The present application discloses a fast-setting mineral trioxide aggregate (MTA) with fluoride release for practical treatment of diseases in teeth and bone, e.g. for caries treatment and/or prevention. The cariostatic MTA contain calcia-silica-alumina cement with moderately increased tricalcium aluminate content allowing high calcium hydroxide release. The MTA composition support remineralization and biomineralization, and it is suitable for stimulation of hard tissue regeneration. MTA embodiments contain superplasticizer and nanosilicate for improved mechanical properties. The MTA compositions include optional radiocontrast and nano-enriched leachable fluorine, nitrate, strontium, and phosphate. The fast-setting MTA paste exhibits flow-to-clay-like consistency, which allows new practical applications including cavity lining, temporary restoration, bonding, and cementations in one MTA embodiment. The high calcium hydroxide and high fluoride release are suitable for caries prevention and treatment, and per se inhibition of dental symptoms.