 Advice for Sonicare  is to use a slight angle, so longer bristles can reach between the teeth,  for 3-5 small circles in 1–2 seconds on each tooth.
<coherence>  Advice for Sonicare  is to use a slight angle, so longer bristles can reach between the teeth,  for 3-5 small circles in 1–2 seconds on each tooth.
 Advice for Sonicare is to use a slight angle, so longer bristles can reach between the teeth, for 1–2 seconds on each tooth.