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. 2021 Aug 26;17(1):451–458. doi: 10.1016/j.jds.2021.07.026

Table 2.

Demographic and oral hygiene information obtained from the study questionnaire.

Group Characteristic Control
FOAs
Total
(n=7) % (n=9) % (n=16) %
Gender
Female 4 57.1 8 88.9 12 75.0
Male
3
42.9
1
11.1
4
25.0
Ethnicity
Hispanic 5 71.4 8 88.9 13 81.3
Non-Hispanic
2
28.6
1
11.1
3
18.7
Age (years)

11.9 (± 1.3)
12.9 (± 1.6)
12.4 (±1.5)
DMFT index

0.3 (± 0.5)
0.1 (± 0.3)
0.2 (± 0.4)
Orthodontic appliances period (months)


15.4 (±5.8)

Professional dental cleaning frequency
None 0 0.0 0 0.0 0 0.0
Once a year 1 14.3 1 11.1 2 12.5
More than once a year
6
85.7
8
88.9
14
87.5
Tooth brushing frequency
Not brushing 0 0.0 0 0.0 0 0.0
Once a day 0 0.0 0 0.0 0 0.0
More than once per day
7
100.0
9
100.0
16
100.0
Flossing frequency
Not flossing 1 14.3 2 22.2 3 18.8
Less than once per day 2 28.6 4 44.4 6 37.5
Once per day 3 42.9 3 33.3 6 37.5
More than once per day
1
14.3
0
0.0
1
6.3
Mouthrinse use frequency
Not using mouthrinse 2 28.6 6 66.7 8 50.0
Less than once per day 2 28.6 0 0.0 2 12.5
Once per day 0 0.0 3 33.3 3 18.8
More than once per day 3 42.9 0 0.0 3 18.8

Control – without Fixed Orthodontic Appliances; FOA – with Fixed Orthodontic Appliances.