"They are comfortable to use and will change colour to yellow when it's time to change your brush! Overall a great little powerful toothbrush head!" 
 "These toothbrush heads can get into difficult places to clean so much better than traditional toothbrushes" 
 "This is my fourth or fifth oral B hing the 6000 is great appears expensive but you get what you pay for" 
 "I love my electric toothbrush my mouth feels clean and teeth are healthy"