Nattrass, C The effect of environmental factors on elastomeric chain and nickel titanium coil springs. [electronic resource] - European journal of orthodontics Apr 1998 - 169-76 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0141-5387 Standard No.: 10.1093/ejo/20.2.169 doi Subjects--Topical Terms: Carbonated BeveragesCurcumaDental Stress AnalysisElasticityHumidityNickel--chemistryOrthodontic AppliancesPlant ExtractsRubber--chemistryTemperatureTitanium--chemistryViscosity