Oxyfresh Plastic Bristle Toothbrush is the most often recommended by dentists because they are gentle on teeth and gums while being able to remove bacteria and plaque. This is a brush that is useful for both children and adults and is able to brush close to the gum without irritation. Oxyfresh Plastic Bristle Toothbrush is resistant to bacterial growth, which means that harmful bacteria is less likely to grow on your toothbrush between uses.