Table-II.

Characteristics of included studies.

Author/Year	Country	Age group (y)	Procedure	Study groups	Drug dose	Sample size	Male gender (%)	Maxillary procedures (%)	Pain scale
Massignan et al24 / 2020	Brazil	6-10	Primary molar extraction	4% articaine with 1: 100000 epinephrine (BI and LI/PI) 2% lignocaine with 1: 100000 epinephrine(BI and LI/PI)	1.8ml 1.8ml	21 22	45.8 54.2	36.4 63.6	FPS-R
Rathi et al25/ 2019	India	7-12	Primary molar extraction	4% articaine with 1: 100000 epinephrine (BI*) 2% lignocaine with 1: 80000 epinephrine (BI*)	1.7ml 1.8ml	50 50	50 50	48 52	WB-FPS
Nair et al26/ 2018	India	6-9	Primary molar extraction	4% articaine (BI) 2% lignocaine (BI) 2% lignocaine with 1: 200000 epinephrine (BI and PI)	1.8ml 1.8ml 1.8ml	15 15 15	NR NR NR	100 100 100	VAS
Jaikaria et al27/ 2018	India	5-12	Primary molar extraction	4% articaine with 1: 100000 epinephrine (BI*) 2% lignocaine with 1: 100000 epinephrine (BI*)	1.7ml 1.8ml	51 51 51	66.6	100 100	WB-FPS
Kolli et al28/ 2017	India	6-14	Primary molar extraction	4% articaine (BI) 2% lignocaine (BI) 2% lignocaine with 1: 80000 epinephrine (BI and PI)	1.7 1.7 1.7	30 30 30	50 53 47	100 100 100	FPS-R
Mittal et al29/ 2015	India	5-12	Primary molar extraction	4% articaine with 1: 100000 epinephrine (BI*) 2% lignocaine with 1: 80000 epinephrine (BI*)	1.7ml 1.8ml	52 52	69.2 61.5	100 100	WB-FPS

BI, buccal infiltration; PI, palatal infiltration; LI, lingual infiltration; FPS-R, Facial pain scale-revised; WB-FPS, Wong Baker Facial pain scale; VAS, visual analog scale

^*PI/LI given in case of failure to achieve palatal/lingual anesthesia