Table 1.

Responses of study participants against questions of different categories of OHIP-14 questionnaire for three assessment durations in the form of mean (SD)

	Functional limitation Mean (SD)	Physical pain Mean (SD)	Psychological discomfort Mean (SD)	Physical disability Mean (SD)	Psychological disability Mean (SD)	Social disability Mean (SD)	Handicap Mean (SD)
Categories
Before	2.1 (1.3)x	3.1 (1.5)x	3.2 (1.7)x	2.6 (1.7)x	3.0 (1.7)x	1.8 (1.3)x	1.7 (1.3)x
1 month after	1.5 (0.8)xy	1.4 (0.6)y	1.5 (0.7)y	1.3 (0.6)y	1.4 (0.8)y	1.1 (0.1)y	1.1 (0.1)y
3 months after	1.4 (0.9)y	1.2 (0.4)y	1.1 (0.3)y	1.1 (0.1)y	1.1 (0.3)y	1.1 (0.1)y	1.1 (0.1)y
P	0.0236	<0.0001*	<0.0001*	<0.0001*	<0.0001*	0.0002*	0.0005*

Different letters at superscript indicated statistically significant observations, while similar letters at superscript indicate statistically non-significant observations. *Represents statistically significant