Designation:F697–00AnAmericanNationalStandardStandardPracticeforCareandUseofAthleticMouthProtectors1ThisstandardisissuedunderthefixeddesignationF697;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthecareanduseofintraoralmouthprotectorsasprotectiveequipmentforsports.1.2Mouthprotectors,asdescribedherein,refertoeitherTypeI,TypeII,orTypeIIImouthprotectorsasclassifiedinSection3.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Terminology2.1DefinitionsofTermsSpecifictoThisStandard:2.1.1mouthprotector—aresilientdeviceorapplianceplacedinsidethemouth(orinsideandoutside),toreducemouthinjuries,particularlytoteethandsurroundingstructures.3.Classification3.1Mouthprotectorscoveredbythispracticeshallbeofthefollowingtypesandclasses:3.1.1TypeI—ThermoplasticType:3.1.1.1Class1—Vacuum-formed.3.1.1.2Class2—Mouth-formed.3.1.2TypeII—ThermosettingType:3.1.2.1Class1—Mouth-formed.3.1.3TypeIII—Stocktype.4.SignificanceandUse4.1Intra-oralmouthprotectorshavebeenfoundusableandeffectiveinallphysicalsportsactivitieswheremouthhazardexists.4.2Considerableevidenceindicatesthattheuseofmouthprotectorsreducesforceswhichcauseconcussions,neckinju-ries,andjawfractures.25.DesignConsiderations5.1Formaximumprotection,cushioning,andretention(thatis,toreducethechanceofdislodgement),theprotectorshouldcoveralltheremainingteethofonearch,customarilytheupper,lessthethirdmolar(exceptwithaprognathiclowerjaw).Researchshowsthataproperlyfittedandshapedmouthprotectoressentiallyeliminatesbreathinginterferences.5.2Theimprintoftheopposingarchisseldomrecom-mended,sinceitisdifficulttoattainits...