Your child can get a FREE fluoride varnish treatment at school. With your permission, a health professional will provide a dental screening and apply a fluoride varnish treatment to health strengthen the teeth. If you have not already returned a permission form, please contact Nurse Melanie at 345-3381 or mwhited@rsu16.org.Your child can get a FREE fluoride varnish treatment at school. With your permission, a health professional will provide a dental screening and apply a fluoride varnish treatment to health strengthen the teeth. If you have not already returned a permission form, please contact Nurse Melanie at 345-3381 or mwhited@rsu16.org.