3-5 yr rare

12-19 yr most common

Headache มักเกิดก่อน jaw pain

Common occurrence in childhood

Falling, chin trauma, motor vehicle accidents, sport, physical abuse, forceful intubation, third molar extraction

Mandibular fracture: Unilateral/Bilateral Lateral intracapsular or condylar fracture

Whiplash injury

Closed reduction and prolonged immobilization

Parafunction habit: Bruxism, clenching, hyperextension

Repetitive stain: Playing wind instrument, fingernail biting

Skeletal anterior open bite

Steep articular eminence of the temporal bone

Overjet greater than 6-7 mm

Class III malocclusion

Unilateral posterior crossbite

Posterior crossbite

Somatization, anxiety, obsessive-compulsive feeling, psychologic stress

Emotional stress, clenching, bruxism

Diffuculty

Connective tissue diseases

Joint mobility

Pathologic hyperplasia

Estrogen hormone

History taking

Clinical and Physical examination

TMJ imaging

Pain

Headache

TMJ sound

TMJ locking

Ear pain

trigeminal neuralgia

central nervous system lesions

odontogenic pain

sinus pain

otological pain

developmental abnormalities

neoplasias

parotid diseases

vascular diseases

myofascial pain

cervical muscle dysfunction

Eagle’s syndrome

Other common medical conditions

TMJ disorder

Mastcatory disorder

restoration of function decreased pain, decreased aggravating or contributing factors, and improved quality of life

Conservative and reversible therapy

Patient education

Physical therapy ex. jaw excercise, thermal/coolant tx

Behavior therapy ex. relaxing trainning, เลี่ยง habit ที่ทำให้เกิด

Prescirption medication: NASAID, Anxiolytic agent, muscle relaxer

Occlusal splint: hard/soft

Others: nerve block, acupunture, botox

Occlusal adjustment

Orthodontic

Surgery

attrition

headace

TMD

soreness of masticatory muscle

self-limiting and does not persist in adults