Comparative Evaluation of Different Numerical Pain Scales Used for Pain Estimation during Debonding of Orthodontic Brackets

Table 3

Descriptive statistics for VAS scores.

VAS score	Finger pressure	Stress relief	Elastomeric wafer	Chi square	value
Total VAS	6.59	7.49	12.23	6.34	0.043 (S)
Upper VAS	4.21	6.25	10.51	7.08	0.039 (S)
Upper right	3.47	6.53	8.41	5.08	0.08 (NS)
Upper left	4.95	5.97	12.60	9.03	0.037 (S)
Upper anterior	4.30	7.05	12.58	8.45	0.041 (S)
Upper posterior	4.67	6.75	9.34	8.32	0.032 (S)
Lower VAS	8.67	8.86	13.99	7.83	0.048 (S)
Lower right	8.64	8.33	13.34	2.24	0.02 (S)
Lower left	8.71	9.38	14.64	9.03	0.037 (S)
Lower anterior	10.56	9.26	14.23	10.23	0.033 (S)
Lower posterior	7.57	9.54	14.40	8.54	0.029 (S)

and statistically significant.