Table 1 Materials used

Tropicalgin

Conventional irreversible hydrocolloid impression material

Composition: potassium alginate, calcium sulfate and a few other elements derived from brown algae

Zhermak, SpA, Badia Polesine, Italy

Chroma print Permium

Extended-pour irreversible hydrocolloid impression material

Composition: Potassium alginate, diatomite, calcium sulfate, magnesium oxide, tetra sodium pyrophosphate, potassium fluotitanate, PEG, pigment. Ethanol, phenolphthalein and flavor

Coltene Whaledent AG, Alstatten, Switzerland

Hydrogum 5

Extended-pour irreversible hydrocolloid impression material

Composition: Potassium alginate, diatomaceous earth, calcium sulfate, trisodium phosphate, triaminofunctional silane

Zhermak, SpA, Badia Polesine, Italy

Durone IV

Type IV gypsum cast material (Dental Stone)

Dentsply, Rio de Janeiro, Brazil

Clorox

5.25% Sodium hypochlorite solution

Abodawood, Jeddah, Saudi Arabia

Glutaron

2% Glutaraldehyde solution

Rio Química Ltda, Rio de Janeiro, Brazil