Question 247 · LDEK · Cysts of the jaws
Indicate correct sentences regarding the dentigerous cyst (DC):
1) there is only one developmental theory of DC, and it is a hemodynamic theory;
2) it most often concerns the lower third molar;
3) it is most frequently diagnosed due to pain in the area of impacted tooth;
4) radiologically it is an osteolytic lesion with osteosclerotic rim around crown of the impacted tooth;
5) in case of a decision to keep the impacted tooth, which crown is covered by DC, the lesion should be enucleated and the tooth observed for period of 100 days for spontaneous eruption.
The correct answer is:
2) it most often concerns the lower third molar;
3) it is most frequently diagnosed due to pain in the area of impacted tooth;
4) radiologically it is an osteolytic lesion with osteosclerotic rim around crown of the impacted tooth;
5) in case of a decision to keep the impacted tooth, which crown is covered by DC, the lesion should be enucleated and the tooth observed for period of 100 days for spontaneous eruption.
The correct answer is:
- A. 1, 2, 3.
- B. 1, 2, 4.
- C. 2, 3, 4.
- D. 2, 4, 5.
- E. 3, 4, 5.
Hint
Dentigerous cysts are usually silent findings; check how many theories of origin exist and which tooth is most often involved.
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