The Efficiency of Operating Microscope Compared with Unaided Visual Examination, Conventional and Digital Intraoral Radiography for Proximal Caries Detection

Objective. The purpose of this study was to evaluate the efficiency of operating microscope compared with unaided visual examination, conventional and digital intraoral radiography for proximal caries detection. Materialsand Methods. The study was based on 48 extracted human posterior permanent teeth. The teeth were examined with unaided visual examination, operating microscope, conventional bitewing and digital intraoral radiographs. Then, true caries depth was determined by histological examination. The extent of the carious lesions was assessed by three examiners independently. One way variance of analysis (ANOVA) and Scheffe test were performed for comparison of observers, and the diagnostic accuracies of all systems were assessed from the area under the ROC curve (Az). Results. Statistically significant difference was found between observers (P < .01). There was a statistically significant difference between operating microscope-film radiography, operating microscope-RVG, unaided visual examination-film radiography, and unaided visual examination-RVG according to pairwise comparison (P < .05). Conclusion. The efficiency of operating microscope was found statistically equal with unaided visual examination and lower than radiographic systems for proximal caries detection

İkiz dişler; füzyon ve geminasyon: Vaka serisi

Amaç: Bu olgu sunumunun amacı; tesadüfen karşılaşılan, daimî dentisyondaki ikiz diş vakalarının klinik ve radyografik bulgularını sunmaktır.Olgu Tanımlanması: Dişlerdeki şekil anomalilerinden olan füzyon ve geminasyonu klinik muayene sırasında birbirinden ayırt etmek için ağız içindeki diş sayısına bakılmaktadır. Diş sayısında herhangi bir nedenle diş kaybı olmadan eksiklik varsa füzyon olarak tanımlanmaktadır; geminasyonda ise diş sayısı değişmeden sadece büyük diş görülmektedir. Gazi Üniversitesi Diş Hekimliği Fakültesi Ağız, Diş ve Çene Radyolojisi Anabilim Dalı’na birçok dental neden ile başvuran ve şikâyet nedenine göre radyografi istenen 8 hastanın (4 kadın, 4 erkek) intraoral ve radyografik muayenesinde ikiz dişlere rastlandı. Vakalarımızda geminasyon- füzyon ayrımı klinik ve radyografik inceleme ve diş sayısı ile tespit edildi.Bulgular:&nbsp;İkiz diş görülen 8 hastanın yaş ortalamaları 26.75 idi. İkiz dişlerin 3 tanesi geminasyon 5 tanesi ise füzyondu. İkiz dişlerin 4 tanesi kadınlarda (3’ü sağda (% 75) diğer 1‘i solda (% 25)), 4 tanesi erkeklerde (3’ü sağda (% 75), 1’i solda (% 25 )) görülmekteydiSonuç: Füzyon veya geminasyon tanısının konulması zor olsa da daimî dişlerde karşılaşma oranının yüksek olduğu göz ardı edilmemelidir. Patolojik bir bulgu vermedikçe klinik muayene sırasında gözden kaçma ihtimali yüksektir. Bu yüzden ikiz dişlerin daimî dentisyonda görülme prevalansı ile ilgili daha fazla araştırma yapılması gerektiği düşüncesindeyiz.ANAHTAR KELİMELER Füzyon, Geminasyon, İkiz dişle

Evaluation of osteomeatal complex anomalies and maxillary sinus diseases using cone beam computed tomography

WOS: 000415813000005Introduction: Although obstruction of osteomeatal area was not accepted as an important factor in the pathogenesis of sinus infections for years, recent studies point out the importance of this area. For the maintenance of normal functions of paranasal sinuses, ventilation and drainage of this area is necessary. The purpose of this study was to determine the effect of anomalies of the osteomeatal area on sinus diseases. Methods: This study included cone beam computed tomography scans of 200 patients. Osteomeatal area anomalies were classified as concha bullosa, septal deviation, paradox middle concha, deviation of uncinate process, uncinate bulla, Haller cells and Agger nasi cells. Ethmoid infundibulum and presence of sinus pathologies were recorded. Results: Pathologies were not determined in 243 (60.8%) of the evaluated 400 sinuses while detected in 157 (39.3%) sinuses. Pathologies were found to be more frequent in males than females (p<0.05). Sinus diseases were more prevalent in patients with an obstructed ethmoid infundibulum (p<0.05). Septum deviation was found in 64.5%, concha bullosa in 47%, Haller cells in 17%, paradox middle concha in 8%, deviation of uncinate process in 5.5%, over pneumatisation of agger nasi in 5%, and uncinate bulla in 5% of the investigated patients. Although we found a statistically significant link between ethmoid infundibulum clarity and pathology presence; there was no statistically significant relationship between sinus pathologies and evaluated anomalies. Conclusion: Although we found no relationship between these anomalies and sinus diseases, further studies including the dimensions of the osteomeatal area anomalies will be helpful to determine the effect of these anomalies on sinus diseases

Evaluation of keratocystic odontogenic tumors using cone beam computed tomography.

The aim of this retrospective study is to determine the radiological features of keratocystic odontogenic tumors (KCOT) using cone-beam computed tomography (CBCT)