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Teeth brushing techniques by dental advisers inconsistent and confusing

Inconsistency of advice from dentists, dental associations and tooth paste companies about brushing teeth including what method to use, how often to brush and for how long is causing confusion for toothbrush users.

A recent study by Epidemiology & Public Health at University College of London found there was no clear consensus between entities that are providing teeth brushing advice that is causing the confusion.
According to Aubrey Sheiham, Emeritus Professor of Dental Health at UCL

If people hear one thing from a dental association, another from a toothbrush company and something else from their dentists, no wonder they are confused about how to brush. In this study we found an unacceptably inconsistent array of advice from different sources.

The UCL News study reports that

...the most commonly-recommended techniques involves gently jiggling the brush back and forth in small motions, with the intention of shaking loose any food particles, plaques and bacteria. However this is just one of the conflicting advices given out.

However Professor Sheiham advises

Brush gently with a simple horizontal scrubbing motion, with the brush at a forty-five degree angle to get to the dental plaque. To avoid brushing too hard, hold the brush with a pencil grip rather than a fist. This simple method is perfectly effective at keeping your gums healthy.

The conclusion of the study indicates that better research into what the easiest to learn, most effective and safest way to brush is needed to resolve the conflicting advice being provided to toothbrush users.