Management of patients with disk displacement without reduction of the temporomandibular joint by arthrocentesis alone, plus hyaluronic acid or plus platelet-rich plasma.

Background: Disk displacement without reduction (DDwoR) is one of the most common temporomandibular joint disorders (TMDs); it can manifest itself in joint pain and limited mouth opening. Nowadays, many arthrocentesis techniques are used with no consensus on which technique is optimal.

Objectives: The aim of this study was to investigate the efficacy of 3 techniques in the treatment of TMD known as DDwoR and to compare them in order to determine whether one is superior to the others.