A prospective cohort study assessing the appearance of retrieved aesthetic orthodontic archwires

作者：Collier S.; Pandis N.; Johal A.; Qureshi U.; Sharma P. K.; Fleming P. S.

来源：Orthodontics and Craniofacial Research, 2018, 21(1): 27-32.

DOI：10.1111/ocr.12207

• aesthetics
• archwire
• perceptions

Structured Abstract
ObjectivesTo investigate the appearance of three esthetic nickel titanium (NiTi) wires after 6weeks of intra-oral cycling and to determine the association between objective and subjective measures of esthetics.
Setting and Sample PopulationA prospective cohort study was undertaken involving participants undergoing upper fixed orthodontic appliance treatment with ceramic brackets.
Materials and MethodsFifty participants were assigned to one of three groups of NiTi esthetic wires (American Orthodontics Ever White, Forestadent Biocosmetic and GAC High Aesthetic), with wires retrieved after 6weeks in situ. Participants completed a bespoke questionnaire exploring perceptions of wire esthetics. Objective measurement of coating loss was undertaken using a custom arch wire jig.
ResultsAmerican Orthodontics Ever White had the greatest mean coating loss (50.7%) followed by Forestadent Biocosmetic (6%), with GAC High Aesthetic TM undergoing minimal loss (0.07%) (P<.001). The majority of coating loss with the American Orthodontics Ever White wires arose in the anterior region while Forestadent Biocosmetic wires and GAC High Aesthetic wires exhibited coating loss posteriorly (P<.001). These findings were reflected in the subjective assessment with a negative correlation found between coating loss and final Visual Analogue Scale scores (P<.001).
ConclusionsConsiderable esthetic variation between arch wires following 6weeks of intraoral cycling was identified in this prospective cohort study. Intraoral cycling has a negative impact on participant perception of arch wire esthetics, and objective and subjective assessment of wire esthetics appears to be consistent.

• 出版日期2018-2