Dental apparatus and instruments; cleaning apparatus for dental apparatus and instruments; orthodontic articles; cleaning apparatus for orthodontic appliances and orthodontic articles; cleaning brushes for orthodontic aligners; sonic cleaning vessel for orthodontic articles and appliances; chewing roll for the teeth for orthodontic purposes; file (polisher) for orthodontic articles and appliances; picks to remove orthodontic articles and appliances from the teeth (orthodontic appliance); stri...