Mobility of teeth in carcinoma of Maxillary sinus is due to involvement by tumor of_________________?
Correct answer: D. Floor of the sinus
- A. Anterior wall of the sinus
- B. Posterior wall of the sinus
- C. Roof of the sinus
- D. Floor of the sinus
Explanation
The floor of the maxillary sinus forms the roof of the alveolar process and lies directly above the maxillary tooth roots. Tumour invasion here can therefore cause tooth mobility.
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