Meanings of other toothbrushes in English

New research has found that electric toothbrushes are the least environmentally friendly to the planet when compared with other toothbrushes.

I imagined it, saw it in my mind's eye, with the other toothbrushes in its red-and-white-spotted beaker above the bathroom sink.

The American Dental Association recommend this timeframe, but changing sooner if you've been sick recently or if you keep your toothbrush close to other toothbrushes.

I pictured it in my head, tried to find something more about it that I could describe, to set it apart from all other toothbrushes.