Tooth picker is very essential to remove any material from your teeth gap after a food. But while using it, be cautious since the sharp edge may sometimes harm your mouth or teeth gums.Never drink highly chilled liquid items. It is very harmful to your teeth if you drink any liquid items like water, cool drinks which are highly chilled. It will cause pain to your teeth and persons who have this habit over a period of time will get permanent toothache problems. Always drink in a mild chill condition only.