PENGARUH CAMPURAN NANOPARTIKEL TITANIUM DIOKSIDA PADA PLAT AKRILIK TERHADAP PERTUMBUHAN STREPTOCOCCUS SANGUINIS

ROLISAH, YESA and Mozartha, Martha and Putri, Sekar (2023) PENGARUH CAMPURAN NANOPARTIKEL TITANIUM DIOKSIDA PADA PLAT AKRILIK TERHADAP PERTUMBUHAN STREPTOCOCCUS SANGUINIS. Undergraduate thesis, Sriwijaya University.

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Abstract

Background: Acrylic plates on removable orthodontic appliances can be a place for plaque and food scraps to facilitate Streptococcus sanguinis microorganisms to breed. Adding nanoparticle of titanium dioxide to acrylic plate may provide antibacterial activity. Objecttive: To see effect of TiO2 nanoparticle on acrylic plate to growth of Streptococcus sanguinis. Method: This research is a laboratory experimental research used acrylic plates without the addition of TiO2 nanoparticle and with the addition of TiO2 nanoparticle of 2%, 3%, and 4% with a size 10x10x1 mm. There were 24 samples grouped in 4 groups, each consisted of 6 samples sterilized with alcohol, then soaked on saline. The sample was put in Streptococcus sanguinis suspension, and than transferred to a tube containing PBS and then seeded on MSA media. The number of growing Streptococcus sanguinis colonies is calculated in units of CFU/ml. Data were analyzed statistically by Kruskal-wallis test and followed by Post-hoc test Mann Whitney. Result: There were significant differences in acrylic plates without addition of TiO2 nanoparticle and with the addition of TiO2 nanoparticle of 2%, 3%, and 4% to reduce the growth of Streptococcus sanguinis (P<0,05). The concentration of TiO2 nanoparticle 4% was the best to reduce the growth of Streptococcus sanguinis. Concusion: TiO2 nanoparticle addition acrylic plate have effect to reduce the growth of Streptococcus sanguinis. Key word: removable orthodontic appliance, TiO2 nanoparticle, acrylic plate, Streptococcus sanguinis.

Item Type:	Thesis (Undergraduate)
Subjects:	R Medicine > RK Dentistry > RK1-715 Dentistry
Divisions:	04-Faculty of Medicine > 12201-Dentistry (S1)
Depositing User:	Yesa Rolisah
Date Deposited:	11 May 2023 02:25
Last Modified:	11 May 2023 02:25
URI:	http://repository.unsri.ac.id/id/eprint/100218

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