Brushing teeth after meal

飯後30分鐘和60分鐘，口腔酸鹼值同樣恢復正常。

The pH value increases to normal 30 and 60 min after meals.

飯後30分鐘，我們可以刷牙，不需再延後。

Brushing the teeth does not need to be delayed between 30 and 60 min after eating.

Fibryanto E, Widyastuti W. Effect of brushing the teeth before and after meals on salivary pH: A quasi-experimental study. J Int Oral Health 2022;14:163-7

吃或喝酸性物質後立即刷牙會損壞牙齒的琺瑯質。

Brushing immediately after eating or drinking something acidic can damage the enamel layer of the tooth.

Brushing immediately after meals? you may want to wait. Columbia University Irving Medical Center. (2022, June 29). https://www.cuimc.columbia.edu/news/brushing-immediately-after-meals-you-may-want-wait