dental implants; implant abutments for dental purposes; sleeve screws specially adapted for use with dental implants; dental caps; dental clips for securing pre-existing dentures; dental screws specially adapted for use with dental implants; kits comprised of dental implants, implant abutments, and instruments for placing dental implants; kits comprised of dental instruments, namely, drills, drill stoppers, drill extensions, ratchet wrenches, torque wrenches, wrench adapters, wrench connector...