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Tensile properties of general purpose stainless steel wire formed for orthodontic use.

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dc.contributor.authorPornkiat Churnjitapiromen_US
dc.contributor.authorพรเกียรติ ชื่นจิตอภิรมย์en_US
dc.contributor.authorSurachai Dechkunakornen_US
dc.contributor.authorสุรชัย เดชคุณากรen_US
dc.contributor.authorNiwat Anuwongnukrohen_US
dc.contributor.authorนิวัต อนุวงศ์นุเคราะห์en_US
dc.contributor.correspondencePornkiat Churnjitapiromen_US
dc.contributor.correspondenceพรเกียรติ ชื่นจิตอภิรมย์en_US
dc.contributor.otherMahidol University. Faculty of Dentistry. Research Officeen_US
dc.contributor.otherMahidol University. Faculty of Dentistry. Department of Orthodonticsen_US
dc.date.accessioned2016-02-09T02:28:48Z
dc.date.accessioned2016-12-13T06:48:16Z
dc.date.available2016-02-09T02:28:48Z
dc.date.available2016-12-13T06:48:16Z
dc.date.created2016-02-02
dc.date.issued2015-09
dc.description.abstractObjective: The purpose of this study was to determine the tensile properties of type 304 general purpose round stainless steel wires (sizes 0.016", 0.018", and 0.020") before and after being formed to archwires, and to explore the applicability of type 304 general purpose round stainless steel archwires for orthodontic use. Materials and methods: Samples were divided into 2 groups: Group I – Type 304 general purpose stainless steel wires without forming and Group II – Type 304 general purpose stainless steel wires which were formed into archwires using a universal testing machine equipped with a forming device. For both sample groups, 12 wires for each of the 3 sizes: 0.016", 0.018", and 0.020" were subjected to tensile test. All specimens were tested using a universal testing machine equipped with an extensometer at gauge length 12.5 mm. The data of tensile strength, 0.2% proof stress, elongation, and elastic modulus were statistically analyzed using One-way ANOVA and Tukey’s multiple comparison test at 95% confidence interval. Results: Both as-received and after forming, the highest values of the tensile strength, 0.2% proof stress, and elastic modulus were 0.016" followed by 0.020" and 0.018", while the highest values of the elongation was 0.018" followed by 0.020" and 0.016". The 0.2% proof stress of the type 304 general purpose round stainless steel wires significantly increased after forming into archwires (p<0.05), while no significant changes in tensile strength, elongation, and elastic modulus were observed after forming into archwires (p>0.05). Conclusion: The proof stress of type 304 general purpose round stainless steel wires increased after forming into archwires. However, tensile strength, elastic modulus, and elongation were found to be unchanged. [Based on the evaluated tensile properties, tensile strength, proof stress, and elastic modulus of general purpose round stainless steel archwires in this study can be acceptable to use in orthodontic treatment, while elongation should be improved by the annealing heat treatment.]en_US
dc.identifier.citationChurnjitapirom P, Dechkunakorn S, Anuwongnukroh N. Tensile properties of general purpose stainless steel wire formed for orthodontic use. M Dent J 2015; 35: 203-7.en_US
dc.identifier.issn0125-5614 (printed)
dc.identifier.urihttps://repository.li.mahidol.ac.th/handle/20.500.14594/1003
dc.language.isoengen_US
dc.rightsMahidol Universityen_US
dc.rights.holderMahidol Universityen_US
dc.subjectArchwiresen_US
dc.subjectElastic modulusen_US
dc.subjectElongationen_US
dc.subjectOrthodonticen_US
dc.subjectStainless steelen_US
dc.subjectTensile propertiesen_US
dc.subjectOpen Access articleen_US
dc.subjectวิทยาสารทันตแพทยศาสตร์มหิดล
dc.subjectMahidol Dental Journal
dc.titleTensile properties of general purpose stainless steel wire formed for orthodontic use.en_US
dc.typeArticleen_US
dcterms.dateAccepted2015-09-01
dspace.entity.typePublication
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