3. Grip Your Toothbrush Like a Pencil

Does your toothbrush look as if it's been used to clean the car? If so, you're probably brushing too hard. Contrary to what some scrub-happy people think, brushing with force is not the best way to remove plaque. The best way is to place your toothbrush at a 45-degree angle against your gums and gently move it in a circular motion, rather than a back-and-forth motion. Grip the toothbrush like a pencil so you won't scrub too hard.

3. 像拿鉛筆一樣握著牙刷
你的牙刷是不是看上去像用它清洗過一輛汽車一樣？如果是，你可能刷得太用力了。相反，那些習慣于“歡樂擦洗”的醫務工作者們認為，用力刷牙并不是除去牙斑最好的方法。最好的方法是放置牙刷與牙齦成45度角，并讓牙刷輕輕地以圓周運動移動，而不是前后移動。像拿鉛筆一樣握著牙刷，這樣你就不會刷得太厲害了。