Dental prostheses; dental implants; dental apparatus and instruments, namely overdentures, retention inserts, and abutments; artificial parts for teeth, namely retention inserts, abutments, and denture caps; implants for use in dentistry

DENTAL IMPLANTS, OVERDENTURE AND FIXED BRIDGE ATTACHMENT SYSTEMS COMPRISED OF DENTAL BRIDGE AND FIXATION SCREWS, DENTAL IMPLANT ABUTMENTS, DENTAL ATTACHMENT HOUSINGS, DENTAL RETENTIVE ATTACHMENTS, AND ANCILLARY HANDHELD DENTAL INSTRUMENTS SPECIALLY ADAPTED FOR THE SEATING AND REMOVAL OF DENTAL PROSTHESES