ANTIBACTERIAL ACTIVITY OF SILVER NANOPARTICLES ON FIXED RETAINER ADHESIVE TOWARD TREPONEMA DENTICOLA

JESSICA SANTOSO; MARIA PURBIATI; KRISNAWATI

doi:10.22159/ijap.2019.v11s1.18123

Authors

JESSICA SANTOSO Department of Orthodontics, Faculty of Dentistry, Universitas Indonesia, Jakarta, 10430, Indonesia
MARIA PURBIATI Department of Orthodontics, Faculty of Dentistry, Universitas Indonesia, Jakarta, 10430, Indonesia
KRISNAWATI Department of Orthodontics, Faculty of Dentistry, Universitas Indonesia, Jakarta, 10430, Indonesia

DOI:

https://doi.org/10.22159/ijap.2019.v11s1.18123

Keywords:

Periodontal disease, Treponema denticola, Fixed retainer, Silver nanoparticle

Abstract

Objective: The objective of this study was to develop an antibacterial flowable composite containing silver nanoparticle (AgNP) for the prevention of
periodontal disease in fixed retainers.
Methods: About 1% AgNP was incorporated into a commercial composite (tetric flow). The experimental and control products were used to bond
fixed retainers to 28 extracted mandibular first premolars. The samples were randomly divided into four groups (n=7): Premolar bonded with
fiber-reinforced composites and tetric flow (F1); premolar bonded with fiber-reinforced composites and AgNP-enhanced tetric flow (F2); premolar
bonded with multistranded wires (MW) and tetric flow (M1); and premolar bonded with MW and AgNP-enhanced tetric flow (M2). Each sample was
submerged in a test tube containing bacterial Treponema denticola solution and was incubated for 24 h and 37°temperature. The bacterial colony in
each group was counted and analyzed.
Results: This study showed that there was significant difference of T. denticola colony count between groups with and without AgNP-enhanced
composites in both types of retainers.
Conclusion: AgNP-enhanced flowable composites reduce the bacteria T. denticola colony count and possibly inhibit periodontal disease.

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