apophylactic
/ˌæpəˈfɪlætɪk/Definitions
1. adjective
preventing tooth decay or promoting healthy teeth and gums
“The apophylactic properties of the toothpaste helped to reduce tooth decay in children.”
2. noun
a substance or agent used to prevent tooth decay or promote oral health
“The dentist recommended an apophylactic treatment for the patient’s sensitive teeth.”