Choosing a good toothbrush

I have tried a multitude of toothbrushes over the years. Many of the toothbrushes available in the supermarkets are disappointing in performance. This is what I look out for:
Handle Stiffness – It is important to have a stiff handle, so that forces can be transmitted from your hand to the brush head, without loss of feel.
Bristle density – The density of bristles on the head is very important. You want a toothbrush that has densely packed bristles. If the bristle tufts are too sparse, the brush would not work efficiently.
Bristle stiffness – If the bristles are too soft, they will not clean well. If they are too hard, it hurts the gums, so you avoid pressing hard. Without sufficient pressure, you would not be able to reach deep between your teeth.
Size of toothbrush head – If the toothbrush head has sharp edges, it hurts the gums. If the head is too large, it would not be able to reach behind the wisdom teeth. If the head is too small, you waste a lot of energy covering small areas at a time.
Bristle material – You want a good quality plastic bristle that can last. Poor quality ones collapse under pressure in warm water, or lose their resilience under brushing pressure.
Handle size – A simple handle design works best. Avoid fancy handles that have stress breakers, flexible joints, or excessively large handles.
Bristle height – Choose a brush that has even bristle height. Those brushes with uneven bristle height do not work well. These uneven height bristles are purportedly designed to reach inaccessible areas. I would rather get a second toothbrush with a smaller & narrower head, to reach particularly inaccessible sites, e.g. between the teeth.

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