Preventive Therapy of White Spot Lesions Using Different Remineralizing Agents in Children From 3 to 12 Years Old

"Participants in all groups will receive written oral hygiene and oral prophylaxis instructions. All groups will receive the application of fluorine varnish every 3 months.~The application of fluoride in the three groups will be done as follows:~-Drying of the teeth, placement of the fluorine varnish on the teeth by quadrants. The varnish will be left to dry for a few seconds according to the manufacturer's instructions. Children in all groups will be asked to avoid brushing and flossing for one day after applying fluoride. They will be instructed to avoid hard food and hot drinks for 4 hours. Children and parents will be instructed on how to care for their teeth at home: brush teeth with conventional toothpaste containing 1000 ppm sodium fluoride, for 3 minutes without rinsing.~In the following reviews (3 and 6 months) the effectiveness of the treatments will be evaluated by visual examination, tactile examination, fluorescence and photography."