The International journal of prosthodontics最新文献

{"title":"3D Analysis of the Influence of Palatal Vault Depth on Digitization Accuracy of Partially Dentate Arches.","authors":"Enas Elhamy Negm, Mangala Patel, Paul Ryan","doi":"10.11607/ijp.9353","DOIUrl":"10.11607/ijp.9353","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the impact of palatal vault depth on the accuracy of scans obtained using three digitization techniques for partially dentate arches through 3D analysis.</p><p><strong>Materials and methods: </strong>Four maxillary Kennedy class II resin casts with varying palatal vault depths (flat: 20.4 degrees, shallow: 26.1 degrees, medium: 40.7 degrees, and deep: 58.8 degrees) were digitized using three techniques: direct (intraoral scanner), indirect impression digitization, and indirect cast digitization. Each cast was scanned five times per technique, producing 60 scans. The scanned files were analyzed for trueness and precision using a digital metrology program, with root mean square (RMS) deviations assessed via color maps. Data were analyzed using two-way ANOVA and Tukey HSD test (α = .05).</p><p><strong>Results: </strong>Direct digitization showed larger palatal deviations compared to indirect methods. The deep vault exhibited the lowest trueness (53.3 ± 7.4 μm) and precision (50.7 ± 6.6 μm) when digitized directly (P < .001). Indirect impression digitization produced the lowest trueness (35.8 ± 7.2 μm) and precision (31.5 ± 3.1 μm) for the medium vault. Indirect cast digitization had the lowest trueness (23.1 ± 3.4 μm) for the medium vault and the lowest precision (31.3 ± 3.2 μm) for the deep vault (P < .001).</p><p><strong>Conclusions: </strong>Digitization accuracy (trueness and precision) was significantly influenced by vault depth and the interaction between digitization technique and depth (P < .001). Direct digitization had the highest accuracy for the medium vault, whereas indirect techniques provided superior accuracy for other vault depths. The deep vault showed reduced accuracy with both direct and indirect digitization methods.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"647-657"},"PeriodicalIF":1.8,"publicationDate":"2026-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144103464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Rehabilitation of Failing Dentition with Implant-Assisted Overdentures: A Case Report.","authors":"Himanshu Arora, Jamie Foong, Saso Ivanovski","doi":"10.11607/ijp.9966","DOIUrl":"10.11607/ijp.9966","url":null,"abstract":"<p><p>This case report describes the prosthodontic rehabilitation of a 53-year-old man with failing dentition using a maxillary implant-assisted overdenture (IOD). Following full dental clearance and immediate complete denture provision, a total of six implants were placed in the maxilla with the aid of digital planning using a dual-scan CBCT technique and a 3D-printed surgical guide. The maxillary IOD incorporated an open-palate horseshoe design with metal reinforcement and Novaloc stud attachments, providing improved retention and reduced palatal coverage. At the 2-year follow-up, all implants were functional with improved patientreported outcomes, supporting maxillary IODs as an effective rehabilitation strategy aligned with the current consensus guidelines.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"35-42"},"PeriodicalIF":1.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148709255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnostic-Oriented Full-Arch Implant Rehabilitation: A Clinical Case Report Based on the 1st Global Consensus for Clinical Guidelines (GCCG 2026).","authors":"João Caramês, Helena Francisco, Artur Simões, Gonçalo Caramês, Duarte Marques","doi":"10.11607/ijp.9968","DOIUrl":"10.11607/ijp.9968","url":null,"abstract":"<p><strong>Purpose: </strong>To illustrate how the structured 1st Global Consensus for Clinical Guidelines (GCCG 2026) diagnostic recommendations translate into clinical practice in a complex, anatomically asymmetric case.</p><p><strong>Materials and methods: </strong>A 50-year-old man with maxillary edentulism secondary to stage IV generalized periodontitis underwent a GCCG-aligned diagnostic workflow: facial analysis, per-quadrant full-arch classification, flangeless try-in for preprosthetic ridge assessment, and dual-scan CBCT for prosthetically driven planning. Per-quadrant classification identified a case with anatomical asymmetry (Class II, first quadrant; Class IV, second quadrant), confirming an FP3 design and a quadrant-differentiated surgical strategy.</p><p><strong>Results: </strong>The structured diagnostic workflow enabled convergent, evidence-based decisions at every stage. Preprosthetic diagnosis established FP3 necessity and validated lip support. The dual-scan protocol supported prosthetically driven pilot-guided surgery. Definitive monolithic zirconia prostheses were delivered with verified passive fit at 6 months.</p><p><strong>Conclusions: </strong>The GCCG 2026 diagnostic framework is directly applicable in anatomically asymmetric edentulous maxilla cases. Per-quadrant assessment and preprosthetic diagnosis determined all downstream clinical decisions.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"15-25"},"PeriodicalIF":1.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148709264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Patient Selection for Rehabilitation of the Edentulous Maxilla: A Case Report Illustrating the Global Consensus for Clinical Guidelines Workflow.","authors":"Ethan Ng, Shaun Tan, Nikos Donos, Gil Alcoforado","doi":"10.11607/ijp.9945","DOIUrl":"10.11607/ijp.9945","url":null,"abstract":"<p><p>The Global Consensus for Clinical Guidelines (GCCG) provides a structured, evidence-based framework for treatment planning in the rehabilitation of the edentulous maxilla. Patient selection is illustrated in this case report of a 65-year-old man with well-controlled hypertension, hyperlipidemia, and type 2 diabetes mellitus who presented with severe tooth wear, loss of occlusal vertical dimension, limited vertical restorative space, and partial edentulism. A lobulated torus palatinus extending posteriorly was considered unfavorable for conventional complete denture retention. Dissatisfied with his removable partial denture, the patient sought a fixed prosthetic solution to improve mastication and comfort. Assessment of esthetics, lip support, phonetics, and facial profile demonstrated adequate support without the need for a denture flange. Prosthetically driven digital planning identified sufficient bone volume for standard-length implants in the anterior and left posterior maxilla but inadequate vertical bone height in the right posterior maxilla. Treatment options included segmental implant-supported fixed bridges, a full-arch implant-supported fixed dental prosthesis, a full-arch implant-retained overdenture, and a non-implant fixed-removable rehabilitation. Following structured discussion of the biologic and prosthetic risks, maintenance requirements, treatment duration, costs, and anticipated outcomes of the available options, the patient elected immediate full-arch implantsupported fixed rehabilitation through a shared decision-making process.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"5-13"},"PeriodicalIF":1.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148852302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Digital Planning for Navigation-Assisted Zygomatic Implant Rehabilitation: A Case Report.","authors":"Shengchi Fan, Rubén Davó, Jaijam Suwanwela, James Chow, Alessandro Pozzi, Nikos Mattheos","doi":"10.11607/ijp.9954","DOIUrl":"10.11607/ijp.9954","url":null,"abstract":"<p><p>Zygomatic implants (ZIs) have become a predictable graftless treatment option for rehabilitation of the severely atrophic edentulous maxilla. Recent Global Consensus for Clinical Guidelines (GCCG) recommendations have emphasized prosthetically guided treatment planning and advanced surgical expertise due to the anatomical complexity associated with ZI placement. This case report describes the digital planning workflow of a navigation-assisted hybrid rehabilitation approach in a 58-year-old man presenting with severe posterior maxillary atrophy and sufficient anterior residual bone for conventional implant placement. Following CBCT and intraoral scanning, a prosthetically driven virtual wax-up was performed for full-arch rehabilitation. Four anterior conventional implants and two posterior ZIs were digitally planned according to anatomical and restorative considerations. Dynamic computer-assisted implant surgery (D-CAIS) with fiducial marker-based registration was subsequently integrated into the workflow to facilitate navigation-assisted implant placement. The present case illustrates the integration of prosthetically driven digital planning with navigation-assisted implant surgery in hybrid ZI rehabilitation.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"27-34"},"PeriodicalIF":1.8,"publicationDate":"2026-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148709257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of Taste and Smell in Elderly Patients with Complete Dentures: A Cross-Sectional Observational Study.","authors":"Lucas Tavares Piacenza, Janaína Gabriely Sobral, Antonio Hernandes Chaves-Neto, Karina Helga Leal Turcio, Marcelo Coelho Goiato, Daniela Micheline Dos Santos","doi":"10.11607/ijp.9888","DOIUrl":"https://doi.org/10.11607/ijp.9888","url":null,"abstract":"<p><p>The aim of this study was to evaluate taste and smell function in older adults wearing complete dentures and to determine whether denture use influences these sensory perceptions. A cross-sectional clinical study was conducted with 19 edentulous older adults. Taste function was assessed using sweet, salty, bitter, and sour taste tests, while olfactory function was evaluated through olfactory threshold and odor identification tests. All assessments were performed with and without complete dentures. No significant differences in taste or smell function were observed between the conditions with and without complete dentures. However, regardless of denture use, participants showed lower sensitivity to sweet taste compared with the other taste modalities. In addition, a proportion of participants presented olfactory impairment, although these alterations were not associated with denture use. Within the limitations of this study, complete denture use did not adversely affect taste or smell function in older adults. The findings suggest that age-related and individual factors may play a greater role in chemosensory perception than denture use itself.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-18"},"PeriodicalIF":1.8,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Longitudinal Changes in Patient-Reported Orofacial Esthetics (OES-G) Following Fixed and Removable Prosthodontic Treatment: An Observational Study.","authors":"Malin Janson, Sarah Dederichs, Anja Liebermann, Christoph Matthias Schoppmeier","doi":"10.11607/ijp.9959","DOIUrl":"https://doi.org/10.11607/ijp.9959","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate longitudinal changes in patient-reported orofacial esthetics during prosthodontic treatment using the German version of the Orofacial Esthetic Scale (OES-G) and to assess differences according to prosthesis type and restoration stage.</p><p><strong>Materials and methods: </strong>This retrospective longitudinal observational study evaluated longitudinal OES-G data from 65 patients who underwent prosthodontic treatment, including fixed (n = 31) and removable (n = 34) prosthetic restorations. Orofacial esthetics were assessed using OES-G at baseline before treatment (T0), one week after treatment (T1), and two months after treatment (T2). Longitudinal changes were analyzed using linear mixed-effects models with time, prosthesis type, restoration stage, and their interaction as fixed effects. Internal consistency was assessed using Cronbach's alpha coefficients.</p><p><strong>Results: </strong>OES-G total scores increased significantly over time, rising from 51.5 ± 11.6 at baseline to 58.4 ± 8.9 at T1 and 60.3 ± 7.6 at T2. Significant time effects were observed in mixed-effects analyses (p < 0.001), with the largest improvement occurring between baseline and T2 (ΔM = +8.78, 95% CI +6.72 to +10.87). Definitive restorations were associated with significantly higher OES-G scores than provisional restorations (p = 0.021). Prosthesis type was not significantly associated with OES-G scores (p = 0.069); however, patients receiving removable prostheses demonstrated descriptively greater improvements over time. Internal consistency remained high across all assessment time points (Cronbach's α = 0.870-0.905).</p><p><strong>Conclusions: </strong>Patient-reported orofacial esthetics improved significantly following prosthodontic treatment and continued to evolve during follow-up. The findings support the OES-G as a reliable instrument for longitudinal assessment of patient-centered esthetic outcomes in prosthodontic care.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-17"},"PeriodicalIF":1.8,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Translucency and Flexural Strength of Contemporary Zirconia-Reinforced Lithium Disilicate.","authors":"Ziad N Al-Dwairi, Rami Al Fodeh, Adnan Nimri, Nadin Al-Haj Husain, Abedelmalek Tabnjh","doi":"10.11607/ijp.9977","DOIUrl":"https://doi.org/10.11607/ijp.9977","url":null,"abstract":"<p><strong>Purpose: </strong>Zirconia-reinforced lithium disilicate (ZLD) ceramics have been introduced to enhance the mechanical performance of conventional lithium disilicate while overcoming the machining limitations associated with milled zirconia-reinforced lithium silicate materials, thereby providing improved mechanical properties without compromising translucency. Therefore, this study aimed to compare biaxial flexural strength (BFS) and translucency parameter (TP) of the novel heat-pressed zirconia-reinforced lithium disilicate (ZLD) material (Vita Ambria) with conventional lithium disilicate (IPS e.max Press) at thicknesses mimicking veneers and crowns.</p><p><strong>Material and methods: </strong>Ninety disk-shaped specimens (Ø 13 mm) were fabricated in two thicknesses (0.5 mm and 1.2 mm) and divided into three groups (n = 30/group): IPS e.max Press, Vita Ambria High Translucent (HT), and Vita Ambria Translucent (T). TP was measured spectrophotometrically against black and white backgrounds. BFS was tested on 1.2 mm-thick specimens (n = 15/group) using a universal testing machine in accordance with ISO 6872. Data were analyzed using one-way ANOVA (BFS) and two-way ANOVA (TP), followed by Bonferroni post hoc tests (p < 0.05).</p><p><strong>Results: </strong>TP increased as thickness decreased for all materials. At 0.5 mm, Vita HT showed the highest TP (20.44 ± 0.99), followed by e.max (18.99 ± 0.83) and Vita T (17.92 ± 0.91). At 1.2 mm, e.max had the highest TP (10.88 ± 0.36), followed by Vita HT (10.09 ± 0.36) and Vita T (8.49 ± 1.19). BFS values showed significant differences among materials (P <0.001), with both Vita Ambria groups demonstrating significantly higher BFS (Vita HT: 473.38 ± 7.93 MPa; Vita T: 470.34 ± 8.62 MPa) than IPS e.max Press (438.30 ± 9.99 MPa). No significant difference was found between the two Vita Ambria translucency levels (P =1.000). Heat-pressed zirconia-reinforced lithium disilicate (Vita Ambria) demonstrated significantly superior biaxial flexural strength compared to conventional lithium disilicate (IPS e.max Press), regardless of translucency level. Translucency varied with material type and thickness, with High Translucent Vita Ambria being most aesthetic at reduced thickness (0.5 mm).</p><p><strong>Conclusions: </strong>Heat-pressed zirconia-reinforced lithium disilicate demonstrated higher biaxial flexural strength than conventional lithium disilicate under the conditions of this in-vitro study, while translucency varied according to material and thickness. These findings support its potential as an alternative restorative ceramic, although further aging and clinical studies are required before confirming long-term clinical performance.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-18"},"PeriodicalIF":1.8,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Different Materials for Extrinsic Characterization on the Properties of CAD-CAM Denture Base Resins: A Systematic Review of In Vitro Studies.","authors":"Ana Larisse Carneiro Pereira, Marta Revilla-León, Juliana Oliveira de Andrade, Valentim A R Barão, André Ulisses Dantas Batista","doi":"10.11607/ijp.10013","DOIUrl":"10.11607/ijp.10013","url":null,"abstract":"<p><strong>Purpose: </strong>The objective was to investigate whether extrinsic characterization composite/pigment influence the surface, mechanical, optical, and biological properties of resin-based CAD-CAM denture bases.</p><p><strong>Materials and methods: </strong>This systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and was registered in the Open Science Framework (OSF (10.17605/OSF.IO/W25KU). An independent electronic search was conducted by 2 reviewers in PubMed/MEDLINE, Cochrane Library, Scopus, Web of Science, Embase, ProQuest, and OpenGrey to identify studies published up to July 2026. The focused PICO question was: Does extrinsic characterization composite/pigment influence the surface, mechanical, optical, and biological properties of CAD-CAM denture base resins?</p><p><strong>Results: </strong>Six studies were included in this review. Nine extrinsic characterization composite/pigment were evaluated, including 3 low-viscosity (pigments) and 6 regular-viscosity (composite), along with 1 intrinsic characterization resin, applied at thicknesses ranging from 0.2 to 2.0 mm. Extrinsic characterization composite exhibited superior performance in terms of surface roughness, color stability, and flexural strength. In addition, these materials were associated with reduced fungal adhesion, particularly when followed by conventional polishing procedures, whereas extrinsic characterization pigments showed greater surface degradation and optical instability.</p><p><strong>Conclusions: </strong>Extrinsic characterization composite/pigments seem to influence the performance of CAD-CAM denture base resins. Extrinsic characterization composite (regular-viscosity) tended to exhibit more favorable optical, mechanical, and biological properties than extrinsic characterization pigments (low-viscosity).</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-37"},"PeriodicalIF":1.8,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial Intelligence in Evaluating Undergraduate Dental Students: Benchmarking AI Platforms Against Student Performance.","authors":"Alexia-Ecaterina Cârstea, Vlad-Gabriel Vasilescu, Ana-Maria Cristina Țâncu, Andreea-Cristiana Didilescu, Silviu-Mirel Pițuru, Marina Imre, Lucian-Toma Ciocan","doi":"10.11607/ijp.9742","DOIUrl":"10.11607/ijp.9742","url":null,"abstract":"<p><strong>Introduction: </strong>Artificial intelligence (AI), particularly large language models (LLMs), has demonstrated significant potential in educational assessment across medical disciplines. This study explores whether such models can match or surpass the performance of undergraduate dental students in a rigorous academic examination. This cross-sectional comparative study aims to compare the performance of three AI systems: ChatGPT, Gemini, and DeepSeek, with that of undergraduate dental students during a standardized final examination in prosthodontic technology.</p><p><strong>Materials and methods: </strong>A total of 49 second-year dental students completed a 45-item multiple-choice exam under standardized conditions. The same items were submitted to the AI models, and performance was analyzed using statistical methods including ANOVA, Cronbach Alpha and Tukey HSD to evaluate intergroup differences.</p><p><strong>Discussion: </strong>The integration of generative AI into medical and dental education needs critical reevaluation of assessment integrity.</p><p><strong>Results: </strong>DeepSeek achieved perfect scores on high-difficulty questions, while ChatGPT showed adaptive improvement across attempts. Both significantly outperformed the student cohort, whereas Gemini demonstrated lower and consistent accuracy; statistical analysis confirmed significant differences between models (P=0.036, η²=0.891).</p><p><strong>Conclusions: </strong>AI models can equal or exceed student performance in domain-specific assessments, raising concerns about the integrity of unsupervised digital evaluations. Consequently, summative examinations should not be conducted online without strict proctoring or secure, verified environments to ensure academic validity and prevent unauthorized AI-assisted performance.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-23"},"PeriodicalIF":1.8,"publicationDate":"2026-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}