Evaluation of surface roughness of orthodontic wires by means of atomic force microscopy

Vincenzo D'Antò, Roberto Rongo, Gianluca Ametrano, Gianrico Spagnuolo, Paolo Manzo, Roberto Martina, Sergio Paduano, Rosa Vallettae

Research output: Contribution to journalArticlepeer-review


Objective: To compare the surface roughness of different orthodontic archwires. Materials and Methods: Four nickel-titanium wires (Sentalloy ®, Sentalloy® High Aesthetic, Titanium Memory ThermaTi Lite®, and Titanium Memory Esthetic®), three b-titanium wires (TMA®, Colored TMA®, and Beta Titanium®), and one stainless-steel wire (Stainless SteelH) were considered for this study. Three samples for each wire were analyzed by atomic force microscopy (AFM). Three-dimensional images were processed using Gwiddion software, and the roughness average (Ra), the root mean square (Rms), and the maximum height (Mh) values of the scanned surface profile were recorded. Statistical analysis was performed by one-way analysis of variance (ANOVA) followed by Tukey's post hoc test (P

Original languageEnglish
Pages (from-to)922-928
Number of pages7
JournalAngle Orthodontist
Issue number5
Publication statusPublished - Sep 2012


  • Atomic force microscopy
  • Orthodontic archwire
  • Surface roughness
  • Surface treatment

ASJC Scopus subject areas

  • Orthodontics


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