12/5/2024: 📖 We built the BGE documentation for centralized BGE information and materials! 10/29/2024: 🌏 We created WeChat group for BGE. Scan the QR code to join the group chat! To get the first ...

The American Dental Association recommends that you brush your teeth twice a day for two minutes each time, but that only works if your toothbrush is up to the task. An electric toothbrush can get ...