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How long should you brush your teeth? Here are some tips from the experts


Dentist begins introduce we should brush our teeth for two minutes in 1970s, and after this, use a toothbrush with soft bristles. However, today unite mainly based on studies published since the 1990s, looking at brushing time, technique and type of toothbrush.
These studies show that brushing for two minutes provides good (but not excellent) plaque reduction. However, while brushing for longer than two minutes has been shown to remove more plaque, there is still a lack of research This looked at whether more than two minutes of brushing was associated with better long-term oral health than two minutes.

However, based on what we know about the harmful effects of plaque overgrowth, it is likely that more plaque removal each time we brush is associated with better oral health. It’s also important to note that this lack of evidence is because long-term studies can be difficult to conduct.

When we brush our teeth, we do so with the primary purpose of removing bacteria (known as dental plaque) from the surface of our teeth. This plaque is an accumulation of bacteria, fungi and viruses living together in a community is called a microbial biofilm. Biofilms are very sticky and can only be removed by brushing.
Many things can make it easier for these bacteria to grow, including rough areas on the tooth surface (such as from some fillings), certain areas cannot be reached with a toothbrush (such as distance between teeth) or have braces. In fact, plaque biofilms re-grow on our teeth within a few hours of brushing – that’s why we recommend brushing twice a day.
Not brushing properly or not for long enough can lead to higher levels of plaque, which can eventually trigger the body’s immune response – ultimately leading to inflammation and conditions such as gingivitis. The infection is usually painless, but often causes bleeding gums when brushing and sometimes bad breath. Biolfilm can also cause Caries.

Technically correct

The purpose of brushing is to reduce plaque on each tooth as much as possible.

Current evidence suggests that spending more time brushing – up to four minutes each time you brush – resulting in cleaner teeth. This longer brushing time means we can clean our teeth more effectively and get to hard-to-reach places.
But be careful not to brush too often (such as more than twice a day) and avoid brushing too hard or using abrasive toothpastes and brushes, as this can also cause problems. damage our teeth and gums – especially when using a toothbrush with stiff bristles or an abrasive toothpaste.
There are many differences tooth brushing technique you can use to brush your teeth properly. One of the most recommended ones is Modified “Bass” technique, which aims to clean at and below the gum line – the area where plaque forms first and is most prone to infection.
You should always brush your teeth with gentle force – although it’s not yet clear exactly how difficult this is. Gentle brushing is preferred so as not to injure the hard and soft tissues in the mouth.
Many factors can affect the type of technique, brush, and toothpaste or floss you use. For example, people who may have damage to the surface of their teeth from drinking too much acid gas drink there may be weaker teeth.
This means they are vulnerable to further damage if used abrasive toothpaste and stiffer bristles. You should consult your dentist to know what brush you should use.
Clean between teeth – which most of us know simply as flossing – is also recommended along with brushing. Studies have found that both tooth decay and gingivitis can reduce by flossing.

The most effective way to floss is to slide the floss between the gum and the tooth and hold it firmly against the tooth – so that the floss “hugs it” – and rub it along the surface of the tooth in a gentle up and down motion. Gently, gently insert the floss below the gum line.

Interdental brush, which can be pushed between teeth at gum level, can be even more effective. Little is known about other cleaning aids – including toothpicks, sprinklers or tongue cleaners – and their effectiveness.

While we may be familiar with the advice that we should brush our teeth twice a day for two minutes each time, it’s also important to focus on using the right technique to make sure they’re clean. We are brushing our teeth thoroughly and properly. Brushing for longer than two minutes can also help ensure more plaque is removed from our teeth – which can lead to better oral health.

Conversation

Josefine Hirschfeld is an academic clinical lecturer in restorative dentistry at the University of Birmingham.

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