Boutonniere Deformity Effectiveness of Thermoplastic and Fabricated Orthoses

The use of the author's orthosis is aimed at correcting the anatomical alignment of the MP (metacarpophalangeal) joints, IP (interphalangeal) by properly tensioning the central extensor band and the lateral bands of the thumb's extensor apparatus. It should significantly increase the mobility of the hand in connection with improving hand grip and reducing pain.