Summary: Dr Claudia Yung explains what sensitive teeth are and what are the preventive measures to protect your teeth. She also talks about those clinical-proven products if they are effective? (今集請來牙科醫生翁靜華，解釋甚麼是敏感牙齒，以及有甚麼方法避免變成敏感牙齒，她又會講解市面上稱經過臨床試驗的產品是否有效。 )
