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Öğe Assessment of The Effects of Edentulousness on Temporomandibular Components by Using Cone Beam Computed Tomography(Univ Indonesia, Fac Dentistry, 2022) Arikan, Busra; Dedeoglu, Numan; Duman, Suayip BurakObjective: The aim of this study is to evaluate the effects of edentulousness on the temporomandibular joint using cone beam computed tomography (CBCT). Methods: In this study, CBCT images were evaluated in a total of 48 patients (24 dentulous, 24 edentulous). Ninety-six temporomandibular joint CBCT images were examined. Eminence inclination, condyle head widths and joint space were measured and statistically compared between the edentulous and dentulous groups. Results: The articular eminence inclination value the mediolateral width of the condyle and the anteroposterior width of the condyle were found significantly higher in the dentulous group than in the edentulous group. There was no significant difference between the dentulous and edentulous groups in terms of the anterior, superior and posterior joint space. Conclusion: In the edentulous patients, the articular eminence inclination value, mediolateral and anteroposterior widths of the condyle head were found to lower in comparison to the dentulous patients.Öğe RETROSPECTIVELY COMPARISON OF NASAL SEPTUM AND MAXILLARY SINUS RADIOLOGICAL FINDINGS IN CONE BEAM COMPUTED TOMOGRAPHY AND PANORAMIC RADIOGRAPHY(Nobel Ilac, 2021) Dedeoglu, Numan; Arikan, Busra; Duman, Suayip BurakObjective: The aim. of this study is to compare panoramic radiography and cone beam computed tomography (CBCT) for visibility of maxillary sinus retention cyst, septa, Haller cell and nasal septum deviation. Material and Method: A total of 588 maxillary sinus and 294 nasal septum 4294 patients with both panoramic radiography and CBCT images were evaluated. The presence of Haller cell, maxillary sinus septa, retention cyst and nasal septum deviation were evaluated first in CBCT images and then panoramic radiography and recorded. With the data obtained, the two methods were compared by using Chi-square test. Results: Statistically significant difference was foundwhen the frequency of Haller cell, maxillary sinus septa and nasal septum deviation seen on panoramic radiography was compared with CBCT (p<0.05). No statistical difference was found when the frequency of retention cyst seen on panoramic radiography was compared with CBCT (p>0.05). Conclusion: While panoramic radiography was found to he insufficient in the radiological evaluation of Haller cell, maxillary sinus septum and nasal septal deviation, it was ound to he close to CBCT in the evaluation of retention cyst.Öğe Sphenoid sinus agenesis and sella turcica hypoplasia: very rare cases of two brothers with Hamamy syndrome(Springer France, 2020) Duman, Suayip Burak; Dedeoglu, Numan; Arikan, Busra; Altun, OguzhanHamamy syndrome (HS) is an autosomal recessive syndrome with a genetic origin that is very rarely observed. The syndrome with craniofacial dysmorphisms, including midface prominence, severe telecanthus, sparse lateral eyebrows, protruding ears, fronto-nasal abnormalities, lacrimal-salivary apparatus agenesis, thin upper vermillion border, myopia, mental retardation, sensorineural hearing impairment, congenital heart anomalies with intraventricular conduction delay, hypochromic microcytic anaemia and skeletal abnormalities of the long bones with recurrent fractures. In this paper, we report a case of two brothers diagnosed with HS at the ages of 25 and 18 years, visited out clinic at different times due to dental reasons. In the radiological examinations, it was observed that both brothers have sphenoid sinuses agenesia, and their sella turcica were smaller than normal. HS may be observed very rarely, and it should be kept in mind that, in addition to various symptoms, it may also cause sphenoid sinus agenesis and sella turcica hypoplasia as shown for the first time in this case report.Öğe Ultrasonographic evaluation of the masseter muscle in patients with temporomandibular joint degeneration(Korean Acad Oral & Maxillofacial Radiology, 2023) Arikan, Busra; Dedeoglu, Numan; Keskinruzgar, AydinPurpose: Sonographic elastography can be used to evaluate the hardness of muscle tissue through the application of compression. Strain elastography gauges hardness through the comparison of echo sets before and after compression. This study utilized ultrasonography to measure the thickness and hardness of the masseter muscle in individuals with temporomandibular joint (TMJ) osteoarthritis.Materials and Methods: This study included 40 patients who presented with joint pain and were diagnosed with TMJ osteoarthritis via diagnostic cone-beam computed tomography, along with 40 healthy individuals. The thickness and hardness of each individual's masseter muscle were evaluated both at rest and at maximum bite using ultrasonography. The Mann-Whitney U test and the chi-square test were employed for statistical analysis, with the significance level set at P<0.05.Results: The mean thickness of the resting masseter muscle was 0.91 cm in patients with osteoarthritis, versus 1.00 cm in healthy individuals. The mean thickness of the masseter muscle at maximum bite was 1.28 cm in osteoarthritis patients and 1.36 cm in healthy individuals. The mean masseter elasticity index ratio at maximum bite was 4.51 in patients with osteoarthritis and 3.16 in healthy controls. Significant differences were observed between patients with osteoarthritis and healthy controls in both the masseter muscle thickness and the masseter elasticity index ratio, at rest and at maximum bite (P<0.05).Conclusion: The thickness of the masseter muscle in patients with TMJ osteoarthritis was less than that in healthy controls. Additionally, the hardness of the masseter muscle was greater in patients with TMJ osteoarthritis.
