经常嚼口香糖可以增加唾液分泌,从而更好地清洁口腔与牙齿,减少牙菌斑点的形成。并且在反复进行咬合动作时,颌骨、咬肌和牙齿都可以得到充分锻炼,对于牙周健康十分有益。美国的研究人员也发现,如果每天咀嚼口香糖一刻钟左右,将会产生美容的功效。同时咀嚼后可以增加唾液的分泌,减少唾液酸度,因此还有助于预防龋齿。但瑞士科学家的一项研究发现,经常嚼口香糖会损坏口腔中用于补牙的物质,使其中的汞合金释放出来,造成血液、尿液中的水银含 Regular chewing gum can increase saliva secretion, so as to better clean the mouth and teeth, reduce the formation of dental plaque. And in the repeated bite action, jaw, masseter and teeth can be fully exercise, for periodontal health is very useful. American researchers also found that if you chew chewing gum every day for about a quarter of an hour, it will have a cosmetic effect. At the same time chewing can increase saliva secretion, reduce sialic acidity, it also helps prevent dental caries. However, a Swiss scientist study found that regular chewing gum can damage the oral cavity of the material used to fill the teeth, so that the release of amalgam, causing blood, urine mercury in the