Abstract
Objectives
This study sought to investigate the positioning of the posterior superior alveolar artery in relation to the performance of the maxillary sinus bone graft procedure in a Korean population.
Materials and Methods
We identified the position of the posterior superior alveolar artery relative to 93 maxillary sinuses in 58 patients and determined the distance from the inferior border of the artery in the premolar and molar areas to the alveolar ridge and sinus floor.
Results
The mean distance from the alveolar ridge to the posterior superior alveolar artery in the dentate group (20.62±3.05 mm in the premolar region, 17.50±2.84 mm in the molar region) was greater than as compared to the edentulous group (18.83±2.79 mm in the premolar region, 15.50±1.64 mm in the molar region), and this difference was statistically significant (P<0.05). In contrast, there was no statistically significant difference (P>0.05) between the mean distance from the sinus floor to the posterior superior alveolar artery in the dentate group (8.21±2.79 mm in the premolar region, 7.52±2.07 mm in the molar region) or in the edentulous group (7.75±3.31 mm in the premolar region, 7.97±2.31 mm in the molar region).
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Table 1.
Male | Female | Total | |
---|---|---|---|
Detecting site / total site (n) | 18/27 | 33/66 | 51/93 |
Detection rate (%) | 66.7 | 50 | 54.8 |
Table 2.
Dentate group (n=29) | Partially or fully edentulous group (n=22) | Total (n=51) | P-value | |
---|---|---|---|---|
Molar area (mm) | 17.50±2.84 | 15.50±1.64 | 16.64±2.58 | 0.005 |
Premolar area (mm) | 20.62±3.05 | 18.83±2.79 | 19.85±3.04 | 0.037 |