In various implementations, a dental hygiene system may include a dental powder. The dental powder may include one or more compounds comprising calcium and/or magnesium. The dental powder may include one or more probiotics, in some implementations. The dental hygiene system (e.g., dental powder) may include bismuth subsalicylate. The dental hygiene system may include an applicator and the dental powder may be applied to the applicator. A user may use the dental hygiene system to improve a user's dental hygiene.