Table 1.

Demographic variables.

Variable	Cases	Control	Total
Gender
Male	5	2	7
Female	5	8	13
Marital status
Single	5	10	15
Married	5	0	5
Qualification
Illiterate	1	2	3
Middle	0	5	5
Intermediate	5	2	7
Bachelor	4	1	5
Use of medication to reduce pain
No	2	10	12
Pain killer	8	0	8
Oral hygiene
Poor	2	0	2
Good	7	10	17
Excellent	1	0	1
Diagnosis
Acute pulpitis	7	0	7
Chronic pulpitis	3	0	3
NK-1 stain
Negative	0	8	8
Mild	0	2	2
Moderate	6	0	6
Severe	4	0	4