Medical Breakthroughs
Should you go with a big head or a small one, soft bristles or hard, manual or electric? ... They found that electric toothbrushes that provide a#39;rotation ac oscillationa#39; - in which the toothbrush spins in one ... compared with manual brushing and outperformed other powered brushes such as Interplak and Philips Sonicare as well.
| Title | : | Medical Breakthroughs |
| Author | : | Reader's Diges |
| Publisher | : | - 2004-03-01 |
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