Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Cone Beam Computed Tomography Assessment of Anatomical Risk Factors in Maxillary Sinus Floor Elevation: A Cross Sectional Study
Maksiller Sinüs Tabanı Yükseltilmesinde Anatomik Risk Faktörlerinin Konik Işınlı Bilgisayarlı Tomografi ile Değerlendirilmesi: Kesitsel Bir Çalışma
Tuğçe ÇEVİK SÖNMEZa , Emine Cansu TOPÇUOĞLUb , Ömer AKBULUTc
aGiresun University Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Giresun, Türkiye
bSivas Oral and Dental Healthcare Hospital, Clinic of Periodontology, Sivas, Türkiye
cGiresun University Institute of Science, Department of Bioprocess Engineering, Giresun, Türkiye
Turkiye Klinikleri J Dental Sci. 2024;30(3):370-8
doi: 10.5336/dentalsci.2024-102207
Article Language: EN
Full Text
ABSTRACT
 Objective: To evaluate both the incidence and characteristics of anatomical risk factors in patients requiring sinus lifting using cone beam computed tomography (CBCT). Material and Methods: A retrospective analysis was conducted, involving 142 CBCT scans obtained from edentulous and partially edentulous patients scheduled for sinus floor elevation. Residual bone height, position (extrasinusal, intraosseous, intrasinusal) and diameter of the vascular canal, palatonasal recess (PNR) localization, palatonasal recess angle (PNRA), presence and length of sinus septa and, symmetry of vascular canal and septa were evaluated. Results: Mean canal diameter of 1.28±0.4 mm and the canal diameter was higher in men (p=0.021). The mean PNRA was 127.09°±20.98°, with no significant difference in PNRA (p=0.488, p=0.162, respectively) and PNR location (p=0.419, p=0.746, respectively) based on edentulous status or gender. Septa were present in 34.5% of patients and were statistically higher in women (p=0.019). The mean septa length was 6.40±3.63 mm and significantly longer in edentulous patients (p=0.023). 82.4% canal symmetry and 51% septa symmetry were observed. Conclusion: Thorough assessment of patients by CBCT prior to sinus floor elevation enables the detection of anatomical structures that could affect the surgical design, with the aim of enhancing the success of the treatment and preventing potential complications.

Keywords: Cone beam computed tomography; dental implants; maxillary sinus; oral surgical procedures
ÖZET
 Amaç: Bu çalışmada, konik ışınlı bilgisayarlı tomografi (KIBT) kullanılarak sinüs tabanı yükseltilmesi gerektiren hastalarda anatomik risk faktörlerinin hem görülme sıklığı hem de özelliklerinin değerlendirilmesi amaçlandı. Gereç ve Yöntemler: Sinüs tabanı yükseltmesi planlanan dişsiz ve kısmen dişsiz hastalardan elde edilen 142 KIBT taramasını içeren retrospektif bir analiz yapıldı. Kalan kemik yüksekliği, vasküler kanalın konumu (ektrasinüzal, intraosseöz, intrasinüzal) ve çapı, palatonazal girinti (PNR) lokalizasyonu, palatonazal girinti açısı (PNRA), sinüs septasının varlığı ve uzunluğu, vasküler kanal ve septa simetrisi değerlendirildi. Bulgular: Ortalama kanal çapı 1,28±0,4 mm olup, kanal çapı erkeklerde daha yüksekti (p=0,021). Ortalama PNRA 127,09°±20,98° olup, dişsizlik durumuna veya cinsiyete bağlı olarak PNRA (sırasıyla; p=0,488, p=0,162) ve PNR lokalizasyonunda (sırasıyla; p=0,419, p=0,746) anlamlı bir fark yoktu. Septa hastaların %34,5'inde mevcuttu ve kadınlarda istatistiksel olarak daha yüksekti (p=0,019). Ortalama septa uzunluğu 6,40±3,63 mm idi ve dişsiz hastalarda anlamlı derecede daha uzundu (p=0,023). Yüzde 82,4 kanal simetrisi ve %51 septa simetrisi gözlendi. Sonuç: Sinüs tabanı elevasyonu öncesinde hastaların KIBT ile ayrıntılı olarak değerlendirilmesi, cerrahi tasarımı etkileyebilecek anatomik yapıların tespit edilmesini sağlayarak, tedavinin başarısının artırılması ve olası komplikasyonların önlenmesini sağlar.

Anahtar Kelimeler: Konik ışınlı bilgisayarlı tomografi; diş implantları; maksiller sinüs; oral cerrahi işlemleri
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