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Ahmedabad Health

Two minutes is enough time to brush your teeth?

by TLA October 28, 2021October 28, 2021
written by TLA October 28, 2021October 28, 2021
Two minutes is enough time to brush your teeth?

Most of us are familiar with the advice that we should brush our teeth at least twice a day and for two minutes each time.
Many of us overestimate how long we brush our teeth for — by as much as a whole minute in some cases. And yet, there’s some evidence that even two minutes of teeth brushing may not be enough. According to research, to remove as much plaque as possible more is better — with the best results at three to four minutes.
Does that mean we should double our brushing time? Dentists began recommending we should brush our teeth for two minutes in the 1970s, and later on, to use a toothbrush with soft bristles. However, today’s consensus is mostly based on studies published since the 1990s, which looked at brushing times, techniques and toothbrush type. These studies showed two minutes of brushing led to good (but not excellent) plaque reduction.
But, while brushing longer than two minutes is shown to remove more plaque, there’s still a lack of research that has looked at whether more than two minutes of brushing is linked with better long-term oral health compared with two minutes. However, based on what we know of the harms of plaque overgrowth, it’s likely that removing more of it each time we brush is linked to 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 main aim of removing microbes (known as dental plaque) from tooth surfaces. This plaque is an accumulation of bacteria, fungi and viruses that live together in a community known as a microbial biofilm. Biofilms are very sticky and can only be removed by brushing.
Many things can make it easier for these microbes to grow, including rough areas on the tooth’s surface (such as from some fillings), being unable to reach certain areas with a toothbrush (like the spaces between teeth), or having braces. In fact, plaque biofilms re-grow on our teeth within hours of brushing — which is why we’re advised to brush twice a day.
Not brushing our teeth properly or for long enough can lead to higher levels of plaque, which may ultimately activate our body’s immune response – eventually leading to inflammation and conditions such as gingivitis. Inflammation is usually not painful, but often causes bleeding gums when brushing and sometimes bad breath. Biolfilms can also cause tooth decay.
Proper technique
The aim of brushing our teeth is to reduce as much plaque on each tooth as possible. Current evidence suggests that spending more time brushing — up to four minutes each time you brush — leads to cleaner teeth. This longer brushing time means we can more effectively clean our teeth and get those hard-to-reach places. But be careful not to brush too often (such as more than two times a day) and avoid brushing hard or using abrasive toothpastes and brushes, as this can also cause damage to our teeth and gums — especially when using a toothbrush with hard bristles or abrasive toothpastes.

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