Evaluation of super-elastic open spring coils (Ni-Ti) in orthodontic applications

Author

Marinari, C. ; Borello, F. ; Bracco, P. ; Piancino, M.G. ; Puccia, V. ; Frongia, G.

Author_Institution

Mech. Div., Nat. Inst. of Metrol. Res. -INRIM, Torino, Italy

fYear

2011

fDate

30-31 May 2011

Firstpage

327

Lastpage

331

Abstract

The paper presents the main results of a measurement campaign to e valuate the mechanical characteristics of super-elastic open spring coils used in orthodontics. Several Ni-Ti open spring coils were tested in order to verify their mechanical response under planned deformations, by measuring the generated forces. A comparative anal ysis of force -displacement curves of different super elastics spring coil models was carried out in the temperature range 21.5°C to 49.0°C, to simulate their performances into the oral cavity. The results showed significant differences in comparison with manufacturer´s indications.

Keywords

biomedical materials; coils; deformation; dentistry; elasticity; nickel alloys; orthotics; titanium alloys; NiTi; deformations; force-displacement curves; mechanical response; oral cavity; orthodontics; superelastic open spring coils; temperature 21.5 degC to 49.0 degC; Coils; Force; Force measurement; Springs; Teeth; Temperature measurement; Wires; Ni-Ti alloys spring coils; forces in orthodontic; mechanical characterization;

fLanguage

English

Publisher

ieee

Conference_Titel

Medical Measurements and Applications Proceedings (MeMeA), 2011 IEEE International Workshop on

Conference_Location

Bari

Print_ISBN

978-1-4244-9336-4

Type

conf

DOI

10.1109/MeMeA.2011.5966725

Filename

5966725