Schneiderian Membran Kalınlığı ile Sinüs Taban Kortikasyonu Arasındaki İlişkinin Konik Işınlı Bilgisayarlı Tomografi ile Değerlendirilmesi

Year 2020, Volume: 25 Issue: 1, 1 - 6, 15.01.2020

Seval Bayrak , Gülbahar Ustaoğlu , Gözde Serindere , Hüsniye Demirtürk Kocasaraç

https://doi.org/10.21673/anadoluklin.466703

Abstract

Amaç: Bu
çalışmada sinüs tabanı kortikasyonu (STK) ve Schneiderian membran kalınlığı
(SMK) arasındaki ilişkiyi konik ışınlı bilgisayarlı tomografi (KIBT)
görüntüleri üzerinden incelemek amaçlanmıştır.

Gereç ve Yöntemler: Dental implant tedavisi için KIBT çektirmiş 146 hastaya ait (61 erkek, 85
kadın) toplam 292 maksiller sinüs değerlendirildi. STK şu şekilde sınıflandırıldı:
tip 1: çevre kortikal alanla benzer ya da daha yüksek dansite gösteren sinüs tabanı,
tip 2: çevre kortikal alandan daha düşük dansite gösteren sinüs tabanı, tip 3:
kortikal kemik içermeyen sinüs tabanı, tip 4: krestal kemikle kaynaşmış sinüs
tabanı. Kesitsel görüntülerde membranın en üst noktası ile tabanı arasında ölçülen
SMK ile STK tipleri arasındaki ilişki de incelendi.

Bulgular: Tip 1, tip 2, tip 3 ve tip 4 STK sırasıyla 114, 102, 48 ve 28 vakada görüldü.
Schneiderian membran tip 1 STK’de tip 2 STK’ye kıyasla daha ince bulundu. Tip 3
STK ile tip 4 STK arasında SMK açısından anlamlı fark görülmedi.

Tartışma ve Sonuç: STK ve SMK’nin KIBT ile değerlendirilmesi sinüs greftleme sonrası tedavide
implant stabilitesi ve sağkalımı hakkında bilgi sağlayabilir. Tip 1 STK,
implant yerleştirme için elverişli iken, daha yüksek bir membran perforasyonu riski
ile ilişkili olabilir.

Keywords

Kortikasyon, Schneiderian Membran, Sinus Taban Ogmentasyonu, Konik Işınlı Bilgisayarlı Tomografi, Dental İmplantasyon

Evaluation of the Relationship Between Schneiderian Membrane Thickness and Sinus Floor Cortication Using Cone Beam Computed Tomography

Abstract

Aim: In this study, we aimed to investigate the
relationship between sinus floor cortication (SFC)
and Schneiderian membrane thickness (SMT) through cone-beam computed tomography
(CBCT) images.

Materials and Methods: A total of 292 maxillary
sinuses of 146 patients (61 males, 85 females) who underwent a CBCT scan for dental implant
treatment were evaluated. SFC was classified as follows: type-1: sinus floor
exhibiting similar or higher density than the surrounding cortical areas, type-2:
sinus floor exhibiting lower density than the surrounding cortical areas, type-3:
sinus floor exhibiting no cortical bone, and type-4: sinus floor exhibiting
fusion of sinus floor bone and native crestal bone. We also investigated the relationship
between the SFC types and SMTs measured from the highest border of the membrane
to the sinus floor on cross-sectional images.

Results: Type-1, type-2, type-3, and type-4 SFC were seen in
114, 102, 48, and 28 cases, respectively. The Schneiderian membrane was found
to be thinner in type-1 SFC than in type-2 SFC. No significant difference was
found between type-3 and type-4 SFC in terms of SMT.

Discussion and Conclusion: Evaluation of SFC and SMT
using CBCT can provide information about implant stability and survival in treatment after sinus grafting. Although
type-1 SFC is favorable for implant placement, it may also be associated with
an increased risk of membrane perforation.

Keywords

Cortication, Schneiderian Membrane, Sinus Floor Augmentation, Cone-Beam Computed Tomography, Dental Implantation

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