Turkiye Klinikleri Journal of Dental Sciences

.: ORIGINAL RESEARCH
Evaluation of the Relationship Between Infraorbital Canal Protrusion and Alveolar Process Pneumatization of theMaxillary Sinus: A Cross-Sectional Cone Beam Computed Tomography Study
İnfraorbital Kanal Protrüzyonu ile Maksiller Sinüsün Alveolar Proçes Pnömatizasyonu Arasındaki İlişkinin Değerlendirilmesi: Bir Kesitsel Konik Işınlı Bilgisayarlı Tomografi Çalışması
Cansu KÖSEOĞLU SEÇGİNa , Sevde GÖKSELa , Arif Yiğit GÜLERb
aClinic of Dentomaxillofacial Radiology, Tepebaşı Oral and Dental Hospital, Ankara, Türkiye
bDepartment of Oral and Maxillofacial Surgery, Ankara Medipol University Faculty of Dentistry, Ankara, Türkiye
Turkiye Klinikleri J Dental Sci. 2023;29(4):536-42
doi: 10.5336/dentalsci.2023-99252
Article Language: EN
Full Text
ABSTRACT
 Objective: To investigate the infraorbital canal (IOC) protrusion into the maxillary sinus (MS) and its relationship with alveolar process (APP) pneumatization on cone-beam computed tomography (CBCT) images. Material and Methods: Data from 137 patients with 234 maxillary sinuses (over the age of 18) who had CBCT images including MS, IOC, maxillary molar teeth were included. The categorization of IOCs was based on their extent of protrusion from the maxillary roof into the sinus, resulting in three distinct types. In addition, the Type 3 IOC performed four distinct linear measurements. Furthermore, presence of APP pneumatization was evaluated and compared with IOC types. Results: This study included 137 (70 females, 67 males) patients aged between 18 and 84 years (mean±standard deviation: 33.99±16.73 years). The intra- and interobserver agreements for IOC protrusion types and APP pneumatization of MS were excellent (k>0.92 and 0.87). For the linear measurements, intraclass correlation coefficients indicating intraobserver (>0.95) and interobserver (>0.92) agreement was excellent. There was found a significant relationship between IOC types and APP pneumatization of MS (p<0.001). Conclusion: It's crucial to take into account the common presence of IOCs extending into the MS to avoid accidental nerve damage. Our results indicate a significant association between IOC protrusion and pneumatization of the APP.

Keywords: Maxillary sinus; cone-beam computed tomography; anatomic variation; alveolar process
ÖZET
 Amaç: Bu çalışmanın amacı, infraorbital kanalın maksiller sinüs protrüzyonunun ve alveolar proçes pnömatizasyonu ile ilişkisinin konik ışınlı bilgisayarlı tomografi görüntüleri üzerinde araştırılmasıdır. Gereç ve Yöntemler: Çalışmaya, maksiller sinüs, infraorbital kanal ve maksiller molar dişleri içeren konik ışınlı bilgisayarlı tomografi görüntüleri olan 18 yaş üstü 137 (234 maksiller sinüs) hasta dâhil edildi. İnfraorbital kanalların sınıflandırılması, maksiller sinüsün çatısından içine doğru protrüze olma derecelerine dayanılarak, 3 farklı tipe ayrıldı. Tip 3 infraorbital kanal tespit edildiğinde bu görüntülerde 4 farklı doğrusal ölçüm gerçekleştirildi. Ayrıca görüntülerde alveolar proçes pnömatizasyonu varlığı değerlendirildi ve infraorbital kanal tipleri ile karşılaştırıldı. Bulgular: Bu çalışmaya yaşları 18-84 arasında değişen (ortalama±standart sapma: 33,99±16,73 yıl) 137 (70 kadın, 67 erkek) hasta dâhil edildi. İnfraorbital kanal tipleri ve maksiller sinüsün alveolar proçes pnömatizasyonu için gözlemci içi ve gözlemciler arası uyum mükemmeldi (k>0,92 ve 0,87). Doğrusal ölçümler için, gözlemci içi (>0,95) ve gözlemciler arası (>0,92) uyum sınıf içi korelasyon katsayısı ile değerlendirildi ve mükemmel bulundu. IOC tipleri ile maksiller sinüsün alveolar proçes pnömatizasyonu arasında anlamlı ilişki bulundu (p<0,001). Sonuç: İstenmeyen yaralanmaları önlemek için sıklıkla maksiller sinüse protrüze olan infraorbital kanal varlığını dikkate almak çok önemlidir. Çalışmamızın sonuçları infraorbital kanal protrüzyonu ile alveolar proçes pnömatizasyonu arasında anlamlı ilişki olduğunu göstermektedir.

Anahtar Kelimeler: Maksiller sinüs; konik ışınlı bilgisayarlı tomografi; anatomik varyasyon; prosessus alveoleris
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