Inclusion Criteria:  Age fifty years or older Isolated carpometacarpal (trapeziometacarpal) osteoarthritis Failure to respond to non-operative management Willing and able to consent on their own behalf and follow the protocol and clinical visits as described Able to read and understand English or have interpreter available  Exclusion Criteria:  Previous surgery for CMC arthritis Duration of symptoms for less than 6 months Greater than or equal to 30 degrees of ipsilateral metacarpophalangeal (MCP) hyperextension Scaphotrapeziotrapezoidal (stage 4 CMC) arthritis Other significant ipsilateral wrist or hand pathology A history of inflammatory arthropathy A requirement for concomitant surgery for another condition Any previous hand or wrist fracture Likely problems, in the judgement of the investigators, with maintaining follow-up (i.e. patients with no fixed address, not mentally competent to give consent, intellectually challenged patients without adequate support, etc.)