Radiographic assessment of the level of the floor of maxillary sinus

الملخص EN

Background : The depth of the floor of the maxillary sinus is very important to be assessed radiographically prior to commencing any dental procedure that may involve or be in a close proximity to the sinus to avoid unwanted postoperative complications.

The aim of the present research was study the following : 1- Individual variation in the level of the floor of the maxillary sinus in both dentate and edentulous alveolar ridges.

2- The relation between the level of the floor of the maxillary sinus and the age, sex Materials and methods : Two hundred alveolar ridges (154 dentate and 46 edentulous) were studied by viewing 100 panoramic radiographs.

Results : They were as follows : a-In dentate ridges, the average level of the floor of the maxillary sinus was 10.36 mm (S.

D.

3.

51), results fell in the following categories : 30 % of the measurements were between 2-8 mm.

58.44 % between 8.5-14.5 mm.

11.04 % between 15-21 mm.

b- In edentulous ridges, the average level of the floor of the maxillary sinus was 6.99 mm (S.

D.

3.49), results fell in the following categories : 67.39% of the measurements were between 2-8mm.

30.43 % between 8.5-14.5mm.

2.17 % between 15-21mm.

Conclusion : This study found that there is relation between the depth of the maxillary sinus floor and the age of the patients in dentate alveolar ridges while there is no relation in edentulous ridges, while There is no relation between the depth of the maxillary sinus floor and the sex in dentate alveolar ridges while there is relation in edentulous ridges.

There is difference between the sexes in alveolar ridge resorption after tooth loss.