What causes mallet finger?
Mallet finger: A finger flexed at the DIP joint due to avulsion or rupture of extensor tendon at the base of the distal phalanx. Mallet finger occur due to forced flextion of the finger tip. Hyper- extension splint is the treatment for atleast 6-8 weeks.
Extensor tendon rupture
Bony avulsion of distal phalanx at the extensor tendon
Strain and subsequent stretching of the extensor tendon
All the above
Fracture Management