Journal of Clinical and Experimental Dentistry最新文献

{"title":"Enhancing Shear Bond Strength of Composite to In-Office Bleached Enamel with Biomimetic Remineralizing Agents: An <i>In-Vitro</i> Study.","authors":"Sanjana Agarwal, Shashi Rashmi Acharya, Shubha Chhaparwal, Arun Mayya, Akshatha Chatra","doi":"10.4317/jced.62159","DOIUrl":"10.4317/jced.62159","url":null,"abstract":"<p><strong>Background: </strong>Bleaching procedures alter enamel microstructure, impacting composite bonding. Biomimetic remineralizing agents may restore the bond strength post-bleaching. This in-vitro study aimed to evaluate and compare the role of remineralizing agents on the shear bond strength of composite to in-office bleached enamel using the total-etch technique.</p><p><strong>Material and methods: </strong>28 human maxillary premolars were extracted for orthodontic purposes and split into buccal and palatal halves. The 55 samples were divided into five groups. Bleaching procedure was conducted and remineralizing agents were applied twice daily for 5 minutes over 24 days. The five groups included a negative control (Group 1) and groups treated with GC Tooth Mousse Plus (Group 2), Curodont Repair (Group 3), Regenerate Paste (Group 4), and CTx4 Gel (Group 5). A universal composite restorative was applied after total-etch and adhesive application. Shear bond strength was evaluated using an Instron 3366 universal testing machine with a 0.5mm/min loading rate. SEM analysis to assess the failure mode was evaluated on the representative samples. The normality of the data was assessed using the Shapiro-Wilkinson test. Inferential statistics were done using the Whitney U Test (between the groups).</p><p><strong>Results: </strong>Results of all the test groups (Groups 2-5) had statistically significant differences (<i>P</i>< 0.05) when compared with the negative control group (Group 1). There was a significant difference between Group III (Curodont Repair - p11-4 peptide) and Group IV (Regenerate Paste-NR5 Technology) with Group IV being the superior one.</p><p><strong>Conclusions: </strong>The null hypothesis was rejected. Remineralizing agents enhance the shear bond strength of composite to in-office bleached enamel using the total-etch technique. Regenerate paste (nR5 Technology) showed statistically better results than Curodont Repair paste (p11-4 peptide). <b>Key words:</b>CPP-ACP, Nano-hydroxyapatite, NR-5 Technology, Remineralization, Shear bond strength, Self-assembling peptide P11-4, Tooth bleaching.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e569-e575"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142359/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metastasis of oncocytic thyroid carcinoma in the mandibular condyle: An exceptional localization.","authors":"Noemí Vieira-Sebe, Fernando Almeida-Parra, Álvaro Ranz-Colio, Esther Moreno-Moreno, Julio Acero-Sanz","doi":"10.4317/jced.62635","DOIUrl":"10.4317/jced.62635","url":null,"abstract":"<p><strong>Introduction: </strong>Oncocytic thyroid carcinoma, previously known as Hürthle cell carcinoma, is a well-differentiated neoplasm accounting for 3-5% of malignant thyroid tumors. This type of carcinoma exhibits aggressive behavior with a propensity for lymphovascular invasion and distant metastases.</p><p><strong>Objective: </strong>To present an unusual clinical case of oncocytic thyroid carcinoma metastasis to the right mandibular condyle, highlighting its surgical management and clinical significance.</p><p><strong>Case report: </strong>An 86-year-old woman with a history of oncocytic thyroid carcinoma treated with total thyroidectomy and radioactive iodine in 2019. During follow-up, elevated thyroglobulin levels were detected, and a PET-CT scan revealed uptake in the right mandibular condyle. The lesion was confirmed by magnetic resonance imaging and surgical biopsy and was treated with a right condylectomy. Histopathological analysis revealed bone infiltration by oncocytic carcinoma. The patient had a favorable postoperative course, with undetectable serum thyroglobulin levels after surgery.</p><p><strong>Discussion: </strong>Bone metastases from oncocytic carcinoma are rare, with the lungs being the most common metastatic site. To our knowledge, this is the second reported case of mandibular metastasis and the first involving the mandibular condyle, underscoring the importance of radical surgical intervention and a multidisciplinary approach in such cases.</p><p><strong>Conclusions: </strong>This case highlights the aggressive nature of oncocytic thyroid carcinoma and the importance of early diagnosis and personalized treatment to improve the prognosis of bone metastases. <b>Key words:</b>Oncocytic thyroid carcinoma, bone metastases, mandible metastases.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e614-e618"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142357/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Rare Case of Myofibroma of the Mandible Complicated by Traumatic Neuroma Arising After a Conservative Surgical Approach.","authors":"Gabriel Pereira Rosa, José Renato Brandão, Thiago Pires Claudio, Matheus Antoni da Silva Costa, Rogério de Oliveira Gondak, Elena Riet Correa Rivero, Ricardo Luiz Cavalcanti de Albuquerque-Júnior","doi":"10.4317/jced.62278","DOIUrl":"10.4317/jced.62278","url":null,"abstract":"<p><p>Myofibroma (MF) is an uncommon benign mesenchymal neoplasm composed of myofibroblasts. Traumatic neuroma (TN) is a non-neoplastic proliferative disorder of the nerve sheath in response to injury or surgery. Both are uncommon in the jaws. We present a case of a 39-year-old Afro-descendant woman with a unilocular radiolucent lesion in the posterior mandible, showing mild expansion and cortical disruption. Biopsy revealed proliferation of fascicularly arranged spindle cells strongly positive for α-SMA and podoplanin, with low Ki-67 (<5%), and the final diagnosis was central MF. Ten months after enucleation and curettage, persistent pain led to a second biopsy, which revealed proliferation of multiple hyperplastic nerve fascicles consistent with TN. The postoperative course was uneventful with 14-month follow-up. A discussion on the clinicopathological criteria for differential diagnosis of MF and other spindle cell tumors as well as the rare occurrence of post-surgical TN is also provided. <b>Key words:</b>Mouth neoplasms, differential diagnosis, mandible, oral pathology.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e594-e598"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142373/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic cyclic fatigue resistance of Reciproc® Blue, One Reci®, R-Motion®, and two Replica-Like endodontic files after autoclave sterilisation and/or immersion in sodium hypochlorite: A comparative <i>in vitro</i> study.","authors":"Néstor Ríos-Osorio, Sandra Briñez-Rodríguez, Rafael Fernández-Grisales, Juan Triana-Correa, Anthony Pushaina-Velásquez, Hernán García-Restrepo, David Betancur-Calle, Camilo Meza-Meza, Adriana Tapia-Sierra, Carolina Berruecos, José Sierra-Sánchez","doi":"10.4317/jced.62529","DOIUrl":"10.4317/jced.62529","url":null,"abstract":"<p><strong>Background: </strong>To compare the cyclic fatigue resistance (CFR) of Reciproc® Blue (RB), One Reci® (OR), R-Motion® (RM), Roll Wave Gold (RW) and RCS Blue T (RCS B-T) instruments.</p><p><strong>Material and methods: </strong>525 files (105 RB (25/0.08), 105 OR (25/0.06), 105 RM (25/0.06), 105 Wave Roll (25/0.07) and 105 RCS Blue T (25/0.06) were assigned into 7 groups (n =15) for each brand. Group 0: Instruments were not exposed to NaOCl or sterilization. Groups 1 and 4: instruments were exposed to 5% NaOCl 1 and 3 times, respectively. Groups 2 and 5: instruments were sterilized 1 and 3 times, respectively. Groups 3 and 6: Instruments were exposed to both, NaOCl and sterilization 1 and 3 times, respectively. Subsequently, files underwent a dynamic CFR test. The chemical composition of the files' surfaces from Group 0 was determined using energy-dispersive X-ray spectroscopy (EDS). Cyclic fatigue resistance time was statistically analysed using 1-way ANOVA and the Kruskal-Wallis test. Post hoc multiple range analysis applying Tukey's test and the Games-Howell test was conducted to assess significant differences.</p><p><strong>Results: </strong>Greater CFR values were observed in the RB instruments, followed by the RM, OR, RW and RCS B-T files, respectively (<i>p</i><0.05). No significant differences were observed among RM, OR and RW files (<i>p</i>>0.05). The lowest CFR values were observed in the RCS B-T files(<i>p</i><0.05). The CFR of RB, RM, and OR decreased when the instruments were autoclaved and immersed in 5% NaOCl (<i>p</i>>0.05) (3 times) compared with the control group.</p><p><strong>Conclusions: </strong>The RB displayed the best CFR values. The RB, RM and OR instruments were more vulnerable to the repeated cycles of NaOCl immersion combined with autoclave sterilisation. The high density of microstructural defects on the surface of RW and RCS B-T instruments, caused by a lack of quality control, makes their biomechanical behaviour unpredictable. <b>Key words:</b>Dynamic cyclic fatigue, nickel-titanium, autoclave sterilisation, sodium hypochlorite, Replica-Like endodontic files.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e542-e551"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142362/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"<i>In vitro</i> comparison of the surface microhardness of three nanohybrid resin composites immersed in different pigmented beverages for varying exposure times.","authors":"Wendy Ayala-Amaya, Leonor Castro-Ramirez, Flor Santander-Rengifo, María Alvino-Vales, Denisse Turpo-Claudio, César Cayo-Rojas","doi":"10.4317/jced.62640","DOIUrl":"10.4317/jced.62640","url":null,"abstract":"<p><strong>Background: </strong>To assess the surface microhardness (SMH) of three nanohybrid resin composites after immersion in different pigmented beverages for varying exposure times.</p><p><strong>Material and methods: </strong>This <i>in vitro</i> longitudinal experimental study consisted of 120 samples equally distributed for Filtek Z350XT, Tetric N-Ceram, and Brillant NG resin composites. These were immersed for 1, 4, and 7 days in burgundy wine, ground coffee, purple corn beverage, and artificial saliva (control). For statistical analysis, the Kruskal-Wallis H-test and Friedman's test with Bonferroni's post hoc test were used. The significance level was <i>p</i><0.05.</p><p><strong>Results: </strong>When comparing the SMH on days 1, 4, and 7 of immersion in different beverages, it was evident that there were no significant differences in the composite resins Filtek Z350XT (<i>p</i> = 0.678, <i>p</i> = 0.731, and p<i>p</i> = 0.225; respectively) and Tetric N-Ceram (<i>p</i> = 0.214, <i>p</i> = 0.382, and <i>p</i> = 0.521; respectively). However, there were significant differences in Brilliant NG resin composite (<i>p</i> = 0.010, <i>p</i> = 0.011, and <i>p</i> = 0.006; respectively), showing that coffee significantly decreased the SMH of this resin compared to artificial saliva (<i>p</i> = 0.012, <i>p</i> = 0.007, and <i>p</i> = 0.004; respectively). In addition, burgundy wine, ground coffee, and purple corn significantly decreased the SMH of the three composite resins over time (<i>p</i><0.001).</p><p><strong>Conclusions: </strong>Brilliant NG resin composite significantly decreased its SMH on days 1, 4 and 7 of immersion in all beverages compared to Filtek Z350XT and Tetric N-Ceram resin composites. On the other hand, over time, burgundy wine, ground coffee, and purple corn significantly decreased the SMH of all three resin composites, while artificial saliva did not. <b>Key words:</b>Microhardness, nanohybrid resins, pigment drinks, in vitro study.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e493-e500"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142371/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An Exuberant Calcifying Epithelial Odontogenic Tumor in the Posterior Maxilla: A Case Report.","authors":"Rodrigo Silva, Carolina Ruppel, Ramon Cesar Godoy Gonçalves, Roberto de Oliveira Jabur, Ana Luiza Oliveira Corrêa Roza, Pablo Agustin Vargas, Marcelo Carlos Bortoluzzi","doi":"10.4317/jced.62701","DOIUrl":"10.4317/jced.62701","url":null,"abstract":"<p><p>This case report presents a rare instance of a Calcifying Epithelial Odontogenic Tumor (CEOT) in the maxilla of a 52-year-old male, characterized by a painless, growing mass and facial asymmetry. Imaging revealed extensive involvement of the maxillary sinus, nasal cavity, pterygoid plate, and infraorbital margin. Histopathological analysis confirmed the diagnosis, showing polyhedral odontogenic epithelium with amyloid-like material. The patient underwent conservative surgical excision, preserving function and aesthetics, with no recurrence observed at 16 months postoperatively. This case underscores the importance of a multidisciplinary approach in managing CEOT, particularly in complex anatomical regions, to achieve favorable outcomes. Long-term follow-up remains essential. <b>Key words:</b>Calcifying Epithelial Odontogenic; Pindborg tumor; CEOT; maxilla; odontogenic tumors.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e599-e603"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142358/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Imaging features of a brown tumor with extensive skull involvement: Relevance for dental radiology.","authors":"Artemisa Fernanda Moura Ferreira, Francisco de Assis Limeira-Júnior, José Jhenikártery Maia de Oliveira, Paulo Rogerio Ferreti Bonan, Marcelo Augusto Oliveira de Sales","doi":"10.4317/jced.62709","DOIUrl":"10.4317/jced.62709","url":null,"abstract":"<p><p>This case report describes a rare, asymptomatic brown tumor in a patient with end-stage renal disease. The lesion was incidentally detected during a computed tomography (CT) scan of the paranasal sinuses, performed upon a dentist's recommendation to investigate maxillary sinusitis. CT imaging revealed an expansive osteolytic lesion with irregular margins and a ground-glass appearance involving the left side of the sphenoid and frontal sinuses. Subsequent magnetic resonance imaging (MRI) with multiplanar T1 and T2-weighted sequences without contrast demonstrated a solid tissue-like expansive lesion affecting the left frontal and sphenoid bones, mildly compressing adjacent cerebral parenchyma. Despite these findings, the patient remained asymptomatic. Conservative management, including pharmacological therapy with calcimimetics to control parathyroid hormone levels, was initiated. A follow-up MRI after five years showed lesion stability without significant changes. The patient later underwent a renal transplant, which effectively stabilized the bone disease and improved his quality of life. This case underscores the pivotal role of computed tomography (CT) in detecting incidental systemic skeletal changes and the indispensable importance of interdisciplinary collaboration in managing complex conditions in systemically compromised patients, where each professional's expertise is crucial for the patient's well-being. <b>Key words:</b>Sinusitis, Brown Tumor, Hyperparathyroidism, Multidetector Computed Tomography, Magnetic Resonance Imaging, Multidisciplinary Care Teams.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e604-e607"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142367/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The influence of cone-beam computed tomography and endodontic practitioners' proficiency level on diagnosis and treatment planning of root resorption.","authors":"Emel Olga Onay, Derin Bugu Yuzer, Eda Cakmak, Kamran Gulsahi","doi":"10.4317/jced.62382","DOIUrl":"10.4317/jced.62382","url":null,"abstract":"<p><strong>Background: </strong>A precise diagnosis is essential for formulating an effective treatment plan for both internal and external resorptions. Cone-beam computed tomography (CBCT) offers a three-dimensional view of the maxillofacial area, capturing images from coronal, axial, and sagittal angles. This method overcomes the limitations of conventional intraoral radiography (IR), especially when it comes to detecting and identifying defects related to internal and external resorption. Thus, the aim of this study was to assess whether CBCT imaging affects the accuracy of diagnosing and planning treatment for internal and external resorption defects differently between endodontic residents (ERs) and specialists (ESs).</p><p><strong>Material and methods: </strong>Thirty-five clinicians reviewed 3 internal and 3 external resorption cases using clinical histories and intraoral radiographs (IRs), then answered questions about their diagnosis and treatment decisions. One month later, they re-evaluated the cases with CBCT and answered similar questions. Data analyzed using Mc-Nemar chi-square test and Prevalence Adjusted Bias Adjusted Kappa statistic. The level of statistical significance was set off <i>p</i>< 0.05 in all data.</p><p><strong>Results: </strong>CBCT significantly improved diagnostic accuracy in 2 out of 6 cases (<i>p</i>< 0.001) and altered the treatment plan in 4 out of 6 cases (<i>p</i>< 0.05). There was no significant difference between ERs and ESs regarding diagnosis and treatment planning using the same imaging technique (<i>p</i>> 0.05).</p><p><strong>Conclusions: </strong>This study suggests that CBCT provides more detailed information compared to IR, with both imaging techniques allowing ERs and ESs to achieve similar diagnostic and treatment planning accuracy. <b>Key words:</b>Clinical decision making, cone-beam computed tomography, dental radiography, diagnosis, root resorption.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 5","pages":"e515-e520"},"PeriodicalIF":0.0,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12142370/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144248136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oral viral, fungal, and bacterial infections linked to comorbidities: A case series from a Brazilian referral center.","authors":"Daniella Estanho, Lucas Fellipe do Amaral-Sobrinho, Fernanda Silva de Lima, João Pedro Silva Contreiras, Michelle Agostini, Natália Silva Andrade, José Alcides Almeida de Arruda, Sandra R Torres, Sílvia Paula de Oliveira, Bruno Augusto Benevenuto de Andrade, Jefferson R Tenório","doi":"10.4317/jced.62619","DOIUrl":"https://doi.org/10.4317/jced.62619","url":null,"abstract":"<p><strong>Background: </strong>Oral infections exhibit variability in their causative agents and clinical presentations, underscoring the necessity of accurate diagnosis for effective management. Despite extensive documentation globally, data on these infections from Brazil remain scarce. This study aimed to assess the occurrence, clinical features, and differential diagnosis of oral viral, fungal, and bacterial infections at a single center in southern Brazil.</p><p><strong>Material and methods: </strong>A retrospective analysis was conducted between 2010 and 2023. Clinicodemographic data, comorbidities, and routine medication use were analyzed descriptively and statistically.</p><p><strong>Results: </strong>A total of 462 cases were included. The median age was 49.5 years (range: 2-100). Viral infections were the most frequent (65.8%), with squamous papilloma accounting for 49.4% of cases. Fungal infections comprised 29.4% of cases, predominantly erythematous candidiasis (20.8%) and pseudomembranous candidiasis (5.6%). These infections were more common in women, older adults (<i>p</i><0.001), and individuals with comorbidities such as systemic arterial hypertension (<i>p</i>=0.006) and diabetes mellitus (<i>p</i>=0.028). Bacterial infections were rare (4.8%), with actinomycosis being the most frequent (2.2%).</p><p><strong>Conclusions: </strong>Data from our series on oral viral, fungal, and bacterial infections align with the literature. The results emphasize the importance of tailored diagnostic approaches, particularly for at-risk patient populations. <b>Key words:</b>Bacterial infections, Communicable diseases, Mycoses, Oral manifestations, Virus diseases.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 4","pages":"e382-e392"},"PeriodicalIF":0.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12077827/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144077927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Single cone and bioceramic sealer in oval canals: Efficiency endodontic obturation.","authors":"Nicolás Collado-Castellanos, Pedro Micó-Muñoz, Alberto Albero-Monteagudo, Annayancy Castañeda-Argueta, Mahnoor Aamir, Vicente Faus-Llácer","doi":"10.4317/jced.62633","DOIUrl":"https://doi.org/10.4317/jced.62633","url":null,"abstract":"<p><strong>Background: </strong>To compare the volume of voids in oval canals obturated with single cone and bioceramic sealer (SCBC), single cone with lateral condensation or Guttacore by means of micro- computed tomography analysis. To measure the obturation time used for each technique.</p><p><strong>Material and methods: </strong>65 uni-radicular teeth with an oval canal were selected. Canals were shaped with Protaper Next and divided into three groups according to the tested obturation technique. The time taken to obturate the canals was recorded. Each specimen was scanned using micro-CT at a voxel resolution of 25 µm. The volume of detected voids and volume of obturated canal was calculated in relation to the total volume. Voids were classified according to their location in the radicular thirds. 2D images obtained were used to calculate the percentage of filled area and percentage of voids. ANOVA test was used to assess significant differences in voids detected in the root thirds and obturation time. Multiple comparisons were made with the Bonferroni test. To analyze the root thirds Kruskal-Wallis was used and for pairwise comparisons Mann-Whitney with Bonferroni modification.</p><p><strong>Results: </strong>The highest percentage of void volume and void area was found in the single cone group with lateral condensation technique. These differences were significant in the apical third (<i>p</i><0,01). SCBC was significantly faster (<i>p</i><0.001).</p><p><strong>Conclusions: </strong>The three-obturation techniques achieved low void rates. SCBC had the least number of voids and was the fastest obturation technique. Clinical Relevance: In oval canals the quality of obturation carried out with these techniques were suitable and clinically acceptable. SCBC was the most efficient obturation technique. <b>Key words:</b>Bioceramic sealer, Oval canals, Single cone technique, Root canal filling, Micro-CT analysis, Guttacore Obturator.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 4","pages":"e399-e406"},"PeriodicalIF":0.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12077837/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144078098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}