Can string floss be rinsed and reused?
Water immersion method: soak bamboo or bamboo products in running water or running water for a perio...
Bamboo dragonfly is one of the traditional Chinese folk children's toys, which is widely spread. The...
n the dental clinic, there are many patients with "plugged teeth". This may seem like a small proble...
When people buy lamps, they will automatically choose energy-saving lamps, when they choose cars, th...
Simple brushing can only remove about 65% of the plaque, and the remaining 35% of the plaque is hidd...