Table 1.

Clinical parameter criteria.

Plaque index
Score 0	No plaque
Score 1	Up to 25% plaque accumulation on the tooth surface
Score 2	25–50% plaque accumulation on the tooth surface
Score 3	>50% plaque accumulation on the tooth surface
Gingival index
Score 0	No inflammation and healthy periodontium
Score 1	Mild inflammation, slight change in color, slight edema, and no bleeding on probing
Score 2	Moderate inflammation, moderate change in color and consistency, and bleeding on probing
Score 3	Severe inflammation, marked redness, hypertrophy, ulceration, and spontaneous bleeding
Mobility index
Score 0	Normal physiology <0.2 mm
Score 1	Slightly mobile (bucco-lingual direction)
Score 2	Moderate mobility (bucco-lingual and mesio-distal direction)
Score 3	Severe mobility (bucclingual, mesio-distal and vertical direction)