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Brush heads are medium
Sorry, there was a problem. Please try again later.It does not specifically state what firmness the bristles are, but I can only use a soft bristle toothbrush because a medium can cause my gums to bleed almost right away. These brush heads have not caused any bleeding after over two weeks of use.
Sorry, there was a problem. Please try again later.they are medium brushes but they are perfect. i usually use soft brushes but this brush is perfect.
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