Formulation and antibacterial properties of lollipops containing of chitosan- zinc oxide nano particles on planktonic and biofilm forms of Streptococcus mutans and Lactobacillus acidophilus

含壳聚糖-氧化锌纳米颗粒的棒棒糖的配方及其对变形链球菌和嗜酸乳杆菌浮游菌和生物膜形式的抗菌性能