Dental implants; implant fixture for dental purposes; implant abutments for dental purposes; cover screws for dental purposes; pins for dental purposes; screws for dental purposes; orthodontic wires; instruments for use in prosthetic dentistry; filling instruments for dental purposes; mirrors for dentists; dental burs; dental broaches; dental operating units, namely, dental operating chairs; treatment beds for dental purposes; scalers for dental purposes; orthodontic machines and instruments ...