To dream that you have rotten or decaying teeth, forewarns that your health and/or business is in jeopardy. You may have uttered some false or foul words and those words are coming back to haunt you. To dream that your teeth is gleaming, signifies happiness and fulfilled wishes. To dream that you are brushing your teeth, signifies your level of confidence, struggles and aggressiveness. You need to look out for yourself and your own interest. Perhaps, you feel that your standing or position is shaky. For an in depth analysis, click on Common Dreams: Teeth