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1Principles

Nonoperative treatment can produce excellent results, with near-normal range of motion, due to bone remodelling, even in the...

Nonoperative treatment (splinting)

Nonoperative treatment can produce excellent results, with near-normal range of motion, due to bone remodelling, even in the presence of persisting fragment displacement.
Nonoperative treatment is based on immobilization of the DIP joint in extension, leaving the PIP joint free.

Duration of immobilization
The DIP joint should be immobilized in extension for 8 weeks. It must be impressed on the patient that splintage should be uninterrupted during this period.
It must be kept in mind that the vascularity of this area is precarious, even in healthy patients, and healing is slow. Any shorter period of immobilization risks re-rupture. Joint stiffness is unusual after these injuries.

Result
Frequently, patients may complain of a dorsal prominence, and of loss of the last 10-20 degrees of extension of the DIP joint. Dorsal tenderness rarely persists for more than a month or so after removal of the splint.