Table 2 Helkimo Ai and Di index score

Subjective Helkimo index

AiO

Asymptomatic; no symptoms reported

AiI

Mild symptomatic; One of these was found; stiffness in the morning, and noise of the joint, fatigue in mastication of muscle

AiII

Severe symptomatic; Mouth movement limitation, joint locking or dislocation, pain during the mouth movement and or muscle of mastication

Objective Helkimo Di Index

 Range of mandibular movement

Normal

0

Relatively impaired

1

Impaired

5

 Temporomandibular function

Sound and deviation un reported

0

Sound or deviation more than 2 mm

1

Locking or luxation

5

 Muscles pain

No tenderness

0

Tenderness with palpation (from 1 to 3 sites)

1

Tenderness with palpation (at least 4 sites)

5

 TMJ pain

No tenderness

0

Tenderness during laterally palpation

1

Tenderness during posterior palpation

5

 Pain on mandibular movement

No pain

0

Pain on one movement

1

Pain on two or more movements

5