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Table 2 Orthodontic characteristics of studied population

From: Prioritization of predisposing factors of gingival hyperplasia during orthodontic treatment: the role of amount of biofilm

 

Characteristics

%

Exclusive mouth breather

No

153

79.3

Yes

40

20.7

Oral Hygiène (OHI) Plaque index

IP = 0: No plaque

24

12.4

IP = 1 Plaque visible after scratching at the probe

67

34.7

IP = 2 Plaque visible with naked eye

84

43.5

IP = 3 Abondance of plaque

18.0

9.3

Frequency of brushing

At least twice a day

176

91.2

Once a day or less

17

8.8

Gingival phenotype

Thick

59

30.6

Thin

134

69.4

Type of orthodontic brackets

Metal

170

88.1

Ceramic

6

3.1

Maxillary ceramic and metal in the mandible

17

8.8

Orthodontic arch type

Containing nickel

60

31.1

Steel

133

68.9

Ligatures

Metal

7

3.6

Elastomerics

109

56.5

Both

72

37.3

Self-ligating

5

2.6