1.1 本规程涵盖口腔内护齿器作为运动防护设备的护理和使用。护嘴器包括通常所说的护嘴器。 1.2 如本文所述，口腔保护器是指第节中分类的I型、II型或III型口腔保护器 3. . 1.3 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 ====意义和用途====== 4.1 口腔内口腔保护器在所有存在口腔危害的体育活动中都是可用且有效的。 4.2 大量证据表明，使用口腔保护器可以减少对牙列的作用力，并可能减轻口面部损伤。

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. ====== Significance And Use ====== 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.