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Single-Visit Endodontic Management of a Complex Endo-Periodontal Lesion in an Oncologic Patient with Systemic Comorbidities: A 12-Month Case Report. 一次就诊根管治疗的复杂牙周内病变肿瘤患者的系统性合并症:一个12个月的病例报告。
IF 3.1
Dentistry Journal Pub Date : 2025-08-26 DOI: 10.3390/dj13090388
Salvatore Distefano, Francesco Bellucci, Salvatore La Rosa, Giuseppe Evola, Carmelo Federico, Giovanni Barbagallo, Roberto Sammarco, Pietro Valerio Foti
{"title":"Single-Visit Endodontic Management of a Complex Endo-Periodontal Lesion in an Oncologic Patient with Systemic Comorbidities: A 12-Month Case Report.","authors":"Salvatore Distefano, Francesco Bellucci, Salvatore La Rosa, Giuseppe Evola, Carmelo Federico, Giovanni Barbagallo, Roberto Sammarco, Pietro Valerio Foti","doi":"10.3390/dj13090388","DOIUrl":"10.3390/dj13090388","url":null,"abstract":"<p><p><b>Background:</b> The endodontic management of patients with complex systemic conditions represents a significant clinical challenge, particularly in cases involving combined endodontic-periodontal lesions and extensive root resorptions. This case report, accompanied by a recent and targeted literature analysis, describes the single-session treatment of an oncologic patient with multiple systemic comorbidities, presenting with a communicating periapical and endodontic-periodontal lesion (EPL), as well as external cervical root resorption (ECR). <b>Methods:</b> Root canal treatment (RCT), combined with ECR repair, was performed using bioceramic materials, via thorough management and planning with cone-beam computed tomography (CBCT) and the aid of an operating microscope. <b>Results:</b> At the 12-month follow-up, complete clinical and radiographic healing was observed, including regeneration of the periodontal ligament and full functional recovery of the tooth. <b>Conclusions:</b> Contrary to what has been reported in the literature, where several studies highlight lower healing rates in patients with systemic comorbidities undergoing endodontic treatment, the present case report demonstrates a favorable and stable outcome. Moreover, the possibility of concentrating the intervention into a single session represents an additional advantage for this category of patients, who often face limited physical and temporal resources due to their concurrent oncologic condition.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 9","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12468082/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145147939","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}
引用次数: 0
Influence of SLM-, SLS-, and DMLS-Manufactured Titanium Meshes on Bone Gain Parameters and Complications: A Systematic Review. SLM-, SLS-和dmls -制造的钛网对骨增重参数和并发症的影响:系统综述。
IF 3.1
Dentistry Journal Pub Date : 2025-08-26 DOI: 10.3390/dj13090387
Viktor Savov, Stefan Peev, Ralitsa Yotsova, Varvara-Velika Rogova
{"title":"Influence of SLM-, SLS-, and DMLS-Manufactured Titanium Meshes on Bone Gain Parameters and Complications: A Systematic Review.","authors":"Viktor Savov, Stefan Peev, Ralitsa Yotsova, Varvara-Velika Rogova","doi":"10.3390/dj13090387","DOIUrl":"10.3390/dj13090387","url":null,"abstract":"<p><p><b>Background/Objectives</b>: Guided bone regeneration one of the most widely used techniques, relies on combining bone graft material with barrier membranes or meshes. The choice of the mesh material depends on the specific clinical situation. Among the available options, titanium membranes are recognized as one of the most effective in dental implantology. The latter can be categorized into two groups: commercial and individualized. Advancements in additive manufacturing make customized titanium meshes an attractive option for bone regeneration. Customized titanium meshes can be manufactured using three main methods: selective laser sintering (SLS), selective laser melting (SLM), and direct metal laser sintering (DMLS). This review aims to provide information about the differences between the production process and the clinical outcomes. <b>Methods</b>: This systematic review was conducted by the Preferred Reporting Items for Systematic Reviews and Meta-Analysis for Scoping Reviews (PRISMA-ScR). Relevant articles were sought out in the Web of Science, PubMed, and Scopus databases. <b>Results</b>: A total of ten articles were included and thoroughly reviewed. The type of bone graft used, the manufacturing technique, the amount of bone gain, the healing time, and the intraoperative and postoperative complications are discussed. <b>Conclusions</b>: All the relevant studies demonstrated good and predictable results using augmentation with individualized titanium meshes manufactured via SLS, SLM, or DMLS methods.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 9","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12468853/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145148236","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}
引用次数: 0
Artificial Intelligence in Dental Education: A Scoping Review of Applications, Challenges, and Gaps. 人工智能在牙科教育中的应用、挑战和差距。
IF 3.1
Dentistry Journal Pub Date : 2025-08-25 DOI: 10.3390/dj13090384
Mohammed El-Hakim, Robert Anthonappa, Amr Fawzy
{"title":"Artificial Intelligence in Dental Education: A Scoping Review of Applications, Challenges, and Gaps.","authors":"Mohammed El-Hakim, Robert Anthonappa, Amr Fawzy","doi":"10.3390/dj13090384","DOIUrl":"10.3390/dj13090384","url":null,"abstract":"<p><p><b>Background/Objectives:</b> This scoping review aims to map existing AI applications in dental education, in student learning, assessment, and diagnostic training, identifying key limitations and challenges. <b>Methods:</b> Following the Arksey and O'Malley framework and PRISMA-ScR guidelines, six databases were searched in March 2025 using combinations of the following search words: \"dental education,\" \"artificial intelligence,\" \"machine learning,\" and \"student assessment\". Inclusion was limited to English-language empirical studies focused on dental student education. Of 547 identified studies, 17 met the inclusion criteria. They were categorized into four domains: (1) Preclinical Training, (2) AI in Clinical, Diagnostic Training, and Radiographic Interpretation, (3) AI as an Assessment Tool and Feedback System, and (4) AI in Content Generation for Dental Education. <b>Results:</b> AI has positively influenced various domains, enhancing procedural accuracy, diagnostic confidence, assessment efficiency, and content delivery. However, it struggles to assess nuanced competencies like dexterity and clinical judgment. The challenges faced include disparate definitions of AI, ethical and privacy concerns, model variability, and a deficiency of dental leadership in AI development. At present, most tools are engineered by computer scientists and may not align effectively with the priorities of dental education. <b>Conclusions:</b> AI holds significant potential to enhance dental education outcomes. However, to guarantee its relevance and reliability, it requires standard frameworks, ethical oversight, and clinician-led development. Future research should concentrate on implementing real-time AI-driven feedback systems during preclinical training and advocate for more precise definitions to support consistent AI application and evaluation in dental education.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 9","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12468998/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145147949","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}
引用次数: 0
A Micro-Computed Tomography Analysis of Void Formation in Apical Plugs Created with Calcium Silicate-Based Materials Using Various Application Techniques in 3D-Printed Simulated Immature Teeth. 利用各种应用技术在3d打印模拟未成熟牙齿中使用硅酸钙基材料创建的根尖塞中形成空隙的微观计算机断层扫描分析。
IF 3.1
Dentistry Journal Pub Date : 2025-08-25 DOI: 10.3390/dj13090385
Krasimir Hristov, Ralitsa Bogovska-Gigova
{"title":"A Micro-Computed Tomography Analysis of Void Formation in Apical Plugs Created with Calcium Silicate-Based Materials Using Various Application Techniques in 3D-Printed Simulated Immature Teeth.","authors":"Krasimir Hristov, Ralitsa Bogovska-Gigova","doi":"10.3390/dj13090385","DOIUrl":"10.3390/dj13090385","url":null,"abstract":"<p><p><b>Background/Objectives</b>: The management of immature teeth with wide apical foramina presents significant challenges in endodontic treatment due to difficulties in achieving a hermetic seal. The aim of this study was to evaluate void formation in apical plugs created using three calcium silicate-based materials-Biodentine, NuSmile NeoPUTTY, and Well-Root PT-applied with the help of manual, ultrasonic, or rotary file condensation (XP-endo Shaper) in 3D-printed immature teeth. <b>Methods</b>: Micro-computed tomography analysis was used to assess the internal, external, and total void percentage of material volume. The statistical analysis was performed using two-way ANOVA and the post hoc Bonferroni test. Statistical significance was set at <i>p</i> < 0.05. <b>Results</b>: The materials and techniques used individually do not significantly influence the formation of internal voids, but their combination does (F(4, 99) = 2.717, <i>p</i> = 0.034). Both factors and their interaction are significant for external voids (F(4, 99) = 4.169, <i>p</i> = 0.004), and all have a notable effect on total void percentages (F(4, 99) = 3.456, <i>p</i> = 0.012). No significant differences were observed in internal voids across the groups (<i>p</i> > 0.05), ranging from 0.635% to 1.078%. External voids varied significantly, with Well-Root PT and ultrasonic condensation showing the highest values with a significant difference (<i>p</i> < 0.05), while NeoPUTTY and Biodentine with XP-endo Shaper exhibited the lowest. Total voids remained below 4%, with no significant differences among manual condensation groups. Neither material type nor application technique consistently influenced void formation, except for Well-Root PT with ultrasonic condensation. <b>Conclusions</b>: These findings suggest that modern bioceramic materials and application techniques produce comparable, low-void apical plugs, with XP-endo Shaper showing promise for minimizing external voids. The interaction between material and application technique plays a crucial role during the creation of apical plugs.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 9","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12468731/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145148235","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}
引用次数: 0
Antibacterial and Antibiofilm Activity of TheraBreath™ Oral Rinses: An In Vitro Study. TheraBreath™口腔冲洗液的抗菌和抗生物膜活性:一项体外研究
IF 3.1
Dentistry Journal Pub Date : 2025-08-24 DOI: 10.3390/dj13090383
Zaid A Aboona, Laura A Young, Joshua J Thomson
{"title":"Antibacterial and Antibiofilm Activity of TheraBreath™ Oral Rinses: An In Vitro Study.","authors":"Zaid A Aboona, Laura A Young, Joshua J Thomson","doi":"10.3390/dj13090383","DOIUrl":"10.3390/dj13090383","url":null,"abstract":"<p><p><b>Background/Objectives:</b> There are many commercial mouthrinses, used for a variety of purposes, including antiseptic activity. The objective of this study was to determine the antibacterial activity of various TheraBreath™ oral rinses against the cariogenic bacterium, <i>Streptococcus mutans</i>, and saliva-derived microbial communities, and their antibiofilm activity against <i>S. mutans</i> in vitro biofilms. <b>Methods:</b> Bactericidal activity against planktonic <i>S. mutans</i> was assessed by colony counting after 30 and 2 min exposures to mouthrinses. Ten saliva samples were exposed to mouthrinses for 30 s and plated aerobically on blood agar and Mitis Salivarius agar. Mature biofilms of <i>S. mutans</i> were treated with mouthrinses for 15 min followed by fluorescent vitality staining and polysaccharide measurement, followed by crystal violet staining for measurement of total biofilm remaining. Statistical analysis was performed using Kruskal-Wallis with Dunn's multiple comparisons test comparing all mean ranks (α = 0.05). <b>Results:</b> TheraBreath™ Fresh Breath, Healthy Smile, and Dry Mouth exhibited no significant antibacterial activity. TheraBreath™ Healthy Gums showed antibacterial activity against <i>S. mutans</i> and microbes from saliva samples similar to Listerine<sup>®</sup> Naturals at all exposure times. Whitening Fresh Breath showed intermediate killing of <i>S. mutans</i> after 30 min in liquid but not after 2 min or against salivary microbes. Live/Dead fluorescence vitality staining showed that Healthy Gums and Whitening Fresh Breath had antibacterial activity against mature biofilms of <i>S. mutans</i> statistically similar to Listerine<sup>®</sup> Naturals and Colgate<sup>®</sup> Total; however, Whitening Fresh Breath did not have significant killing compared to PBS. <b>Conclusions:</b> TheraBreath™ Healthy Gums demonstrated similar antiseptic activity levels to other antiseptic-claiming commercial rinses. Whitening Fresh Breath was comparable but unable to kill in short exposure times.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 9","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12468485/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145148315","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}
引用次数: 0
Porcelain Fused to Titanium-Advantages and Challenges. 钛熔瓷——优势与挑战。
IF 3.1
Dentistry Journal Pub Date : 2025-08-24 DOI: 10.3390/dj13090382
Zlatina Tomova, Desislav Tomov, Angelina Vlahova, Gergana Kirova, Yordanka Uzunova
{"title":"Porcelain Fused to Titanium-Advantages and Challenges.","authors":"Zlatina Tomova, Desislav Tomov, Angelina Vlahova, Gergana Kirova, Yordanka Uzunova","doi":"10.3390/dj13090382","DOIUrl":"10.3390/dj13090382","url":null,"abstract":"<p><p>Although dental implants appear to be an alternative for treatment of tooth loss, fixed prosthetic restorations are an irreplaceable part of oral rehabilitation. Regarding the EU directives concerning cobalt health risks, titanium alloys may be an alternative to cobalt-chromium and nickel-chromium for metal-ceramic dental restorations. The presented review briefly describes the specific properties of titanium, and the challenges met during production and use of titanium-ceramic fixed prosthetic restorations.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 9","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12468780/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145148348","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}
引用次数: 0
Orbital Cellutitis and Peri-Zygomatic Cutaneous Fistula After Monolateral Double Zygomatic Implant Placement: Case Report and Narrative Literature Review. 单侧双颧植入后眼眶细胞炎及颧周皮瘘:病例报告及文献回顾。
IF 3.1
Dentistry Journal Pub Date : 2025-08-21 DOI: 10.3390/dj13080381
Domenico Sfondrini, Stefano Marelli, Dario De Martis, Andrea Scribante, Giada Beltramini, Luca Autelitano, Lorenzo Preda
{"title":"Orbital Cellutitis and Peri-Zygomatic Cutaneous Fistula After Monolateral Double Zygomatic Implant Placement: Case Report and Narrative Literature Review.","authors":"Domenico Sfondrini, Stefano Marelli, Dario De Martis, Andrea Scribante, Giada Beltramini, Luca Autelitano, Lorenzo Preda","doi":"10.3390/dj13080381","DOIUrl":"10.3390/dj13080381","url":null,"abstract":"<p><strong>Background: </strong>The use of zygomatic implants (ZIs) provides a highly predictable treatment option for rehabilitation in patients with severe atrophic maxillae. However, these long implants can potentially cause a number of more serious complications than those seen with conventional dental implants. The aim of this study is to report a case of peri-zygomatic cutaneous fistula following placement of monolateral double zygomatic implants and to analyse the available literature on this complication.</p><p><strong>Methods: </strong>The 55-year-old patient was treated with placement of 3 ZIs, two on the left side. Left periorbital swelling with pain appeared 10 days after surgery with progressive worsening of symptoms. After antibiotic treatment, she developed a left cutaneous fistula with purulent discharge. CT showed two ZIs on the left side with the apical portions in close contact with a 1 cm-wide portion of resorbed zygomatic external cortex and a layer of granulation tissue.</p><p><strong>Results: </strong>Due to the limited amount of bone involved by the fixation tip, the left ZIs were removed and the skin fistula repaired. The patient healed without complications but required prosthesis replacement.</p><p><strong>Conclusions: </strong>After conducting a literature review, peri-zygomatic fistulas seem to be more common in patients with two ZIs placed on the same zygoma. In this case, the amount of available zygomatic bone is relatively limited; the bone drill holes can often be too close together and cause overheating, leading to inter-implant bone resorption and infection, with further orbito-zygomatic fistula development. The authors identified the lack of distance between ZI fixtures as one of the main causes of extraoral ZI infection.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 8","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12385572/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144946705","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}
引用次数: 0
A Digital Workflow for Virtual Articulator Mounting Using Face Scan and Facebow Capture: A Proof-of-Concept. 使用面部扫描和脸弓捕捉虚拟关节安装的数字工作流程:概念验证。
IF 3.1
Dentistry Journal Pub Date : 2025-08-20 DOI: 10.3390/dj13080378
Giuseppe D'Albis, Marta Forte, Laura Stef, Diana Ramona Feier, Victor Diaz-Flores García, Massimo Corsalini, Saverio Capodiferro
{"title":"A Digital Workflow for Virtual Articulator Mounting Using Face Scan and Facebow Capture: A Proof-of-Concept.","authors":"Giuseppe D'Albis, Marta Forte, Laura Stef, Diana Ramona Feier, Victor Diaz-Flores García, Massimo Corsalini, Saverio Capodiferro","doi":"10.3390/dj13080378","DOIUrl":"10.3390/dj13080378","url":null,"abstract":"<p><p><b>Objectives:</b> This article introduces a digital technique for virtual articulator mounting by employing the scan of a facebow worn by the patient as a virtual reference. <b>Methods:</b> The digital technique enables the transfer of the maxillary arch orientation relative to the cranial base into a CAD-CAM environment (Ceramill Mind; AmannGirrbach), without the need for ionizing radiation or identification of facial landmarks. By digitally aligning the intraoral scans of the dental arches (Trios 4; 3Shape) with a 3D facial scan and the scanned facebow in position (Artex; AmannGirrbach), clinicians can reproduce the cranium-to-maxilla spatial relationship accurately and intuitively. <b>Results:</b> This radiation-free protocol provides virtual cross-mounting and allows for the use of a semi-adjustable articulator within common CAD-CAM software. <b>Conclusions:</b> Given that intraoral scanners, facial scanners, and design software with articulator simulation are becoming more available in modern clinical workflows, this method introduced here could be a viable radiation-free and easy-to-use alternative. However, larger cohorts and standardized testing protocols are needed to determine its clinical reproducibility and reliability.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 8","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12384779/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144946858","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}
引用次数: 0
Evaluation of Compatibility of Different Attachment Types Used in Orthodontic Clear Aligners with Electron Microscopy. 用电子显微镜评价正畸透明矫正器中不同类型附着体的相容性。
IF 3.1
Dentistry Journal Pub Date : 2025-08-20 DOI: 10.3390/dj13080379
Can Sever, Can Arslan
{"title":"Evaluation of Compatibility of Different Attachment Types Used in Orthodontic Clear Aligners with Electron Microscopy.","authors":"Can Sever, Can Arslan","doi":"10.3390/dj13080379","DOIUrl":"10.3390/dj13080379","url":null,"abstract":"<p><p><b>Background/Objectives</b>: The effectiveness of clear aligner therapy depends significantly on the precision of force delivery through the aligner-attachment interface. This study aimed to evaluate the microscopic compatibility between different orthodontic clear aligner materials (Duran+ and Zendura FLX) and attachment designs (rectangular and optimized) using scanning electron microscopy (SEM). <b>Methods</b>: Fifty-six samples were divided into four groups: rectangular attachments with Duran+ aligners (n = 14), rectangular attachments with Zendura FLX aligners (n = 14), optimized attachments with Duran+ aligners (n = 14), and optimized attachments with Zendura FLX aligners (n = 14). Attachments were bonded to bovine incisors using standardized protocols. Clear aligners were thermoformed at 220 °C for 40 s. Cross-sectional samples were analyzed using SEM at 250× magnification. Gap measurements were taken at seven points for rectangular attachments and five points for optimized attachments. <b>Results</b>: Gap measurements ranged from 14.75 ± 1.41 µm to 91.07 ± 3.11 µm. Zendura FLX demonstrated significantly better adaptation than Duran+ with rectangular attachments (42.10 ± 1.07 µm vs. 44.52 ± 1.51 µm, <i>p</i> < 0.001). Optimized attachments showed better overall adaptation than rectangular attachments. All combinations showed regional variation with the largest gaps at gingival borders (67.18-91.07 µm) and the smallest at flat buccal surfaces (14.75-20.98 µm). <b>Conclusions</b>: Perfect adaptation was not achieved with any material-attachment combination tested. Material selection and attachment design significantly influence microscopic adaptation, with multi-layer materials and optimized geometries showing superior performance. These findings provide mechanical explanations for clinical limitations in clear aligner therapy.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 8","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12385661/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144946494","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}
引用次数: 0
Shear Bond Strengths of Composite Resin Bonded to MIH-Affected Hard Tissues with Different Adhesives and Pre-Treatments. 不同胶粘剂及预处理下复合树脂与mih影响硬组织的剪切结合强度。
IF 3.1
Dentistry Journal Pub Date : 2025-08-20 DOI: 10.3390/dj13080377
Cia Solanke, Hassan Shokoohi-Tabrizi, Andreas Schedle, Katrin Bekes
{"title":"Shear Bond Strengths of Composite Resin Bonded to MIH-Affected Hard Tissues with Different Adhesives and Pre-Treatments.","authors":"Cia Solanke, Hassan Shokoohi-Tabrizi, Andreas Schedle, Katrin Bekes","doi":"10.3390/dj13080377","DOIUrl":"10.3390/dj13080377","url":null,"abstract":"<p><p><b>Background</b>: Reduced bond strengths in hypmineralised enamel have been reported with increased restorative failures. This study aimed to investigate the shear bond strengths of resin composite to hypomineralised enamel and dentin bonded with two different adhesive systems and pre-treatments. <b>Methods</b>: Thirty-six freshly extracted first permanent molars with MIH and 17 sound third molars were used for shear bond strength tests in enamel and dentin. Specimens of control groups were bonded to resin composite using Scotchbond<sup>TM</sup> Universal Plus and Adper<sup>TM</sup> Scotchbond 1XT. MIH-affected enamel specimens of six test groups were pre-treated with various chemical agents, such as 35% phosphoric acid, 5% NaOCl, resin infiltration with ICON<sup>®</sup>, or a combination of these agents prior to bonding with composite resin using Scotchbond<sup>TM</sup> Universal Plus. Bonded specimens were subsequently sheared at a crosshead speed of 1.0 mm/min, after which their fracture modes were recorded. The mean bond strengths of all groups were compared using a one-way analysis of variance test (ANOVA) and a Bonferroni-Holm analysis was performed for pairwise comparison between the groups. The association between modes of failure was examined with Pearson's chi-square test. <b>Results</b>: Mean shear bond strength values were highest for sound dentin specimens (Group SD 2) bonded with Scotchbond<sup>TM</sup> Universal Plus (23.76 ± 7.68 MPa). Sound enamel specimens (Group SE 2) exhibited significantly higher mean bond strength values than MIH-enamel specimens (Group HE 2) when bonded with Scotchbond<sup>TM</sup> Universal Plus (19.68 ± 6.25 vs. 11.53 ± 3.29 MPa, <i>p</i> < 0.001). Oxidative pre-treatment followed by resin infiltration significantly improved bond strengths to hypomineralised enamel (Group HE 6) (17.84 ± 2.98 MPa, <i>p</i> < 0.05). Bond strengths to sound and hypomineralised enamel and dentin did not differ significantly for both adhesives. <b>Conclusions</b>: Within the limitations of an in vitro study, oxidative pre-treatment in combination with resin infiltration seems to be beneficial when planning adhesive restorations with composite in hypomineralised enamel. Both Scotchbond<sup>TM</sup> Universal Plus and Adper<sup>TM</sup> Scotchbond 1XT can be used for bonding of resin composite to MIH-affected enamel and dentin.</p>","PeriodicalId":11269,"journal":{"name":"Dentistry Journal","volume":"13 8","pages":""},"PeriodicalIF":3.1,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12385336/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144946751","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}
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