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Dentists Urge People to Avoid Brushing Directly After Eating

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  • 09/06/2012 at 2:45 pm #10603
    drsushantdrsushant
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    Dentists Urge People to Avoid Brushing Directly After Eating

    Brushing too soon after eating can have devastating effects.

    This message sometimes can be misunderstood. Dentists urge people to clean their teeth and brush twice each day to prevent dental problems like tooth decay and gum disease. But research shows that brushing too soon after eating could do a great deal of harm when done repeatedly over time.

    Dentists recommend waiting at least one hour to brush after eating.

    Brushing less than 20 minutes after eating causes damage to the teeth, especially when the food or drink consumed was something sugary or acidic. The sugar and acid cause damage to the enamel, which exposes the dentin and leaves the teeth open to decay and sensitivity.

    According to information from the Academy of General Dentistry, brushing too soon after eating may push acid from food or drinks deeper inside the teeth. It then reaches the enamel and dentin, and the dental problems ensue.

    Teeth corrode faster if brushed within 30 minutes of drinking an acidic drink, according to research. Many trials indicated that when teeth are brushed anywhere from 30 to 60 minutes after consuming food or drinks that the results were similar to when brushing is done with more of a gap between eating/drinking and brushing.

            

    11/06/2012 at 4:33 pm #15599
    DrsumitraDrsumitra
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    Brushing your teeth within half an hour of eating a meal or drinking a cup of coffee could seriously damage them, dentists have warned. After drinking fizzy or acidic drinks, the acid burns into the enamel of your teeth – and the layer below the enamel, called ‘dentin’. Brushing at the ‘wrong’

    time – particularly within 20 minutes of finishing a meal – can drive the acid deeper into your teeth, corroding them far faster than they would have rotted by themselves.

    “With brushing, you could actually push the acid deeper into the enamel and the dentin,” the Daily Mail quoted Dr Howard R. Gamble, president of the Academy of General Dentistry in an interview with the New York Times, as saying. Study has shown that teeth corrode faster if they are brushed in the half hour after an acidic soft drink, which ‘stripped’ them – demineralising them.
    Volunteers wore human dentin samples in their mouths, and tested different brushing regimens. Brushing in the 20 minutes after a soft drink damaged teeth noticeably. For those who have just eaten a spicy meal, waiting an hour seems to be enough to avoid the negative effects. “However, after intra-oral periods of 30 and 60 min, wear was not significantly higher than in unbrushed controls,” the researchers said. “It is concluded that for protection of dentin surfaces at least 30 min should elapse before toothbrushing after an erosive attack,” they added.

     

            

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