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    Diagnosing Pathological Changes in the Non-thickening Sinus Mucosa: A Retrospective CBCT Study with Psudocolor Imaging
    (2023) Satir, Samed; Çimen, Tansu; Gülşen, İbrahim Tevfik; Saka, Yunus Yiğit
    Objective: The aim of this study is to test the utility of pseudocolor imaging in the diagnosis and evaluation of the maxillary sinus mucosa, which has a suspicion of pathological change even though no thickening pattern is formed. Methods: Patients with healthy teeth without apical lesions from premolars and molars adjacent to the right and left maxillary sinus on one side (control) and tooth/teeth with apical lesions on the other side (study) were selected (n=17) and included in the study. Cochran’s Q test was used to compare distribution of color anterior (A), medial (M) and posterior (P). Post-hoc analysis was performed using Bonferroni correction. Results: The rate of multicolor in the anterior and medial side of the pathological side (52.9% and 47.1%) was higher than the healthy side (35.3% and 29.4%), and it was not statistically significant (p=0.300 and p=0.290). Independently of the groups (n=34), the ratio of multicolor in color A (44.1%) was significantly higher than in color P (20.6%) (p=0.047). On the pathological side (n=17), the ratios of multicolor in color A and M (52.9% and 47.1%, respectively) were higher than in color P (23.5%), but this difference was not statistically significant (p=0.148). Conclusion: In implant surgery planning, pseudocolor imaging can be an alternative as a non-invasive adjunctive diagnostic method, especially in the evaluation of the sinus mucosa of maxillary posterior edentulous region in patients with unknown dental history.
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    Evaluation of the Mental Foramen and Accessory Mental Foramen with Cone Beam Computed Tomography
    (Selcuk University, 2025) Çımen, Tansu; Saka, Yunus Yiğit; Kayacan Ünel, Helin; Duruel, Onurcem
    Background: Some anatomical variations, such as accessory mental foramen (AMF) should be considered to prevent clinical complications. This study aimed to assess the AMF via cone beam computed tomography (CBCT) and evaluate its relationship with the mental foramen (MF). Methods: Of 244 CBCT images, the AMF and MF diameter, AMF number, MF– crest distance, MF–mandibular basis distance, AMF–crest distance, and AMF– mandibular basis distance were measured. Results: The prevalence of AMF was 9.4% with a total of 46. The diameters of the first and second AMFs were 0.67 ± 0.28 mm and 0.56 ± 0.11 mm on the right, 0.68 ± 0.23 mm and 0.46 ± 0.11 mm on the left, respectively. MF diameters were 2.06 ± 1.37 mm (right side) and 1.91 ± 0.45 mm (left side). The AMF–crest distances for the first and second AMFs were 15.18 ± 2.77 mm and 13.5 ± 2.0 mm (right side), 13.90 ± 3.01 mm and 12.23 ± 0.9 mm (left side), respectively. Some patients had multiple foramina in the area surrounding the MF. First and second AMF–mandibular basis distances were 16.63 ± 2.64 mm and 14.13 ± 4.36 mm (right side), 13.14 ± 2.4 mm and 14.40 ± 3.21 mm (left side). Conclusion: Considering the presence of AMFs during surgical procedures and local anesthesia is critical. It may be damaged during surgical operations. CBCT is a useful method for determining the presence of AMFs to prevent possible complications. © 2025, Selcuk University. All rights reserved.
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    Öğe
    EXAMINATION OF MANDIBULAR LATERAL LINGUAL CANAL WITH CONE BEAM COMPUTED TOMOGRAPHY AND ITS RELATIONSHIP WITH ANATOMICAL STRUCTURES
    (2025) Çimen, Tansu; Saka, Yunus Yiğit; Sargın-Durakoğlu, Ayşe Gökçen; Duruel, Onurcem
    Background and Aim: The mandible contains many accessory foramina and canals, particularly on the lingual side. The aim of this study was to evaluate the presence of lateral lingual canal (LLC) and the number, diameter and position of lateral lingual foramen (LLF) using cone beam computed tomography (CBCT). Materials and Methods: CBCT images of 250 patients were retrospectively analyzed. The presence of LLC and the number, diameter and position of LLF were evaluated. The distance between LLF and top of alveolar crest and the distance between LLF and mandibular midline were measured. The effect of gender on numeric values was analyzed by Student’s t-test (p<0.05). Results: LLC was present 55.4% in patients, 53.2% were on the right side and 57.6% were on the left side. The mean diameters of LLF were 0.65±0.24 mm and 0.69±0.23 mm for the right and left sides, respectively. LLF was classified as mono 46.8% for the right side and 51.6% for the left side. LLF was observed more frequently in the second premolar region. The mean values of the distances from the LLF to the midline and to the alveolar crest were 14.30±3.73 mm and 21.07±4.13 mm for the right side and 14.61±3.50 mm and 20.65±4.92 mm for the left side, respectively. No effect of gender on numeric values except left LLF-crest distance was detected (p>0.05). The left LLF-crest distances were 20.59±3.61 mm in females and 20.70±5.86 mm in males (p=0.028). Conclusion: More than half of the participants had LLC in the present study. CBCT imaging can inform surgeons about the presence, number, dimensions and location of LLC and LLF, as well as the presence of possible arterial and vascular structures.
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    Öğe
    EXAMINATION OF THE MANDIBULAR LATERAL LINGUAL CANAL WITH CONE BEAM COMPUTED TOMOGRAPHY AND ITS RELATIONSHIP WITH ANATOMICAL STRUCTURES
    (Hacettepe Üniversitesi, 2025) Çimen, Tansu; Saka, Yunus Yiğit; Durakoğlu, Ayşe Gökçen Sargın; Duruel, Onurcem
    Background and Aim: The mandible contains many accessory foramina and canals, particularly on the lingual side. There are two main categories of accessory foramina on the lingual side: medial and lateral lingual foramina. The canal structures of these foramina have been labelled "vascular canals" due to their arterial content. The aim of this study to evaluate the presence of lateral lingual canal, diameter, number and position of the lateral lingual foramen using cone beam computed tomography (CBCT). Materials and Methods: In this study, CBCT images of 250 patients who met our inclusion criteria were retrospectively analysed. Results: Lateral lingual canal (LLC) was detected on the right in 53.2% of the patients and on the left in 57.6%. The mean diameter of the lateral lingual foramina (LLF) on the right and left sides was 0.65 ± 0.24 mm and 0.69 ± 0.23 mm, respectively and the number of canals was mono in 88.6% of the right and 92.1% of the left. LLF was observed more frequently in the second premolar region. The mean values of the distance of the right LLF to the midline of the mandible and the alveolar crest top were 14.30 ± 3.73 mm and 21.07 ± 4.13 mm, respectively. The mean values of the distance of the left LLF to the midline of the mandible and the top of the alveolar crest were 14.61 ± 3.50 mm and 20.65 ± 4.92 mm, respectively. Conclusion: CBCT is recommended for preoperative imaging to determine the location and size of LLF to avoid any possible surgical complications. These vital structures must be assessed using precise CBCT evaluation.
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    Morphological Evaluation of Incisive Foramen According to Age, Gender and Edentulous Status
    (Ataturk Universitesi, 2024) Saka, Yunus Yiğit; Şatir, Samed; Çımen, Tansu
    Objective: Evaluation of the change in incisive foramen (IF) diameter and localization according to age, gender, edentulous status and other anatomical landmarks by cone beam computed tomography (CBCT). Method: 162 patients (81 females, 81 males, mean age 41.1+_15.2) were included in the study. IF diameter, distance between IF and the greater palatine foramen (GPF) and distance between IF and the most posterior of the median palatine bone (PNS: posterior nasal spine) were measured. The measurement values of the patients were compared with the Independent t-test according to gender and dental status. The relationship between age and measurements was examined with the Pearson correlation test. Results: The mean IF diameter of the patients was 3.78±0.95 mm. The mean IF diameter (P<.001), the distance between the right GPF and the IF (P=.023) and the distance between the IF and the PNS (P=.039) of the dentate patients were found to be significantly lower than the edentulous patients. Conclusion: The IF diameter and the IF-GPF distance were found to be lower in dentulous patients than in edentulous patients. It was determined that the IF diameter and the IF-GPF distance increased with age. © 2024, Ataturk Universitesi. All rights reserved.
  • Küçük Resim
    Öğe
    Panaromik radyografilerde maksiller sinüs içerisinde görülen maksiller molar dişlerin köklerinin konik ışınlı bilgisayarlı tomografi (CBCT) ile karşılaştırılması ve maksiller posterior dişlerdeki periapikal patolojilerin maksiller sinüslerdeki mukozal kalınlaşmaya etkisi
    (Alanya Alaaddin Keykubat Üniversitesi, 2024) Saka, Yunus Yiğit; Çimen, Tansu
    Çalışmamızın amacı panoramik radyografilerde maksiller molar dişlerin köklerinin maksiller sinüs ile ilişkisinin değerlendirilerek Konik Işınlı Bilgisayarlı Tomografi (KIBT) ile karşılaştırılması ve ayrıca maksiller posterior dişlerdeki periapikal patolojilerin maksiller sinüslerdeki mukozal kalınlaşmaya etkisinin araştırılmasıdır. Çalışmamızda Ağız, Diş ve Çene Radyolojisi Anabilim Dalı'nda daha önceden muayene olmuş ve Konik Işınlı Bilgisayarlı Tomografi ile maksiller bölgeyi içeren KIBT görüntüsü alınmış hastaların görüntüleri retrospektif olarak taranmıştır. Herhangi bir sistemik hastalığı bulunmayan, maksiller sinüslerde önceden yapılmış sinüs lift operasyonu olmayan, maksiller posterior bölgelerde implant cerrahisi yapılmamış 20-50 yaş aralığında 298 hastadan 969 adet maksiller 1. ve 2. molar diş çalışmaya dahil edilmiştir. Bulunan sonuçlara göre istatistiksel veriler IBM SPSS V23 ile analiz edilmiş olup kategorik verilerin karşılaştırılmasında Fisher-Freeman-Halton testi ve Pearson Ki Kare testi kullanılmıştır. Verilerin normal dağılıma uygunluğu Kolmogorov Smirnov ve Shapiro Wilk testleri ile incelendi. Üç ve üzeri gruplara göre normal dağılıma uymayan verilerin karşılaştırılmasında Kruskal Wallis H testi kullanıldı. Çoklu karşılaştırmalar da Bonferroni Düzeltmeli Z testi ile incelenmiştir. Sonuçlar arasındaki uyumun incelenmesinde Kappa testi kullanılmıştır. Sonuç olarak panoramik radyografilerde maksiller sinüs içerisinde izlediğimiz maksiller molar dişlerin kökleri, %72,1 oranında KIBT'de de maksiller sinüs içerisinde tespit edilmiştir. Dişlerin %89'unda periapikal bölgede lezyon izlenmemiş olup bunların da %26,6'sında mukozal kalınlaşma (>2mm) tespit edilmiştir. Ayrıca mukozal kalınlaşma (>2mm) olduğunda da en sık (%39,5) 2-5 mm kalınlaşma tespit edilmiştir. Dişlerin %11'inde periapikal lezyon görülmüş olup bunların %66,3'ünde mukozal kalınlaşma (>2mm) görülmüştür. Periapikal lezyonlu dişlerde de en sık (%40,1) 2-5 mm mukozal kalınlaşma tespit edilmiştir. Periapikal lezyon varlığı ile mukozal kalınlaşma derecesi arasında istatistiksel olarak anlamlı bir bağlantı bulunmuştur (p <0,001).