Probably. In most cases it is plaque, a hard film that forms on the enamel. A dental cleaning will remove it. If it is a stain in the enamel, it is harder to remove, but various bleaching techniques can remove it.
Well i tried the warm water, lemon juice and peroxide and it does work. Another combination to try is warm water, lemon juice, baking soda, and Clorox. It may sound crazy but if your really serious...
People who have been using cannabis heavily sometimes develop a mild physical addiction that includes withdrawal symptoms that can last several weeks. These are usually mild, and include the jitters,...