A probiotic formulation includes the following: lactobacillus acidophilus comprising 15.0% to 40.0% per mass of the probiotic formulation； lactobacillus reuteri comprising 5.0% to 20.0% per mass of the probiotic formulation； lactobacillus salivarius comprising 5.0% to 20.0% per mass of the probiotic formulation； lactobacillus paracasei comprising 5.0% to 20.0% per mass of the probiotic formulation； streptococcus thermophiles comprising 5.0% to 20.0% per mass of the probiotic formulation； streptococcus salivarius BLIS K-12 comprising 5.0% to 30.0% per mass of the probiotic formulation； streptococcus salivarius BLIS M-18 comprising 5.0% to 30.0% per mass of the probiotic formulation； zinc oxide comprising 0.2% to 5.0% per mass of the probiotic formulation； hydroxyapatite comprising 0.1% to 25.0% per mass of the probiotic formulation； and dicalcium phosphate comprising 0.1% to 5.0% per mass of the probiotic formulation. The probiotic formulation may be formed into a lozenge or a gum.
