They lessen the risk of damage to the posterior teeth of either jaw following a blow delivered to the inferior aspect of the mandible which causes traumatic closure of the mandible to occur. Such an impact can cause cusp fractures and tooth infractions. They lessen the risk of jaw fractures by absorbing the energy of a traumatic blow to the chin. They lessen the risk of concussion occurring subsequent to an impact to the mandible from either in front or below because full posterior translation of the condyles is prevented, reducing the level of force transmitted from the condyles to the base of the skull. They improve the confidence of players.
Athletes concentrate their efforts on the execution of their sport.
Stock mouth guards are very inexpensive and readily available. They are however least retentive, most bulky, and interfere with breathing and speech. Some authors consider them to be potentially hazardous and feel they should not be recommended. 8,9 Mouth formed mouth guards come in two types. The second type II mouth guard is the soft lined variety, that utilizes ethyl methacrylate in a more rigid shell.