 Typically, therapists under the prescription of a dentist are licensed to examine children's teeth, administer some forms of local anesthesia, take radiographs, and provide sealants, scaling, and cleaning for children.They also may work in restoring primary teeth and administer vital pulp treatments such as pulpotomies.Dental hygienists are licensed dental professionals who specialize in preventive dental care and the treatment of periodontal (gum) conditions.