10-Raisins
While raisins may seem detrimental to oral health due to their sticky appearance and sweet taste, the opposite may in fact be true. WebMD cites a study in which researchers found certain phytochemicals found in raisins appear to actually fight bacteria in the mouth that causes cavities and gum disease. Raisins also don’t contain sucrose, which many experts believe to be the main cause of some oral diseases.