Lozenges for oral hygiene With nupure probadent you can easily support your oral hygiene. With just one lozenge a day you supply your oral cavity with the lactic acid bacteria Lactobacillus salivarius Oral S1. Lactobacillus salivarius Oral S1 can help to support the balance in favor of the beneficial bacteria. While using mouthwashes also kills beneficial bacteria, nupure probadent supports oral hygiene with lactic acid bacteria. In addition, nupure probadent contains vitamin D3. Vitamin D contributes to the maintenance of normal teeth.