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  • Küçük Resim
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    Determining the margin of safety for damaging the sphenoid sinus with nasal septum osteotome during le fort i surgery in young adults
    (Hindawi Limited, 2018) Saruhan, Nesrin; Ataol, Mert; Temiz, Mustafa
    Nasal septum (Obwegeser) osteotome is a basic instrument used for separating the nasal septum and maxilla during Le Fort I osteotomy. If this instrument is placed too high or tilted into the nasal cavity, sphenoid sinus and various adjacent vital structures may be damaged and serious bleeding, neurological complications, or blindness or even death may occur. The aim of this study is to determine the margin of safety for damaging the sphenoid sinus and the adjacent structures with nasal septum osteotome in the young adults: 49 male and 51 female patients between 15 and 25 ages who required a Cone Beam Computed Tomography (CBCT) examination as part of their routine examination. In the study sample consisting of CBCT images, the aimed surgical line, the line between spina nasalis anterior and vomer and the base of sphenoid sinus (undesired line), and tilt angle between surgical and undesirable lines were measured. As the primary outcome of this study, margin of safety for damaging the sphenoid sinus and adjacent vital structures with nasal septum osteotome during Le Fort surgeries in young adults recommended as 5 mm and 12 0. For this reason the importance of planning with preoperative CBCT before Le Fort I osteotomies has been revealed.
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    Diş hekimliği fakültesi son sınıf öğrencileri ve diş hekimlerinin maksillofasiyal travma muayenesi konusunda bilgi düzeylerinin değerlendirilmesi
    (Süleyman Demirel Üniversitesi, 2018) Saruhan, Nesrin; Gürbüz Urvasızoğlu, Gelengül; Ataol, Mert; Temiz, Mustafa
    Amaç: Bu çalışmanın amacı diş hekimliği fakültesi son sınıf öğrencileri ve mezun diş hekimleri için maksillofasiyal travmalara yaklaşım ile ilgili bilgi düzeylerini değerlendirmektir. Yöntem: Atatürk Üniversitesi Diş Hekimliği Fakültesinde son sınıfta okuyan öğrenciler ve Erzurum ilinde çalışmakta olan diş hekimlerine, maksillofasiyal travma bilgi düzeylerini ve yaklaşımlarını değerlendirmek amacıyla hazırlanan 20 soruluk bir anket formu uygulandı. Çalışmada 91 son sınıf öğrencisi ve 51 mezun diş hekimi yer almıştır. Bulgular: Bilgi düzeyini değerlendiren 13 sorunun 11’inde, doğru cevabın, sadece 2 soruda ise yanlış cevap seçeneğinin daha çok tercih edildiği görülmüştür. Katılımcılara yöneltilen ve klinik yaklaşımı değerlendiren 7 adet subjektif değerlendirme sorularının tamamı için, her iki grup tarafından da negatif sonuçlar elde edilmiştir. Sonuç: Hem son sınıf öğrencisi hem de mezun diş hekimlerinin maksillofasiyal travmalar konusundaki bilgi düzeylerinin kabul edilebilir olmasına rağmen katılımcıların bu konuda yeterli özgüvene sahip olmadıkları görülmüştür. Bu konudaki teorik bilgilerin, klinik olarak güçlendirilmesi gerektiği ve gereken eğitim stratejisinin oluşturulması gerekliliği sonucuna varılmıştır.
  • Küçük Resim
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    Evaluation of blood titanium levels and total bone contact area of dental implants
    (Hindawi Limited, 2018) Temiz, Mustafa; Dayı, Ertunç; Saruhan, Nesrin
    The purpose of this study was to evaluate the effect of total implant-bone surface contact area of dental implants applied on partial or total edentulous patients on the increase in the level of blood titanium level. Changes of the blood titanium levels were evaluated after placement of the dental implants in 30 patients including 15 females and 15 males. Patients were divided into 3 groups as dental implants were applied on only maxilla, only mandible, or both of them. Taking into the consideration anatomic formation and prosthetic indication, dental implant-bone total contact area was calculated and saved for each patient after dental implants placement. Blood samples of the patients taken preoperatively and postoperatively at 12 weeks were analyzed by ICP-MS device. Blood titanium levels of preoperative and postoperative blood samples were analyzed for each patient and results were evaluated statistically. In the evaluation after analyzing blood titanium level changes, while a statistically significant decrease was observed in Group 1 patients, a statistically significant increase was observed in Group 2 and Group 3 patients to blood titanium level. A statistically significant difference was observed between Group 1 and Group 2 and between Group 1 and Group 3 patients of blood titanium levels. The change of the blood titanium level was not related to total implant-bone surface area, number of the implants, and gender. In our study, no correlation was found between change of blood titanium level and total contact area with bone of dental implants. We believe that more accurate results can be obtained with biopsy of tissues and organs on animal studies.