These generally derive from the perspectives of; saliva production is increased during chewing and oral stimulation which can help to maintain a more adequate supply of saliva to support normal oral functioning. Also, the idea of Xylitol being a sweetener option which does not serve as fuel for oral bacteria is considered to be the healthier alternative than sucrose (table sugar), fructose, lactose, galactose products. While these considerations may not reverse any conditions in health, they are more so preventative, and do not further the consequential events such as dental caries, malodorous breath, excessive plaque and gingivitis conditions.