Check the listing for details. Fresh Mouth Nano Silver Toothpaste Fluoride Free 2 pack. Condition: New. Listed at 19.98 USD. Nano Silver Mint Toothpaste 2pck Over 95% of toothpaste's utilizes Fluoride to help fight bacteria. However, Fluoride has been proven to have some strong side effects such as weight gain, depression, fatigue, and cognitive problems just to name a few. Our specialized toothpaste formula uses Nano-Silver technology that eliminates the bad bacteria in our mouths and shields us from ingesting any type of harmful substance. This antibacterial/antimicrobial agent has also been found to aid in the repair of tooth decay, Receding gums, teeth sensitivity, and bad breath while fighting against viral pathogens. With our amazing Nano-silver formula you can take brushing to a whole other level making sure your mouth stays, Always Fresh / Always Clean.