Biotrading Naf oral spray Indications: Naf spray is an innovative patented method that simplifies and facilitates the daily administration of effective amounts of fluoride and xylitol. NAF spray simultaneously exploits the action on-site and systemic fluorine and the Xylitol is intervening on the mineralization of the teeth during odontogenesis both to plaque bacteria by inhibiting acid production process owners cariogenic. Dosage and Usage: If the water used is a quantity of fluoride inferiorea 0.3 mg / liter (the most common mineral water) intake is recommended: up to 2 years: 1 spray per day (0.25 mg of F- ions); from 2 to 4 years: 2 sprays per day (0,50); from 4 years old, in adults and pregnant: 4 deliveries per day (1 mg ioniF-). Format: 20 ml.