Table 1.

Scoring criteria for edema and sensitivity

Score	Parameter
	Edema	Sensitivity
0	No edema	Negative response to all the three stimuli
1	Either intraoral or extraoral edema	Positive response to any one of the three stimuli
2	Both intraoral and extraoral edema	Positive response to any two of the three stimuli
3	N/A	Positive response to all the three stimuli

N/A=Not applicable