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Appendix E

DISINFECTING IMPRESSIONS*

*Consult manufacturer for recommended disinfectant for impressions material if in doubt.

Alginate

Method: Rinse with water

       Spray until glistens

       Seal in plastic bag for 10 minutes

       Rinse impressions and pour

Recommended Disinfectants: Sodium hypochlorite (Bleach) 1: 10 dilution (example: 1/4 cups bleach to 2 1/2 cups water) Iodophor solution (1:213)

 

Zinc Oxide-Eugenol

Method: Rinse with water

       Immerse for 10 min. in fresh disinfectant

       Rinse

Recommended Disinfectants: 2%.Glutaraldehyde

       Iodophor solution (1:213)

Polysulfides

Method: Rinse with water

       Immerse for 10 min. in fresh disinfectant.

       Rinse

Recommended Disinfectants: Sodium Hypochlorite (Bleach) 1: 10 dilution

       Iodophors

       Phenols

       Glutaraldehyde

 

Silicone Materials

Method: Rinse with water

       Immerse in disinfectant for recommended time.

       Rinse

Recommended Disinfectants: 2%.Glutaraldehyde (acidic)

 

Polyether Materials

Method: Rinse with water

       Spray with disinfectant

       Seal in a plastic baggy for recommended time.

       Rinse

Recommended Disinfectants: Fast acting Chlorine dioxide

       Glutaraldehyde

                 Phenol Glutaraldehyde

 

Reversible Hydrocolloid (agar)

Method: Rinse with water

       Immerse in disinfectant

Recommended Disinfectants: Iodophors (1:213)

       Bleach (1:10)

       Glutaraldehyde with phenol buffer (diluted1:16)

 

Always check with manufacturer if in doubt