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Analyzing the Effect of Disinfection Additives on the Linear Dimensional Stability of Dental Alginate Impressions: A Quasi-Experimental Comparative Study

96 participantsStarted 2025-04-01

Plain-language summary

This quasi-experimental comparative study investigates the effects of incorporating various self-disinfecting agents-0.2% Chlorhexidine (CHX), 1% Chitosan solution, 0.2% Silver Nitrate (AgNO3), green-synthesized Silver Nanoparticles (AgNPs), and 15% PVP-Iodine-on the linear dimensional stability of dental alginate impressions. Alginate is widely used in dentistry but is prone to dimensional changes and contamination. This study aims to assess whether integrating these disinfectants can reduce microbial risks without compromising the material's dimensional accuracy, thereby improving infection control and the precision of dental prostheses

Who can participate

Age range60 Minutes

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Dental stone casts free from excessive porosity, fractures, or other visible defects that could affect dimensional stability measurements. * Typodont models with intact maxillary arch configurations. Exclusion Criteria: * Distorted impressions, under-extended impressions, impressions that detach from the tray before pouring, and impressions with voids, on visual inspection. * Dental cast with a fracture component, incomplete pouring, and those with voids or bubbles.

What they're measuring

Linear Dimensional Stability of Alginate Impressions

Timeframe: 1 hour after impression making and cast pouring

Trial details

NCT IDNCT06899672

SponsorAltamash Institute of Dental Medicine

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-07-01

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