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Table 2 Comparison of the knowledge scores of non-medical, dental, and medical students

From: Knowledge of and attitudes towards erosive tooth wear among students of two Chinese universities

Item no. Item content NSs DSs MSs P-value
K1 Erosive tooth wear is a form of cavities and tooth decay 0.15 ± 0.36 0.99 ± 0.08 0.12 ± 0.32 < 0.001 (DSs > NSs, MSsa)
K 2 Erosive tooth wear is caused by bacteria 0.16 ± 0.36 0.77 ± 0.42 0.12 ± 0.32 < 0.001 (DSs > NSs, MSsa)
K 3 Erosive tooth wear is an irreversible disease 0.28 ± 0.45 0.69 ± 0.47 0.29 ± 0.46 < 0.001 (DSs > NSs, MSsa)
K 4 One leading cause of tooth wear is acid in our food and drinks 0.47 ± 0.50 0.81 ± 0.39 0.47 ± 0.50 < 0.001 (DSs > NSs, MSsa)
K 5 Saliva is one of the most important defence mechanisms against erosion 0.30 ± 0.46 0.69 ± 0.47 0.36 ± 0.48 < 0.001 (DSs > NSs, MSsa)
K 6 Erosive tooth wear can occur if you often work in acidic environments 0.39 ± 0.49 0.81 ± 0.40 0.44 ± 0.50 < 0.001 (DSs > NSs, MSsa)
K 7 Erosive tooth wear can occur if you often have to vomit 0.43 ± 0.50 0.87 ± 0.34 0.50 ± 0.50 < 0.001 (DSs > NSs, MSsa)
K 8 Brushing your teeth immediately after consuming acidic food or drinks may make erosive tooth wear worse 0.21 ± 0.41 0.59 ± 0.49 0.22 ± 0.42 < 0.001 (DSs > NSs, MSsa)
K 9 Drinking before going to bed is a risk factor for developing erosive tooth wear 0.49 ± 0.50 0.76 ± 0.43 0.57 ± 0.50 < 0.001 (DSs > NSs, MSsa)
K 10 Drinking immediately after strenuous exercise increases a person’s risk for erosive tooth wear 0.47 ± 0.50 0.66 ± 0.48 0.48 ± 0.50 < 0.001 (DSs > NSs, MSsa)
K 11 Erosive tooth wear may lead to pain and sensitivity 0.62 ± 0.49 0.88 ± 0.33 0.71 ± 0.46 < 0.001 (DSs > NSs, MSsa)
K 12 Erosive tooth wear can lead to the progressive loss of the surface of the tooth 0.46 ± 0.50 0.84 ± 0.37 0.61 ± 0.49 < 0.001 (DSs > MSs > NSsa)
K 13 Drinking a whole bottle of soda in several sittings rather than in just one sitting decreases a person’s risk for erosive tooth wear 0.28 ± 0.45 0.66 ± 0.48 0.30 ± 0.46 < 0.001 (DSs > NSs, MSsa)
K 14 Using a fluoride toothpaste will prevent erosive tooth wear 0.40 ± 0.49 0.71 ± 0.46 0.51 ± 0.50 < 0.001 (DSsaNSs, MSsa)
K 15 Using a straw when you drink soda may help avoid erosive tooth wear 0.42 ± 0.50 0.72 ± 0.45 0.40 ± 0.49 < 0.001 (DSs > NSs, MSsa)
  1. NSs non-medical students, DSs dental students, MSs medical students
  2. a>indicates statistical significance