刷牙的一些冷知识英文 经典语录- 2024-07-29 02:42:02

关于刷牙的16条冷知识,你不一定知道
Bru一份从0到80岁的 护牙指南 ,请收好
shing Teeth: Some Cool Facts For most of us, brushing teeth is a daily routine that we do without giving much thought. It might seem like a mundane task but there are some interesting and cool facts about brushing teeth that might surprise you. Here are some of them:
1. The first toothbrush was made of hog hair The first known bristled toothbrush was created in 1498 in China. It had hog hair bristles attached to a bamboo handle. Europeans later adopted this idea and used horsehair or badger hair for their toothbrushes.
2. We should brush our teeth for at least two minutes Most dentists recommend brushing teeth for two minutes, twice a day. However, studies show that the average person brushes for only 45 to 70 seconds. Therefore, it is important to be mindful and time your brushing.
3. The toothbrush should be replaced every three to four months Toothbrushes should be replaced after three to four months, or sooner if the bristles are frayed or damaged. Using a worn-out toothbrush can lead to poor oral hygiene and can cause more harm than good to your teeth.
4. Teeth should be brushed before breakfast, not after Brushing teeth before breakfast is more effective as it helps remove the food particles that can cause bad breath and tooth decay. Also, brushing teeth after breakfast can cause erosion of enamel if you eat acidic foods or beverages.
5. Toothpaste is important but not essential for brushing teeth Toothpaste helps remove bacteria and plaque from teeth, freshens breath and strengthens enamel. However, if you do not have toothpaste, brushing with just water can still remove food particles and provide some cleaning benefits.
6. Electric toothbrushes are more effective than manual ones Electric toothbrushes are more effective in removing plaque and food debris from teeth compared to manual toothbrushes. This is because they have a higher frequency of bristle movement and can reach areas that are difficult to access with a manual brush.
7. Overbrushing can damage teeth and gums While brushing is crucial for maintaining good oral hygiene, overbrushing can cause damage to teeth and gums. Brushing too hard or for too long can cause gum recession, enamel erosion, and can damage tooth roots.
8. Mouthwash is not a substitute for brushing teeth Mouthwash can freshen breath and kill bacteria, but it is not a substitute for brushing teeth. Brushing teeth helps remove food particles and plaque, while mouthwash only masks bad breath and does not provide deep cleaning benefits. In conclusion, brushing your teeth is essential for maintaining good oral hygiene and preventing dental problems. Knowing these cool facts about brushing teeth can help you improve your brushing technique, and keep your teeth and gums healthy. So, make sure to brush your teeth for at least two minutes, replace your toothbrush regularly, and be gentle when brushing your teeth and gums.
冷知识,刷牙的13件事
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