min	Dimensional stability	X
Saber et al. (2010)	Condensation Silicone	5.25% NaOCl 10% Iodophor	Spray	10 min	Dimensional stability	√*
Ahila and Thulasingam (2014)	Addition & Condensation Silicone	4% NaOCl 2.45% Glutaraldehyde 5% Povidone Iodine	Spray Immersion	10 min	Dimensional stability & surface roughness	√
Ivanis et al (2000)	Polyether	0.5% Chlorhexidine	Immersion	10 min 30 min 60 min 24hr	Dimensional stability	√*
	Addition & Condensation Silicone					√
Duseja et al. (2014)	Polyether	0.5% NaOCl 2% Glutaraldehyde Phenol	Immersion	10 min	Dimensional stability	√*
	Addition Silicone			60 min		√
Kalantari et al. (2014)	Condensation Silicone	0.5% NaOCl	Immersion	20 min	Dimensional stability	√*
Sinobad et al. (2014)	Silicone	5.25% NaOCl 0.5% Glutaraldehyde	Immersion	10 min	Dimensional stability	√*
Ahila and Subramaniam (2012)	Silicone	4% NaOCl 2.45% Glutaraldehyde 5% Povidone	Spray Immersion	10 min 30 min 60 min	Dimensional stability	√
Rentzia et al. (2011)	Irreversible Hydrocolloid	0.5% NaOCl 0.55% ortho-phthalaldehyde	Immersion	30 sec 60 sec 90 sec 120 sec 180 sec 240 sec 300 sec	Dimensional stability	X
Soganci et al. (2018)	Silicone Polyether	5.25% NaOCl 2% Glutaraldehyde	Immersion	10 min	Dimensional stability	X
Carvalhal et al. (2011)	Silicone Polysulfide Polyether	0.5% NaOCl 2% Glutaraldehyde	Immersion	5 min 10 min 20 min	Dimensional stability	√
				30 min 60 min		√*
				60 min
Bustos et al. (2010)	Alginate Silicone	0.5% NaOCl 2% Glutaraldehyde	Immersion	5 min 10 min	Dimensional stability	√
Nimonkar et al. (2019)	Silicone	1% NaOCl 2% Glutaraldehyde	Immersion	20 min	Dimensional stability	√*
Babiker et al. (2018)	Alginate	1% NaOCl 5.25% NaOCl	Spray	5 min	Dimensional stability	√
			Immersion			√*
Shetty et al. (2013)	Polyether	0.5% NaOCl 5.25% Phenol	Immersion	10 min	Wettability	√*
		2% Glutaraldehyde 0.05% Iodophor		30 min		√
Rad et al. (2010)	Alginate	5.25% NaOCl 2% Glutaraldehyde	Spray Immersion	8 min	Dimensional stability	√*
Demajo et al. (2016)	Alginate Addition Silicone	0.5% Glutaraldehyde	Spray	10 sec	Dimensional stability	X
Yilmaz et al. (2007)	Polyether	0.525% NaOCl 2% Glutaraldehyde	Spray Immersion	10 min	Dimensional stability	√
Dorner et al. (2014)	Irreversible Hydrocolloid	1% NaOCl	Spray	10 min	Dimensional stability & surface roughness	√*
Guiraldo et al. (2018)	Silicone Polysulfide Polyether	0.2% Chloramine	Immersion	15 min	Dimensional stability	X
Jagger et al. (2007)	Polyether Silicone	2% Glutaraldehyde	Immersion	10 min	Dimensional stability	√
Nassar et al. (2017)	Silicone	2.5% Glutaraldehyde	Immersion	30 min	Dimensional stability	X
Pal et al. (2014)	Silicone	1% NaOCl 4% NaOCl 2% Glutaraldehyde	Immersion	10 min	Surface quality	X
Melilli et al. (2008)	Addition Silicone Polyether	0.5% Glutaraldehyde	Immersion	5 min	Dimensional stability	√
Blalock et al. (2010)	Silicone	Hypochlorite-based	Spray	1 min 20 min 60 min 24hr	Wettability	√
Lad et al. (2015)	Addition & Condensation Silicone Polyether	4% NaOCl 2% Glutaraldehyde	Immersion	10 min	Wettability	X
AlZain (2019)	Addition Silicone Polyether	0.5% Glutaraldehyde	Spray	10 min	Wettability	X
Panza et al. (2005)	Alginate	1% NaOCl	Immersion	10 min	Dimensional stability	√
				15 min		√*
	Polysulfide Polyether	2% Glutaraldehyde		10 min 15 min		√
Amin et al. (2009)	Alginate Addition & Condensation Silicone Zinc Oxide-Eugenol	0.5% NaOCl	Immersion	10 min	Dimensional stability	√
		1% NaOCl 0.2% Chlorhexidine 2.2% Glutaraldehyde		5 min

X: No changes, √: Insignificant changes, √*: Significant changes.