Table 5.

Distribution of scores by dimension and for the total OHIP (mean ± SD)

	Before implant treatment	After implant treatment	p-value
Q1	2.7 ± 1.2	2.0 ± 1.1	0.009*
Q2	2.1 ± 1.2	1.6 ± 1.0	0.141
Q3	2.2 ± 1.0	1.8 ± 1.0	0.183
Q4	3.6 ± 1.2	3.3 ± 1.4	0.490
Q5	3.3 ± 1.2	2.8 ± 1.4	0.127
Q6	2.9 ± 1.2	2.6 ± 1.2	0.176
Q7	2.6 ± 1.2	2.1 ± 1.0	0.101
Q8	2.4 ± 1.1	1.9 ± 0.9	0.048*
Q9	2.2 ± 1.1	1.9 ± 1.0	0.385
Q10	3.0 ± 1.0	2.3 ± 1.1	0.003*
Q11	1.8 ± 1.0	1.4 ± 0.6	0.034*
Q12	1.8 ± 1.0	1.3 ± 0.6	0.016*
Q13	2.5 ± 1.2	1.8 ± 0.9	0.006*
Q14	1.6 ± 0.8	1.3 ± 0.6	0.036*
Overall OHIP score	34.6 ± 11.4	28.2 ± 9.7	0.020*

*p < 0.05 compared to the scores before implant treatment by Mann–Whitney U test