Question 30 · LDEK · Maxillary sinusitis
Choose the correct sentences that identify a bacterial maxillary sinus infection:
1) forcing the tooth into the sinus does not have to cause its infection;
2) direct proximity of the incisors, premolars and molars can be a cause of spreading bacteria and their toxins from periapical lesions to the sinus’ mucosa;
3) the most common bacteria are streptococci, staphylococci, H. influenzae, anaerobic bacteria;
4) oedema of the mucosa can cause the feeling of numbness of the upper teeth due to the pressure applied to the alveolar plexus;
5) X-ray examination does not show thickening of the sinus mucosa.
The correct answer is:
2) direct proximity of the incisors, premolars and molars can be a cause of spreading bacteria and their toxins from periapical lesions to the sinus’ mucosa;
3) the most common bacteria are streptococci, staphylococci, H. influenzae, anaerobic bacteria;
4) oedema of the mucosa can cause the feeling of numbness of the upper teeth due to the pressure applied to the alveolar plexus;
5) X-ray examination does not show thickening of the sinus mucosa.
The correct answer is:
- A. 1,2.
- B. 3,4.
- C. 1,5.
- D. 1,3,4.
- E. 1,2,4.
Hint
Check which tooth roots really border the sinus floor and whether mucosal thickening can be seen on imaging.
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