Definition: Given an abstract of a paper, generate a title for this paper such that conveys the key focus of the paper.
Input: Abstract: A complete volar dislocation of the metacarpophalangeal joint of a ring finger occurred in a 31-year-old man and was successfully treated by a closed reduction. We found only six cases of volar metacarpophalangeal joint dislocation reported in the literature all of which needed open reduction.

Complete volar metacarpophalangeal joint dislocation of a finger.