In a survey 7 out of 8 dentists recommend a ProTooth toothbrush. Based on this information, which can the toothbrush company predict about it's recommendations

The consensus recommendation is for people to brush their teeth for two minutes twice a day with a toothbrush that has soft bristles.

Replace toothbrushes every three to four months or more often if the bristles are visibly matted or frayed.

Either manual or powered toothbrushes can be used effectively.