Cytotoxicity effect of orthodontic miniscrew-implant in different types of mouthwash: An in-vitro study

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Abstract

CONTEXT: Orthodontic miniscrew implants (OMIs) are widely used as anchorage alternatives, but recent studies revealed the corrosion behavior of OMIs when they come in contact with mouthwashes. The corrosion materials that are released can cause toxicity, allergy, and mutagenicity. AIMS: This study aims to analyze the cytotoxicity effects of OMIs exposed to different types of mouthwash using human gingival fibroblast (HGFs). SETTINGS AND DESIGN: Experimental laboratory research. METHODS AND MATERIAL: Twenty-eight samples of Ti alloy OMIs immersed separately in four groups of different types of mouthwash (chlorhexidine gluconate 0.2% mouthwash (CHX), fluoridated (sodium fluoride 0.2%) mouthwash, chitosan mouthwash 1.5%, and aquadest) for 28 d. Elution of each group and the mouthwash itself were added to the cell culture and incubated for 24 h. Changes in cell viability were performed by MTT Assay. STATISTICAL ANALYSIS USED: Data were tested for normality with Shapiro-Wilk, homogeneity with Levene test, and analyzed using an independent T-test (P < 0.05). RESULTS: The differences between the cytotoxicity of the elution of MIO and the mouthwash solution itself in the group of CHX and Fluoride were statistically significant (P < 0.05). No significant differences were found in the group of chitosan and aquadest (P > 0.05). CONCLUSIONS: The 1.5% chitosan mouthwash can be offered to patients with Ti alloy-based OMIs rather than the 0.2% chlorhexidine gluconate and 0.2% sodium fluoride mouthwashes.

Original languageEnglish
Pages (from-to)5
Number of pages1
JournalJournal of Orthodontic Science
Volume11
Issue number1
DOIs
Publication statusPublished - 1 Jan 2022

Keywords

  • Chitosan
  • chlorhexidine
  • cytotoxicity
  • mouthwash
  • orthodontic mini-implant
  • Ti alloy

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