Dentures; Dental implants; Implant bridges for dental purposes; Medical devices and apparatus, namely, surgical implants comprised primarily of artificial material and also incorporating processed animal tissue for use in plastic reconstructive surgery, and repair, reinforcement or buttressing of soft tissue, and parts and fittings therefor; Medical imaging apparatus for diagnosing medical conditions, use in surgical procedures, etc.; Medical imaging apparatus for diagnosing medical conditions, use in surgical procedures, etc. incorporating recorded operating system software; Medical imaging apparatus for ., diagnosing medical conditions, use in surgical procedures, etc. incorporating recorded software for indicate function or purpose of software; Surgical and medical apparatus and instruments for use in spinal, general, orthopedic surgery; Surgical apparatus and instruments for dental use; Surgical apparatus and instruments for medical use; Surgical implants comprised of artificial materials; Surgical implants comprising artificial material; Teeth aligners