【英文标准名称】:Materials,finishandtestingofmedicalinstruments;chiselsandgouges,bonecurettes
【原文标准名称】:医疗器械材料、精加工和检验.医用凿子.半圆凿和骨刮匙
【标准号】:DIN58298-10-1983
【标准状态】:作废
【国别】:德国
【发布日期】:1983-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:外科学;材料;凿子;手术圆凿;设计;仪器;医学;作标记;医学科学;骨凿;刮器;医疗器械;匙
【英文主题词】:medicalsciences;osteotomes;surgicalgouges;instruments;surgery;design;picks;project;curettes;materials;chisels;medicine;instrument;substance;medicalinstruments;marking;spoons
【摘要】:
【中国标准分类号】:C35
【国际标准分类号】:11_040_30
【页数】:3P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforColorimetryofTeethUsingDigitalStillCameraTechnology
【原文标准名称】:利用数字静态摄影机实现牙齿比色法的标准试验方法
【标准号】:ASTME2466-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:比色法;数码相机;静态摄影机;工艺学;齿;试验
【英文主题词】:colorimetry;DSC;digitalcamera;digital;teeth;whiteness;whitening
【摘要】:1.1Thistestmethodcoverstheprocedure,instrumentalrequirements,standardizationprocedures,materialstandards,measurementprocedures,andparametersnecessarytomakeprecisemeasurementsofin-vivotoothcolorandtoothwhiteness.Inparticularitismeanttomeasurethecolorofteethinselectedhumansubjects.1.2Digitalimagesareusedtoevaluatetoothcolorofbothposteriorandanteriordentition(teeth).Allothernon-relevantparts,suchasgums,spaces,etc.,mustbeseparatedfromthemeasurementandtheanalysis.Alllocalizeddiscoloration;suchasstains,inclusions,etc.,maybeseparatedfromthemeasurementandtheanalysis.1.3Thebroadbandreflectancefactorsofteetharemeasured.Thecolorimetricmeasurementisperformedwithadigitalstillcamerawhileusinganilluminator(s)thatprovidescontrolledilluminationontheteeth.ThemeasureddatafromadigitalimagearecapturedusingaDSC.Thistestmethodisparticularlyusefulforthegamutoftoothcolorwhichis:1.3.1CIEL*from55to95,1.3.2CIEa*from3to12,1.3.3CIEb*from8to25units.1.4Thewavelengthsforthistestmethodincludethatportionofthevisiblespectrumfrom400to700nm.1.5Dataacquiredusingthistestmethodisforcomparativepurposesusedduringclinicaltrialsorothertypesofresearch.1.6Thistestmethodisdesignedtoencompassnaturalteeth,artificialteeth,restorations,andshadeguides.Note1Thisproceduremaynotbeapplicableforalltypesofdentalwork.1.7Theapparatus,measurementprocedure,dataanalysistechniquearegeneric,sothataspecificapparatus,measurementprocedure,ordataanalysistechniquemaynotbeexcluded.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C33
【国际标准分类号】:11_060_01
【页数】:13P.;A4
【正文语种】: