【英文标准名称】:StandardTestMethodforObjectiveMeasurementofGingivalColorUsingDigitalStillCameras
【原文标准名称】:用数字照相机测量齿龈客观颜色的标准试验方法
【标准号】:ASTME2545-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E12.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:颜色;数字照相机;测量;客观的;摄影设备;测试
【英文主题词】:colorimetry;digitalcamera;digitalcolorimetry;DSC;gingivalcolor;gingivitis
【摘要】:1.1Thistestmethodcoverstheprocedure,instrumentalrequirements,standardizationprocedures,materialstandards,measurementprocedures,andparametersnecessarytomakeprecisemeasurementsofgingivalcolor.Inparticularitismeanttomeasurethecolorofgingivainhumansubjects.1.2Digitalimagesareusedtoevaluategingivalcoloronthefaciallabialorbuccalsurfacesofthegingiva.Themarginalgingivaltissueadjacenttonaturalteethmaybeofparticularinterestforanalysis.Allothernon-relevantparts;suchasteeth,tongue,spaces,dentalrestorationsorprostheses,etc.,mustbeseparatedfromthemeasurementandtheanalysis.Alllocalizeddiscoloration;suchasstains,inclusions,pigmentations,etc.,maybeseparatedfromthemeasurementandtheanalysis.1.2.1Thebroadbandreflectancefactorsofgingivaandthesurroundingtissuearemeasured.Thecolorimetricmeasurementisperformedusinganilluminator(s)thatprovidescontrolledilluminationonthegingivausingadigitalstillcameratocapturethedigitalimage.1.3Dataacquiredusingthistestmethodmaybeusedtoassesspersonalgingivalcolorforthepurposesofidentifyingoverallhealthstatus,healthstatusatspecificsitesinthemouth,ortotrackchangesinpersonalhealthstatusforindividualsovertime.Pooleddatamaybeusedtoassessgingivalcolor,healthanddiseaseamongpopulationsinepidemiologicalsurveys,evaluationofcomparativeproductefficacy,orsafetyandtreatmentresponseinclinicaltrialsinvolvinggingivalhealthordisease.1.4Theapparatus,measurementprocedure,anddataanalysistechniquearegeneric,sothataspecificapparatus,measurementprocedure,ordataanalysistechniquemaynotbeexcluded.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N46
【国际标准分类号】:37_040_10
【页数】:10P.;A4
【正文语种】: