LION Clinica Advantage Dental Floss Mint Y-Type Made in Japan. For interdental brushing recommended by dentists. Easily fits between the back teeth. The floss is created using Lion’s preventive dentistry expertise for dentist-recommended interdental care. This dental floss expands as it soaks up saliva and it is gentle on the gums. Effectively catches and removes plaque. Helps strengthen tooth substance and prevent cavities. Also effective for cigarette tar and coffee stain removal. Case color depends on availability. It easily enters between the teeth in the molars, where it is difficult to insert, and removes plaque. Y-shaped dental floss that is easy to use even for first-time users.