Step 3. Get regular dental cleanings, which remove many food and tobacco stains. No amount of cleaning will remove the severe staining left by tetracycline or systemic disease because these pigments lie inside the tooth; you'll have to take more aggressive measures against these.
Step3. 定期地洗牙,這能去掉許多食物和煙草的污漬。不過洗牙次數(shù)再多也不能去除由于四環(huán)素或系統(tǒng)性疾病導(dǎo)致的牙齒深度著色,因為這些色素已進入你的牙齒內(nèi)部,你需要采取更加積極地措施來對付它們。