Table 4 Comparison of DMFT and OHI-S means by contact deflection

Upper arch

(n)

 None

(149)

4.11 (2.67)

1.19 (0.63)*^α

 < 1 mm

(84)

4.45 (3.35)

1.00 (0.53)^¥Ωψ

 1–2 mm

(129)

4.10 (2.89)

1.48 (0.79)*^¥

 2–4 mm

(118)

4.32 (2.84)

1.35 (0.76)^Ω

 > 4 mm

(126)

4.68 (3.58)

1.56 (1.00)^αψ

Lower arch

(N)

 None

(127)

4.09 (2.84)

1.21 (0.73)*

 < 1 mm

(150)

4.22 (2.99)

1.16 (0.62)^αΩ

 1–2 mm

(135)

4.10 (2.80)

1.31 (0.68)^¥

 2–4 mm

(100)

4.67 (3.42)

1.48 (0.86)^α

 > 4 mm

(94)

4.70 (3.32)

1.66 (1.02)*^Ω¥