A mouthguard device for use by an athlete in competition and the like, using a resilient material formed into a mouthguard and a flavor agent incorporated into the resilient material prior to formation thereof into the mouthguard. The preferred mouthguard has a two tray system that includes the flavoring agent in the tray contacting the user's taste buds. Preferred flavors are selected from citrus types such as lemon, lime, orange, and grapefruit, ginger types, berry types such as raspberry, strawberry, and blueberry, and mint types such as peppermint, spearmint, and wintergreen. Also preferred are flavoring agent includes a combination of at least two flavoring agents, and particularly wherein the combination is selected from spearmint/orange, cinnamon/clove/orange, and lemon/mint or, wherein the combination is any flavoring agent and a small amount of citrus.