Morphometric Characteristics of Some Anatomical Structures in The Maxillofacial Region in Patients Planning Orthognatic Surgery

Year 2023, , 146 - 152, 28.12.2023

Esin Bozdemir (haştar) , Derya Gezer

https://doi.org/10.21306/dishekimligi.1387295

Abstract

Purpose: To evaluate the morphometric features of some anatomical structures in the maxillofacial region in patients planning orthognathic surgery and to compare these features according to different jaw relations in the sagittal direction, gender and age.
Materials-Methods: 235 adult patients between the ages of 18-50 who received cone beam computed tomography for planning orthognathic surgery were included in the study. Posterior superior alveolar artery (PSAA) diameter was measured in coronal section on cone beam computed tomography images. The width of the incisive foramen (IF) was measured as millimeter in the sagittal plane. The diameter of the mental foramen (MF) was determined by measuring the distance between the lower and upper borders of the foramen on cross-sectional sections.
Results: The relationship between the mean diameter of PSAA and gender was found to be statistically significant in both right and left jaws (p<0.0001). PSAA diameter was found to be significantly larger in men than in women. A statistically significant difference between the diameter value of the left maxilla and age was determined, and a positive correlation was found between these two parameters (p = 0.03). There was no statistically significant relationship between PSAA diameter and malocclusion type (p>0.05). The average IF diameter was determined to be 3.2±0.85 mm in Class 1 individuals, 3.1±0.69 mm in Class 2 individuals, and 3.1±0.79 mm in Class 3 individuals. There was no statistically significant relationship between IF diameter and malocclusion type (p>0.05). MF diameter was found to be statistically significantly larger in men than in women (p<0.0001). There was no statistically significant difference between age, malocclusion and MF diameter (p>0.05).
Conclusion: It was determined that the type of malocclusion did not affect the morphometric measurements of the posterior superior alveolar artery, incisive foramen and mental foramen in patients planning orthognathic surgery.

Keywords

Orthognathic surgery, cone beam computed tomography, incisive foramen, mental foramen, posterior superior alveolar artery

Ortognatı̇k Cerrahı̇ Planlanan Hastalarda Maksillofasiyal Bölgedeki Bazı Anatomik Yapıların Morfometrik Özellikleri

Abstract

Amaç: Ortognatik cerrahi planlanan hastalarda maksillofasiyal bölgedeki bazı anatomik yapıların morfometrik özelliklerini değerlendirmek ve bu özellikleri sagittal yönde farklı çene ilişkilerine cinsiyete ve yaşa göre karşılaştırmaktır.
Gereç-Yöntem: Çalışmaya 18-50 yaş arası ortognatik cerrahi planlanlanması amacıyla konik ışınlı bilgisayarlı tomografi alınan 235 yetişkin hasta dahil edildi. konik ışınlı bilgisayarlı tomografi görüntülerinde posterior süperior alveolar arter (PSAA) çapı koronal kesitte ölçüldü. İnsiziv foramen (İF) genişliği sagital düzlemde milimetre cinsinden ölçüldü. Mental foramenin (MF) çapı cross-sectional kesitler üzerinde foramenin alt ve üst sınırı arasındaki mesafe ölçülerek belirlenmiştir.
Bulgular: PSAA’nın ortalama çapı ile cinsiyetler arasındaki ilişki sağ ve sol her iki çenede de istatistiksel olarak anlamlı bulundu (p<0,0001). PSAA çapı, erkeklerde kadınlardan anlamlı derecede fazla bulundu. Sol maksilladaki çap değeri ile yaş arasında anlamlı bir fark belirlendi ve bu iki parametre arasında pozitif korelasyon bulundu (p=0,03). PSAA çapı ile maloklüzyon tipi arasında istatistiksel olarak anlamlı ilişki görülmedi (p>0,05). Sınıf 1 bireylerde ortalama İF çapı 3,2±0,85 mm, Sınıf 2 bireylerde 3,1±0,69 mm ve Sınıf 3 bireylerde 3,1±0,79 mm tespit edildi. İF çapı ile maloklüzyon tipi arasında istatistiksel olarak anlamlı ilişki bulunmadı (p>0,05). Erkeklerde MF çapı kadınlara göre istatistiksel olarak anlamlı derecede fazla bulundu (p=0,000). Yaş ve maloklüzyon ile MF çapı arasında istatistiksel olarak anlamlı bir farklılık bulunmadı (p>0,05).
Sonuç: Ortognatik cerrahi planlanan hastalarda maloklüzyon tipinin posterior superior alveoler arter, insiziv foramen ve mental foramenin morfometrik ölçümlerini etkilemediği belirlenmiştir.

Keywords

Ortognatik cerrahi, konik ışınlı bilgisayarlı tomografi, insiziv foramen, mental foramen, posterior superior alveolar arter

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