Final answer:
Proximal 1/3 scaphoid fractures are best treated through a surgical approach called open reduction and internal fixation (ORIF).
Step-by-step explanation:
Proximal 1/3 scaphoid fractures are best treated through a surgical approach called open reduction and internal fixation (ORIF). This involves making an incision in the wrist area to access the fracture, realigning the broken bone fragments, and using screws or other devices to hold them in place during the healing process.