scholarly journals Antibacterial effect of different types of glass ionomer restorations on streptcocus mutans

2018 ◽  
Vol 64 (1) ◽  
pp. 329-334
Author(s):  
Rasha Raafat
2017 ◽  
Vol 24 (1) ◽  
pp. 23-31 ◽  
Author(s):  
Fatimah A. Nashawi ◽  
Hani Y. Abdullah ◽  
Nahlaa A. Khalifa ◽  
Ibrahim A. Alzahrani ◽  
Ahmed A. Al-Ghamdi

To evaluate the antibacterial eff ects of three types of Saudi honey (Feghra, Sider and Natural honey) alone and mixed with ginger or lemon in comparison to Manuka honey as a potential natural antibacterial agent. Saudi honeys were evaluated against five types of bacterial strains; Klebsiella pneumoniae, Staphylococcus aureus, Pseudomonas aeruginosa, Haemophilus influenzae and Streptococcus pneumoniae. Chocolate agars were prepared first with different concentrations of each type of honey, and then with specific concentrations either of ginger or lemon added to honey. Bacterial species were inoculated on each agar and incubated at 37oC in a CO2 incubator overnight. Significant differences were found between diff erent types of honey and different concentrations of the same honey on bacterial growth. There are no significant differences and synergistic effects when adding ginger to diff erent honey types. Addition of lemon show significant differences and good synergistic effects against all tested bacterial species except Klebsiella pneumoniae and Staphylococcus aureus at 15 and 20% honey concentration. In conclusion, antibacterial effects of different types of honey are type and concentration dependent. Adding lemon to the different types of honey changes the pH and acidity and increases the honey’s antibacterial effect.


2020 ◽  
Vol 32 (8) ◽  
pp. 806-814
Author(s):  
Francesco De Angelis ◽  
Camillo D'Arcangelo ◽  
Matteo Buonvivere ◽  
Giuseppe Daniele Rondoni ◽  
Mirco Vadini

2015 ◽  
Vol 18 (1) ◽  
pp. 39-48
Author(s):  
Lamia Nabil Metwally ◽  
Mokhtar Nagui Ibrahim ◽  
Omaima Hassan Ghallab

2021 ◽  
Vol 21 (2) ◽  
pp. 1032-1041
Author(s):  
Jiajie Ren ◽  
Zhen Du ◽  
Jiang Lin

In orthodontics treatment, scholars have tried to introduce nano antibacterial materials into the materials used in orthodontics to reduce the occurrence of enamel demineralization, caries and periodontitis. The experiment investigated the effect of adding titanium dioxide nanoparticles in different proportions on the flexural strength, compressive strength, surface hardness, tribological properties, adhesion properties, fluorine release properties and antibacterial properties of glass ionomer cement. The effect of water cement on orthodontics, the experiment added different proportions of titanium dioxide nanoparticles to traditional glass ion cement, which greatly improved the mechanical strength of glass ion cement, and significantly improved the antibacterial effect of glass ion cement, bending strength, compressive strength and surface hardness. The addition of titanium dioxide nanoparticles produced a significant antibacterial effect on Streptococcus mutants. Nano-TiO2 glass ionomer cement has a significant effect on orthodontics, and the damage to patients’ teeth is significantly lower, which is worthy of clinical popularization.


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