Formerly under the jurisdiction of Committee F08 on Sports Equipment, Playing Surfaces, and Facilities, this practice was withdrawn in July 2025 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

4.1 Intra-oral mouth protectors have been found usable and effective in all physical sports activities where mouth hazard exists.

4.2 Considerable evidence indicates that the use of mouth protectors reduces forces on dentition and can potentially mitigate orofacial injuries.

1.1 This practice covers the care and use of intraoral mouth protectors as protective equipment for sports. Mouth protectors includes what are commonly termed mouth guards.

1.2 Mouth protectors, as described herein, refer to either Type I, Type II, or Type III mouth protectors as classified in Section 3.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.