Alginate Impression Disinfection Protocols: Spray-and-Bag vs Immersion Guide
Cross-contamination between the dental operatory and commercial dental laboratories represents a significant biosecurity risk in prosthodontics and orthodontics. Every irreversible hydrocolloid (alginate) impression retrieved from a patient's oral cavity is coated with saliva, blood, and oral microflora—including Hepatitis B, Herpes Simplex, and respiratory pathogens. If transferred directly to the dental stone pouring bench without disinfection, viable microorganisms penetrate the gypsum [...]