Question 344 · LDEK · Non-carious lesions of dental hard tissues
Which of the tooth surfaces are subject to wear in the course of attrition?
1) incisal edges;
2) proximal surfaces;
3) occlusal surfaces;
4) lingual surfaces of mandible teeth;
5) buccal surfaces of maxilla teeth.
The correct answer is:
2) proximal surfaces;
3) occlusal surfaces;
4) lingual surfaces of mandible teeth;
5) buccal surfaces of maxilla teeth.
The correct answer is:
- A. 1,2,3.
- B. 1,3,5.
- C. 2,3,4.
- D. 2,3,5.
- E. 3,4,5.
Hint
Attrition comes from direct tooth-to-tooth contact, so consider which surfaces actually touch opposing or neighbouring teeth.
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