Older's classification

Older's classification is a system of categorizing Colles' fractures. In the Older's classification system there are four types of fractures.

Classification

Type 1: Dorsal angulation up to five degrees, radial length distal to ulna at least 7 mm.
Type 2: Dorsal angulation, radial length 1 to 7 mm, no comminution.
Type 3: Dorsal radius comminuted, radial length less than 4 mm, distal fragment slightly comminuted.
Type 4: Marked comminution, radial length usually negative.

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