Table 3.

Pain score (min) of the study group of LA

Tooth and mobility	Lignocaine (5%) (I)			Bupivacaine (5%) (II)			t-Value	P-value
	No.	Mean	SD	No.	Mean	SD
Maxillary anterior grade I	9	1.22	0.67	10	2.00	2.16	1.03	0.31 NS
Maxillary anterior grade II	27	1.07	1.00	26	0.73	0.67	1.47	0.15 NS
Maxillary anterior grade III	45	0.38	0.78	34	0.32	0.68	0.32	0.75 NS
Maxillary posterior grade I	4	1.50	0.58	3	2.00	1.00	–	–
Maxillary posterior grade II	18	0.78	0.73	10	0.60	0.70	0.62	0.54 NS
Maxillary posterior grade III	22	0.14	0.35	23	0.43	0.84	1.54	0.13 NS
Mandibular anterior grade I	15	0.87	0.92	10	1.89	1.23	2.29	0.03 NS
Mandibular anterior grade II	23	0.52	0.73	34	0.88	0.77	1.77	0.08 NS
Mandibular anterior grade III	44	0.25	0.53	44	0.73	1.58	2.12	0.04 NS
Mandibular posterior grade I	1	2.00	–	3	–	–	–	–
Mandibular posterior grade II	15	0.40	0.74	22	0.91	0.87	1.79	0.07 NS
Mandibular posterior grade III	32	0.28	0.63	37	0.35	0.68	0.44	0.66 NS

Student’s t-test (unpaired)

P < 0.001 HS