Malhotra Ritika, Singla Shilpy, Shashikiran N D
Student, Department of Pedodontics and Preventive Dentistry, People's College of Dental Sciences & Research Centre, Bhopal, Madhya Pradesh, India.
Reader, Department of Pedodontics and Preventive Dentistry, People's College of Dental Sciences & Research Centre, Bhopal, Madhya Pradesh, India.
Int J Clin Pediatr Dent. 2017 Apr-Jun;10(2):131-135. doi: 10.5005/jp-journals-10005-1422. Epub 2017 Jun 1.
The aim of the present study is to evaluate and compare antimicrobial efficacy of commercially available child's dental formulas in reduced concentrations containing different forms of fluoride against activity.
The selected dentifrices were prepared in dilutions of 1:1, 1:2, 1:4, 1:8, and 1:16 using sterile pyrogen-free distilled water. Various dilutions of the selected toothpaste slurries were incubated in the agar plate containing pure strains of S. and antimicrobial activity of each was assessed by measuring the diameter of zones of inhibition (in mm). Agar well plate diffusion method and minimum inhibitory concentration (MIC) determination were the methods used in this study. The inhibitory circle of each dentifrice was measured and MIC was achieved by considering the value of diameter of the circle.
The results of the study showed that even at a lower concentration of fluoride, inhibition halos were obtained for all the formulations at different dilutions.
The kid's formulations having lower fluoride concentration show antimicrobial activity even after dilutions. Thus, commercially, the fluoride concentrations can be further lowered down in the dentifrices, thereby reducing the risk associated with fluoride.
Malhotra R, Singla S, Shashikiran ND. Comparison ofAntimicrobial Activity of Child Formula Dentifrices at different Concentrations: An Study. Int J Clin Pediatr Dent 2017;10(2):131-135.
本研究旨在评估和比较市售儿童牙膏配方在含有不同形式氟化物的降低浓度下对[细菌名称缺失]活性的抗菌效果。
使用无菌无热原蒸馏水将所选牙膏制备成1:1、1:2、1:4、1:8和1:16的稀释液。将所选牙膏浆液的各种稀释液在含有[细菌名称缺失]纯菌株的琼脂平板中孵育,并通过测量抑菌圈直径(以毫米为单位)评估每种稀释液的抗菌活性。本研究采用琼脂孔板扩散法和最低抑菌浓度(MIC)测定法。测量每种牙膏的抑菌圈,并通过考虑抑菌圈直径的值来确定MIC。
研究结果表明,即使在较低的氟化物浓度下,所有配方在不同稀释度下均获得了抑菌圈。
氟化物浓度较低的儿童配方牙膏即使在稀释后仍具有抗菌活性。因此,在商业上,牙膏中的氟化物浓度可以进一步降低,从而降低与氟化物相关的风险。
Malhotra R, Singla S, Shashikiran ND. 不同浓度儿童配方牙膏抗菌活性的比较:一项[研究名称缺失]。《国际临床儿科牙科学杂志》2017年;10(2):131 - 135。