The efficacy of these concentrations was compared with
a Thy–Car mixture formulated as a mouth rinse and gel treatments in 11 children. Saliva was collected
after a single application of the antimicrobial treatment to establish effectiveness against MS. Both rinse
(p < 0.001) and gel (p = 0.02) formulations produced significant MS reduction. Mouth rinse concentrations
above 0.8% were associated with a transient intra-oral burning sensation. In conclusion, mouth rinse and
gel LSO formulations demonstrated effectiveness against MS and good acceptance among children. We
suggest future randomized clinical trials to test its effectiveness against early childhood caries