Effect of anti-biofilm glass–ionomer cement on Streptococcus mutans biofilms
Su-Ping Wang , Yang Ge , Xue-Dong Zhou , Hockin HK Xu , Michael D Weir , Ke-Ke Zhang , Hao-Hao Wang , Matthias Hannig , Stefan Rupf , Qian Li , Lei Cheng
International Journal of Oral Science ›› 2016, Vol. 8 ›› Issue (2) : 76 -83.
Effect of anti-biofilm glass–ionomer cement on Streptococcus mutans biofilms
Dental cements containing ammonium-based groups may offer improved material and antibacterial properties for restorative dentistry. Polymers carrying electrically charged chemical groups are known as ionomers and are widely used as dental cements. Unfortunately, secondary decay and fracture cause half of all repairs made using these cements to fail within 10 years. Lei Cheng of Sichuan University, China, and co-workers investigated the effect of adding the ammonium-based compound dimethylaminododecyl methacrylate (DMADDM) to ionomer cements. They identified levels of DMADDM that reduced bacterial microfilm formation and also improved the material properties of the cements. The benefits included better release of protective fluoride ions from the ionomers, good flexibility combined with strength and improved surface texture. Cements with added DMADDM could therefore help avoid secondary decay and fracture after primary decay has been repaired.
antibacterial properties / dimethylaminododecyl methacrylate / glass–ionomer cement / material performance / Streptococcus mutans biofilms
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