Discoloration of aesthetic bracket by mouth washes

Abstract EN

Background : The present study aimed to determine the influence of the different types of mouth wash on discoloration of different orthodontic ceramic, sapphire brackets and adhesives.

Materials and methods : The sample composed of 120 ceramic brackets and 120 sapphire brackets, the brackets were divided according to bond material into three groups of 40 brackets include unbounded brackets, chemically cured (no-mix) bonded brackets and Light cured bonded brackets all these groups were further subdivided according to mouth wash type into three groups with 10 brackets each which include; Listerine, cetrimide, chlorhexidine 0.2 %, and one control group which immersed in artificial saliva ; then Staining measurements were performed with UV-Visible spectrophotometer.

Results and conclusions : all types of mouth wash cause staining, this effect was higher in ceramic than sapphire bracket and for no-mix than light cure bond bracket complex ; the amount of staining low in Listerine, intermediate in cetrimide, high in chlorhexidine for all bracket-bond complex.