Is it safe to use chlorhexidine gluconate oral rinse to disinfect retainers and dentures?

Safe - yes: Best to scrub with toothpaste and then soak in an antimicrobial effervescent cleaner ( efferdent, etc. ) the Peridex (chlorhexidine gluconate) won't clean nearly as well, but won't hurt them eother.

Unsure if effective: It will definitely kill bacteria, unsure if it will be broad enough to be considered disinfected. It does have a tendency to produce staining.

Yes: Absolutely safe and a good idea.

Yes: Chlorhexidine is an anti microbial rinse. You can soak your dentures in it. Caution, may stain dentures but should be easily removed with tooth brush and tooth paste.