They make it sound so simple; buy the latest mouthwash, and you’ll solve all your bad breath-related problems. Each product promises to blast away all traces of bad breath instantly, for hours. But why is it that most of these...
A permanent or ‘fixed’ retainer is a piece of metal wire attached to the inner side of your teeth, usually after braces are removed. Metal wires are glued to the teeth to hold them in place so that they cannot...