Table 3 Tooth brushing behaviour

Tooth contact time (s)

154.6 ± 57.7 [54.7, 329.3]

Inner surfaces

41.1 ± 23.9 [0.0, 108.5]

Outer surfaces

73.1 ± 32.9 [27.2, 174.2]

Occlusal surfaces

40.4 ± 24.1 [5.8, 116.6]

% of tooth contact time

Inner surfaces

26.7 ± 12.7 [0.0, 51.4]

Outer surfaces

47.2 ± 9.7 [31.0, 73.8]

Occlusal surfaces

26.2 ± 12.0 [5.1, 60.3]

% of movements on inner surfaces^a

Circular (0%/6%/10–15%/29%)

52/1/4/1

Horizontal

46.0 ± 31.0 [0.0, 100]

Vertical

52.2 ± 30.4 [0.0, 100]

% of movements on outer surfaces

Circular

66.0 ± 24.7 [2.8, 100]

Horizontal

14.4 (1.7, 32.9)

Vertical (0–4%/14–20%/21–40%/46–68%)

39/2/13/5

% of movements on outer surfaces when jaws closed (“Tiger bite”)

Circular

85.4 (57.6, 98.2)

Horizontal

3.7 (0.0, 24.6)

Vertical (0–2%/12–15%/21–40%/31–54%)

44/4/7/4

% of movements on outer surfaces when jaws open

Circular

35.1 (14.2, 77.7)

Horizontal

29.4 (7.5, 72.7)

Vertical (0–6%/14–20%/21–34%/51–92%)

39/2/7/11