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Table 2 Oral health behavior of dental and medical students in 1st and 3rd year (%)a

From: Assessment of the oral health behavior, knowledge and status among dental and medical undergraduate students: a cross-sectional study

Question (recommended behavior) 1st year 3rd year
Dental students Medical students P Dental students Medical students P
Frequency of daily tooth brushing (≥ twice) 93.2 89.6 0.206 97.8 87.1 0.000
Duration of tooth brushing (≥ 2 min) 94.7 83.1 0.000 96.7 84.2 0.000
Frequency of replacing toothbrush (≤ 3 months) 66.8 69.7 0.551 71.3 59.4 0.015
Frequency of visiting the dentist (regularly) 10.5 5.5 0.065 19.9 10.4 0.009
Method of tooth brushing
 Vertical scrub 38.4 24.4 0.003 35.4 29.7 0.238
 Horizontal scrub 11.1 24.9 0.000 6.1 22.3 0.000
 Modified Bass technique 20.5 6.5 0.000 30.9 6.4 0.000
 Fones technique 10.5 3.5 0.006 9.9 6.4 0.209
 Irregular 19.5 40.8 0.000 17.7 35.1 0.000
Oral hygiene methods besides tooth brushing
 Dental floss 14.2 3.5 0.000 40.9 6.4 0.000
 Mouthwash 13.7 14.9 0.726 23.8 11.4 0.001
 Sugar-free chewing gum 11.1 11.4 0.903 4.4 5.0 0.806
 Toothpick 7.4 6.5 0.726 4.4 8.4 0.114
 None 64.7 65.7 0.846 47.0 74.3 0.000
  1. aPearson’s Chi-square test, bold numbers meant P < 0.05