Did you know that teas contain some a small amount of fluoride and some certain antibiotic that can help prevent gum diseases and the formation of plaque?
你是否知道茶中量有少量的氟化物和某些抗生素，可以预防牙龈疾病和牙斑的形成。
2
Research shows that short periods of high stress can increase the formation of dental plaque, while physical stress is linked to gum disease.
研究表明，短时间的压力过大会增加牙菌斑的形成，同时身体压力也与牙垠疾病有关。
3
Chewing gum to muscle contraction, adjusting the facial skin, wrinkles gradually reduce the depth of groove formation, or even eliminate some small wrinkles.