- Spry Oral Mist Spray
2 piece. Rain Oral Mist is the newest part of the Spry‚Ñ¢ Dental Defense System of products. It moisturizes the gums and tissues in the mouth with safe and effective xylitol, an all-natural sweetener derived from the fibrous portions of plants. Rain Oral Mist was developed to improve overall oral health by providing nutrients which have moisturizing effects and encourage salivation. Rain has a natural spearmint flavor which helps to freshen breath and can be used as often as needed to provide soothing relief and moisture to dry or irritated mouth tissues.