Evidence of variable bacterial colonization on coloured elastomeric ligatures during orthodontic treatment: an intermodular comparative study

• Ravish Sharma ^[1] ; Kavita Sharma ^[2] ; Rajesh Sawhney ^[3]
  1. [1] Department of Orthodontics, Bhojia Dental College & Hospital, Bhud (Baddi)
  2. [2] Private Practice, Panchkula (Haryana) India
  3. [3] Professor & Head, Department of Microbiology, Rayat-Bahra Dental College & Hospital, Sahauran, Mohali (Pb.) India

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• Localización: Journal of Clinical and Experimental Dentistry, ISSN-e 1989-5488, Vol. 10, Nº. 3, 2018, págs. 271-278
• Idioma: inglés
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  • Besides, other factors, the choice of materials used as orthodontic ligatures could be one of the many tools to counter the effects of microbial adhesion, that culminates into dental ailments. Therefore, we assessed bacterial adhesion on elastomeric ligatures with special reference to coloured elastomeric rings during orthodontic treatment.

    A split mouth study, involving 240 samples of different elastomeric ligatures from forty orthodontic patients possessing good oral hygiene was carried out. The archwire was ligated to the brackets on both arches with elastomeric rings (superslick, clear transparent , blue and pink) at predetermined quadrants. After six weeks, ligatures from second premolars were removed and processed for bacterial enumeration using standard techniques. Bacterial counts were also determined for stimulated saliva samples taken at 0 and 6 weeks.

    A statistically significant difference in bacterial counts was obtained amongst different elastomeric modules used. Maximum bacterial counts were found on conventional pigmented elastomeric modules, followed by Superslick module and clear module. More number of bacteria associated with the conventional pink as compared to the conventional blue pigmented modules, however it was not statistically significant. The three bacterial genera Streptococcus Staphylococcus and Aerobic Lactobacilli adhered to elastomeric modules in following predominant pattern i.e. Conventional pink>Conventional Blue>Superslick>Clear.

    The studies evidenced colour and material dependent bacterial colonization on orthodontic modules and could be an indicator of bacterial biofilm forming potential based on surface chemistries and a clinically efficacious tool to redesign conventional and modified elastomeric rings as orthodontic ligation accessories.