A. Dentures should be stored in a container with water or a denture-cleaning solution to prevent drying and warping, not in a dry container. B. Wrapping gloved fingers with gauze provides a better grip when removing dentures, reducing the risk of dropping them and ensuring a safe and hygienic removal process. C. Flossing is not necessary for dentures, as they do not have natural tooth structures requiring interdental cleaning. Instead, dentures should be brushed with a soft-bristled brush. D. A soft-bristled toothbrush, not a washcloth, should be used to clean dentures to effectively remove plaque and food debris.