Table 2.

Median Scores of Pain Evaluated Using Numeric Pain Rating Scale

Participants	n	Pain Scores
		Needle Penetration		Local Anesthesia Deposition
		Median	P*	Median	P*
Group
Benzocaine	50	2	0.001	2	0.64
No Benzocaine	50	3		2
Gender
Male	49	2	<0.001	1	<0.001
Female	51	3.50		2
Fear of dental setting
Yes	19	5	<0.001	4	<0.001
No	81	3		2
Phobia of needles
Yes	4	4	0.14	4	0.2
No	96	3		2
Smoker
Yes	18	2.5	0.47	1	0.27
No	82	3		2

^*Mann-Whitney U test.