Tooth Surface Loss and Associated Risk Factors in Northern Saudi Arabia

Table 4

The correlation between tooth wear severity and tooth wear-associated factors among the study population.

Factors correlated to tooth wear severity	Statistical method	P value
Age	Pearson	0.001
Gender	Pearson	0.2
Systemic disease	Kruskal-Wallis	0.011
Number of remaining teeth	Pearson	0.000
Acidic diet and drinks	Pearson	0.000
Bruxism and parafunction	Mann-Whitney	0.000
Biting objects	Mann-Whitney	0.001
Facial pain or tenderness	Mann-Whitney	0.021
TMJ problems	Mann-Whitney	0.3
Sour taste in the mouth	Mann-Whitney	0.021
Occupational risk	Mann-Whitney	0.2
Exposure to dust	Mann-Whitney	0.04
Unilateral chewing	Mann-Whitney	0.000
Using dental abrasives	Pearson	0.001
Using mouth rinse	Pearson	0.2
Intake of acidic medications	Mann-Whitney	0.3
Drinking alcohol	Pearson	0.2
Brushing:
Frequency	Pearson	0.04
Technique	Kruskal-Wallis	0.033