Test your knowledge



2. What is the estimated prevalence of signs of erosion in the Western population?
a)
20%


b)
30%


c)
50%


d)
70%




3. Erosion can be caused or aggravated by various extrinsic factors. Which of the following do not apply?
a)


b)


c)


d)






6. Which of the following is not one of the main biological factors related to erosion?
a)


b)


c)


d)




7. Presence of erosive lesions often positively correlates with:
a)


b)


c)


d)






10. According to the BEWE scoring system, which of the following numbers represents the most severe level of erosion?
a)
1


b)
3


c)
5


d)
10



After having answered all questions, you can start the automated evaluation by clicking on "Evaluation."