ANTIBACTERIAL EFFECT OF 0.2% CHLORHEXIDINE AND 1% CHITOSAN MOUTHWASH ON BACTERIA DURING ORTHODONTIC MINISCREW USE

  • ERLINA HASRIATI Orthodontics Residency Program, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
  • HARU SETYO ANGGANI Department of Orthodontics, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
  • MARIA PURBIATI Department of Orthodontics, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.
  • ENDANG WINIATI BACHTIAR Department of Oral Biology, Faculty of Dentistry, Universitas Indonesia, Jakarta, Indonesia.

Abstract

Objective: Inflammation is one of the most common complications observed when using orthodontic miniscrews. Chlorhexidine mouthwash can be
used to prevent and reduce the degree of inflammation, but long-term use of this solution may lead to some side effects. This study sought to evaluate
the peri-miniscrew antibacterial effect of 1% chitosan, a biomaterial with antibacterial properties, relative to 0.2% chlorhexidine mouthwash.
Methods: A randomized, double-blind clinical trial was conducted at the Dental Teaching Hospital and Oral Biology Research Laboratory at the
University of Indonesia from February to June 2019. Thirty subjects (25 females and five males) were randomly assigned to rinse with 1% chitosan
(n=10), 0.2% chlorhexidine digluconate (n=10), and Aquadest (n=10) in addition to their usual oral hygiene procedure for 4 days. Peri-miniscrew
clinical inflammation signs were recorded and peri-miniscrew plaque collected before and after 4 days of rinsing. The total bacterial and red-complex
bacteria count in plaque samples were evaluated by a real-time polymerase chain reaction.
Results: Chitosan and chlorhexidine showed antibacterial activity, reducing total bacterial count around orthodontic miniscrews (p<0.05). The
antibacterial activity of chitosan on total bacteria was not significantly different from that of chlorhexidine (p≥0.05). Regarding the antibacterial
activity of chitosan on red-complex bacteria, the best result seen was a 58% bacteria count reduction in Tannerella denticola.
Conclusion: Chitosan has potential antibacterial activity and could be used in mouthwash to maintain peri-miniscrew hygiene.

Keywords: Orthodontic miniscrew, Chitosan, Chlorhexidine, Red-complex bacteria, Mouthwash

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HASRIATI, E., ANGGANI, H. S., PURBIATI, M., & BACHTIAR, E. W. (2020). ANTIBACTERIAL EFFECT OF 0.2% CHLORHEXIDINE AND 1% CHITOSAN MOUTHWASH ON BACTERIA DURING ORTHODONTIC MINISCREW USE. International Journal of Applied Pharmaceutics, 12(2), 8-12. https://doi.org/10.22159/ijap.2020.v12s2.OP-07
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