Table 2: Distribution of tooth wear-associated factors among the study population.

Factors associated with tooth wearFrequency (%)*

Number of remaining teeth:
 10–1920 (5%)
 20–29332 (83%)
 30≤48 (12%)
Acidic diet and drinks 312 (78%)
Bruxism and parafunction280 (70%)
Biting objects 20 (5%)
Facial pain or tenderness 8 (2%)
TMJ problems20 (5%)
Sour taste in the mouth160 (40%)
Occupational risk2 (0.5%)
Exposure to dust60 (15%)
Unilateral chewing 200 (50%)
Using dental abrasives 20 (5%)
Using mouth rinse20 (5%)
Intake of acidic medications2 (0.5%)
Drinking alcohol2 (0.5%)
Brushing:
 Frequency:
  Less than once daily228 (57%)
  Once daily120 (30%)
  Twice daily40 (10%)
  Three times daily8 (2%)
  More than three times daily4 (1%)
 Technique:
  Upward and downward technique240 (60%)
  Forward and backward technique132 (33%)
  Brass technique8 (2%)
  Roll technique 8 (2%)
  others 12 (3%)

*Please note that the numbers do not add to 100% or 400 because there could be more than one complaint or systemic disease for the same participant.