Diş Hekimliği Fakültesi / Faculty of Dentistry

Permanent URI for this collectionhttps://hdl.handle.net/11727/2120

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    An Evaluation of the Relationship Between the Mesiobuccal Canal Configuration, the Interorifice Distance, and the Root Lengths of the Permanent Maxillary First Molars with Cone Beam Computed Tomography
    (DIAGNOSTICS, 2024-12) Ozemre, Mehmet Ozgur; Karslioglu, Hazal; Kamburoglu, Kivanc
    Background/Objectives: This study aimed to investigate the relationship between the mesiobuccal root canal configuration (MB RCC), the interorifice distance (IOD) and the corresponding root and other root lengths of the permanent maxillary first molars; Methods: Cone beam computed tomography (CBCT) images were acquired between 2020 and 2023 for different purposes unrelated to this study. Overall, 1550 CBCT images were retrospectively evaluated. A dentomaxillofacial radiologist with 15 years of experience evaluated the CBCT images and performed the measurements; Results: According to the MB RCC, there was no statistically significant difference between the Vertucci type II and Vertucci type IV groups in terms of the mean age and sex distribution (p = 0.694 and p = 0.273). There was no statistically significant difference in the IOD between the MB RCC groups (p = 0.755). Moreover, according to the MB RCC, there was no statistically significant difference between the Vertucci type II and Vertucci type IV groups in terms of the mesiobuccal, distobuccal, palatinal, and mean root lengths (p > 0.05); Conclusions: There was no association between the IOD and the type of RCC in the maxillary first molars. New studies conducted by collecting data from different centers to explore the different morphological features of maxillary first molars and detect their anatomical differences will provide more reliable and accurate results.
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    Assessment of Endodontic Emergency Care in a COVID-19 Pandemic
    (2022) Sisli, Selen Nihal; Koc, Cemre; Sayin, Ceren Efe; Gulsahi, Kamran; https://orcid.org/0000-0003-3510-7265
    Objective: This study compared the aerosol-generating and non-aerosol -generating endodontic emergency procedures' success and assessed the outcome of endodontic treatments initiated before a pandemic but could not be completed in the targeted time. Materials and Methods: Emergency treatments were performed according to symptoms of teeth. Treatment success or failure was determined according to patients whether not re-referral with untimely pain. Short-term outcome and complications arising from teeth, which endodontic treatments were prolonged were also recorded. A chi-square test was used in the statistical analysis, and p<0.05 was considered significant. Results: The aerosol-generating procedure group's success rate was 86.2%, while it was 70.0% in the non-aerosol generating procedure group (p=0.050). The short-term survival rate of teeth was 83.7% in patients whose endodontic treatment had been prolonged. Conclusion: Considering the pros and cons, each emergency patient should be evaluated case-by-case.
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    Comparison of Three Final Irrigation Activation Techniques: Effects on Canal Cleanness, Smear Layer Removal, and Dentinal Tubule Penetration of Two Root Canal Sealers
    (2017) Turkel, Elmas; Onay, Emel Olga; Ungor, Mete; 0000-0001-5800-8871; 28437194; B-4134-2008
    Objective: The aim of this study was to compare three final irrigation activation techniques with respect to their effects on debridement efficacy, smear layer removal, and dentinal tubule penetration of two different root canal sealers. Background data: Different applications to improve the delivery of irrigating solutions within the root canal system are currently being investigated, as not all of the mechanisms and effects of these techniques have been clearly identified. Materials and methods: One hundred forty-two single-rooted teeth were randomly divided into a control group and three experimental groups based on the irrigant activation technique used: EndoVac (EV) system, photon-induced photoacoustic streaming (PIPS), and conventional syringe irrigation (CSI). Thirteen specimens from each experimental group were evaluated for debris and smear layer removal using scanning electron microscopy. The remaining 30 specimens per group were divided into two subgroups according to the root canal sealer used: AH Plus and TotalFill BC. The maximum depth and total percentage of sealer penetration were measured using confocal laser scanning microscopy. Results: PIPS resulted in significantly less debris in the middle third of the root canal compared with CSI (p<0.01). There were no significant differences among CSI, EV, and PIPS concerning debris removal at coronal and apical levels or smear layer removal at all levels (p>0.05). TotalFill BC use after final irrigation with EV and CSI at 2mm or PIPS at 5mm exhibited a significantly higher percentage of sealer penetration than that with AH Plus (p<0.05). When AH Plus was used, PIPS allowed deeper sealer penetration than CSI at 2mm (p<0.05). Conclusions: The effects of EV, PIPS, and CSI on debridement efficacy, smear layer removal, and dentinal tubule penetration were almost comparable. TotalFill BC showed superior tubular penetration than AH Plus.
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    3D Printing in Endodontics: Report of Three Clinical Cases with Innovative Approaches
    (2021) Koc, Cemre; Capci, Abdullah; 34553896
    3D printing is a process whereby a given material is deposited in successive layers to create a 3D object. In dentistry, this technology involves three steps: digital data acquisition using a scanner and/or CBCT, data processing and design within a software application, and manufacturing through 3D printing. The aim of the present article is to discuss the clinical application of 3D printing in endodontics through the presentation of three specific and original endodontic clinical cases. Innovative approaches were utilized in these cases for the treatment of a calcified root canal, periapical surgery, and autotransplantation. The results of all three cases were promising regarding proper case selection and in the design process. 3D-printing technology may be helpful to reduce surgical time, operator bias, and the risk of procedural errors.