The occlusal condition
Trauma to local tissues
Emotional stress Etiology
Deep pain input
Parafunctional activity
Group I: muscle (myofascial pain)
characterized by muscle tenderness on
palpation.
Group II: disc displacements with and without
Final diagnosis falls into one of three
reduction characterized by clicking (with
categories:
Diagnosis
reduction) and locking (without reduction).
• Arthrosis, characterized by crepitus (non-
inflammatory degenerative condition) Group III: TMJ pain and degeneration:
arthralgia (joint stiffness), characterized by
• Arthritis, characterized by crepitus and local TMJ tenderness
local TMJ tenderness.
Trauma to local tissues
Emotional stress Etiology
Deep pain input
Parafunctional activity
Group I: muscle (myofascial pain)
characterized by muscle tenderness on
palpation.
Group II: disc displacements with and without
Final diagnosis falls into one of three
reduction characterized by clicking (with
categories:
Diagnosis
reduction) and locking (without reduction).
• Arthrosis, characterized by crepitus (non-
inflammatory degenerative condition) Group III: TMJ pain and degeneration:
arthralgia (joint stiffness), characterized by
• Arthritis, characterized by crepitus and local TMJ tenderness
local TMJ tenderness.
