Question 358 · LDEK · Non-carious lesions of dental hard tissues
Indicate the true statement concerning abfraction:
- A. is a result of tooth hard tissues wear caused by occlusal tooth-to-tooth contact.
- B. it is destruction of tooth hard tissues by a chemical process not involving bacteria.
- C. it has a shape of a wedge with smooth margins and is located in the enamel.
- D. it is caused by strong excentric occlusal force action.
- E. it is caused by bacteria.
Hint
The word abfraction comes from 'breaking away', so think of how a tooth flexes under load.
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