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why do we have to clean our teeth

Another possibility is that the level of skill of your dentist is wanting. I don t think so. I haven t had any cavity! I go to the dentist once a year for routine plaque removal. My teeth are in good shape but they keep on telling me that with additional flossing I d have less plaque. (at best the problem would be how
I clean my teeth, not what my dentist does). Still, dentists in my country (at least. ) have a consensus that you should brush carefully after every single meal/snack and floss preferrably more than once a day!! It s not just my dentist! What do you eat instead? Non-human food? I ve tried grazing but I just don t like the taste. Also chowing off bites of raw meat directly from freshly killed animals just does not taste the same like cooking a stew. Also I don t digest that so well. I d like to see that study. First I d like to know what these dog were eating, then I d like to know the threshold for defining that they had oral care issues. One thing is not being as ideal as you want it. Another one is loosing teeth and not being able to chew food. Most 12 years old cats and dogs are able to eat without any problem, without having ever brushed their teeth once!

And 12 for them it s like 70 for us, in the wild they live 3-4 years at best! I mean. I d guess that if I wouldn t brush my teeth for a month my gums would hurt badly It s simply a matter of habit, says Professor Anne Skaare. We drink cold water and consider it more refreshing. But it actually doesn t matter whether we use cold or warm water on our teeth, says Skaare, who works at the University of Oslo s Institute of Clinical Dentistry. We have learned that warm water loosens fats and the warmer the water the cleaner we wash clothes and dishes in the cleaner they get. Why doesn t this apply to teeth? We couldn t brush out teeth with water that was hot enough to melt fats. We couldn t keep it in our mouth long enough to have any effect. Besides, toothpaste contains soap, which dissolves the fat, says Skaare. She thinks warm water would not give any clear advantages, but on the other hand neither does cold water. Our mouths are teeming with bacteria, up to 800 different kinds. They live among our teeth, in saliva and on the tongue in a closely regulated ecosystem. They attach in numbers as a film to our teeth rather than float around in our mouths.

When you brush your teeth you are disturbing the ecosystem. You scrape away some of the bacteria film with the brush and spit some of it out. But then the bacteria multiply and reattach and soon you have to brush again. Skaare says that water is not all that useful when it comes to brushing teeth. The manual brushing and the fluoride in toothpaste are what really pack a punch against the bacteria. Toothpaste as the product we know today is over 100 years old and continues to be useful in preventing cavities. Nowadays its key function is as a carrier of fluoride. The rest of the contents of toothpaste are all about cosmetics and making your mouth and breath feel clean and refreshed. The detergent dissolves food and fats. Abrasives remove discoloured coatings and plaque, making the teeth feel smoother, and the taste makes your mouth seem pleasantly fresh. The real star in a toothpaste is fluoride. The bacteria create acids which dissolve the enamel of your teeth. But fluoride repairs the injured enamel. If we use a lot of water and rinse well afterwards we are diluting the effect of the fluoride toothpaste. The fluoride should remain on your teeth to prevent the acid attacks of the bacteria, says Skaare, whose research includes tooth decay cavities or caries.

Although the professor advises against using too much water when you brush your teeth, some liquid is needed. But it doesn t matter one iota whether you use warm or cold water. She doesn t want to recommend one over the other. Warm water can contain metals [from your water heater and plumbing] but the amounts you could get through brushing are infinitesimal. You spit out most of it anyway. The professor has no figures regarding how the numbers of us who prefer warm to cold water. I m pretty sure there is research on the subject, says Skaare, whose personal preference is cold water. Dentis Gro Gjerdrum, who has a practice in downtown Oslo, chooses a middle road: Despite lacking any dental hygienic advantages, lukewarm water feels better as we get older, and the neck of a tooth gets sensitive and painful, says Gjerdrum, who personally uses lukewarm water when she brushes. They prefer to use cold water as long as it isn t painful. The motion of the bristles of the brush against the tooth surface is what does the cleansing, says Gjerdrum.

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