If you have an interview coming up, you have probably already prepared for it in a lot of ways. Part of this preparation probably involves finding clean clothes that you can wear, clothes that would allow you to look as professional as possible. You should also get a haircut, find the right perfume and work on your handshake, all of which will go towards giving your future potential employer a much more favorable image of the kind of work that you would be able to do for them on a regular basis if they end up hiring you and paying you handsome salary for the tasks that you will be completing on their behalf.
That being said, one of the most important aspects of your interview that you might not have thought about yet is your smile. Smiling during your interview will make you look confident and comfortable, both of which are qualities that will make you seem like a much more valuable potential hire for the person whose company you are attempting to join at this point in time. The key to a good smile is beautiful teeth, and part of making your teeth look a bit more beautiful is trying to get them whiter than they currently are.
You should make sure that you visit a dentist in order to get your teeth looking white and beautiful. This more than anything else is what will allow you to get long lasting results, and after you have gotten your teeth cleaned up and looking truly spick and span you will find that you have a lot more energy for your interview as well. You will be able to ace the interview by answering any and all questions that your employer ends up asking you.