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Effect of preset torque setting on torque/force generation, shaping ability and surface changes of nickel titanium rotary instrument in different root canal curvature locations: An ex vivo study. 预设扭矩设置对镍钛旋转器械在不同根管弯曲位置产生的扭矩/力、塑形能力和表面变化的影响：体外研究。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-04-05 DOI: 10.4012/dmj.2023-244
M. Kyaw, A. Ebihara, Yoshiko Iino, Myint B Thu, K. Maki, S. Kimura, P. H. Htun, Takashi Okiji
{"title":"Effect of preset torque setting on torque/force generation, shaping ability and surface changes of nickel titanium rotary instrument in different root canal curvature locations: An ex vivo study.","authors":"M. Kyaw, A. Ebihara, Yoshiko Iino, Myint B Thu, K. Maki, S. Kimura, P. H. Htun, Takashi Okiji","doi":"10.4012/dmj.2023-244","DOIUrl":"https://doi.org/10.4012/dmj.2023-244","url":null,"abstract":"The aim of this study was to evaluate how preset torque settings influence the torque, vertical force, and root canal-centering ability of ProGlider and ProTaper NEXT nickel-titanium rotary instruments in canals with different curvature locations. Based on micro-computed tomography, mesial roots of human mandibular molars (25°-40° curvature) were allocated to the apical curvature (apical 1-5 mm) or the middle curvature (apical 5-9 mm) groups, and mandibular incisors (curvature <5°) to the straight canal group. Each group was subjected to automated instrumentation and torque/force measurement with the preset torque of 1, 2.5, or 5 N•cm. Canal-centering ratios were determined with micro-computed tomography. Instrument fracture occurred only in the 2.5 and 5 N•cm groups in curved canals. The preset torque setting and curvature location did not influence canal shaping ability.","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140739128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Color alteration of CAD/CAM 3D-printed, milled resin-ceramic hybrid material compared to enamel. 与珐琅质相比，CAD/CAM 三维打印研磨树脂陶瓷混合材料的颜色变化。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-04-05 DOI: 10.4012/dmj.2023-275
Nantawan Krajangta, A. Klaisiri, Seelassaya Leeraponglit, Nicha Intralawan, Pantaree Tiansuwan, Nidkamon Pisethsalasai
{"title":"Color alteration of CAD/CAM 3D-printed, milled resin-ceramic hybrid material compared to enamel.","authors":"Nantawan Krajangta, A. Klaisiri, Seelassaya Leeraponglit, Nicha Intralawan, Pantaree Tiansuwan, Nidkamon Pisethsalasai","doi":"10.4012/dmj.2023-275","DOIUrl":"https://doi.org/10.4012/dmj.2023-275","url":null,"abstract":"To assess color and translucency change (∆E00 and ∆TP) of 3D-printed (Varseosmile crown plus, VS) and milled resin-ceramic hybrid material (Cerasmart, CS) compared to enamel (E) when immersed in distilled water (DW) and coffee (C). Sixty VS, CS, and E specimens were immersed in DW and C for 30 days. Statistics analysis using t-test and one-way ANOVA at p≤0.05. ∆E00 of VS, CS, and E significantly increased when immersed in coffee (p<0.001, p<0.001 and p=0.01, respectively). E has more ∆E00 than VS and CS (p<0.001). The translucency of VS and CS was reduced after water and coffee immersion. The translucency of E was increased after immersion in water and coffee. ∆TP of VS, CS, and E were not different between immersion in water and coffee at p=0.08, p=0.43 and p=0.72, respectively. Therefore, DW and C have distinct effects on the ∆E00 and ∆TP among VS, CS and E.","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140740340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Repair bond strength of a new self-adhesive composite resin to three different resin-matrix ceramic CAD-CAM materials. 新型自粘复合树脂与三种不同树脂基质陶瓷 CAD-CAM 材料的修复粘接强度。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-01-17 DOI: 10.4012/dmj.2023-165
Hande Kemaloglu, Ozge Cay, Elif Ercan Devrimci, Tijen Pamir
{"title":"Repair bond strength of a new self-adhesive composite resin to three different resin-matrix ceramic CAD-CAM materials.","authors":"Hande Kemaloglu, Ozge Cay, Elif Ercan Devrimci, Tijen Pamir","doi":"10.4012/dmj.2023-165","DOIUrl":"10.4012/dmj.2023-165","url":null,"abstract":"<p><p>This study aimed to evaluate the shear bond strength of two flowable composite resins to resin-matrix ceramic CAD-CAM materials.Fifty-four plates obtained from Lava Ultimate (LU), Cerasmart (CS), and Vita Enamic (VE) CAD-CAM blocks were assigned to nine groups: N0: Nova Compo SF (NCSF), N1: Silane/Single Bond Universal (SBU)/NCSF, N2: SBU/NCSF, N3: Silane/G-Premio Bond (GPB)/NCSF, N4: GPB/NCSF, G1: Silane/SBU/G-aenial Universal Injectable Composite (GUIC), G2: SBU/GUIC, G3: Silane/GPB/GUIC, G4: GPB/GUIC. After the repair procedures, shear bond strength values were analyzed. Silane pre-application decreased bond strength in most LU and CS groups but increased it in VE. NCSF performed better than GUIC in all CAD-CAM's with similar adhesive protocols. SBU in combination with NSCF had the highest bond strength among all repair procedures in LU and CS. Silane-containing universal adhesives in combination with self-adhesive resin composites should be used to repair resin-matrix ceramic materials.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139484828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Surface modification affects human gingival epithelial cell behavior on polyetheretherketone surfaces. 表面改性会影响人牙龈上皮细胞在聚醚醚酮表面上的行为。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-01-20 DOI: 10.4012/dmj.2023-196
Keiju Omatsu, Isao Yamawaki, Yoichiro Taguchi, Norimasa Tsumori, Yoshiya Hashimoto, Makoto Umeda
{"title":"Surface modification affects human gingival epithelial cell behavior on polyetheretherketone surfaces.","authors":"Keiju Omatsu, Isao Yamawaki, Yoichiro Taguchi, Norimasa Tsumori, Yoshiya Hashimoto, Makoto Umeda","doi":"10.4012/dmj.2023-196","DOIUrl":"10.4012/dmj.2023-196","url":null,"abstract":"<p><p>Gingival epithelial attachment to the abutment is important for the prevention of peri-implantitis. Polyetheretherketone (PEEK) has recently gained attention as an alternative material to titanium; however, it is biologically inert, which is disadvantageous for obtaining soft tissue sealing of the transmucosal part of the implant abutment. Therefore, ultraviolet (UV) irradiation, argon plasma irradiation, and buffing were selected as treatments to modify the PEEK surface. None of the treatments had any effect on the material's mechanical strength. The UV and plasma treatments did not significantly affect the surface morphology. Surface elemental analysis showed a decrease in carbon content and an increase in oxygen content and wettability for all treatments. Human gingival epithelial cell adhesion, proliferation, and the expression of adhesion proteins integrin β4 and laminin 332, were increased. Surface modification to PEEK was suggested to enhance cell activity on PEEK.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139511872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Three methods to measure the photopolymerization kinetics for different radiant emittance and composite type. 针对不同的辐射发射率和复合材料类型，采用三种方法测量光聚合动力学。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-01-31 DOI: 10.4012/dmj.2023-197
Chang-Ha Lee, In-Bog Lee
{"title":"Three methods to measure the photopolymerization kinetics for different radiant emittance and composite type.","authors":"Chang-Ha Lee, In-Bog Lee","doi":"10.4012/dmj.2023-197","DOIUrl":"10.4012/dmj.2023-197","url":null,"abstract":"<p><p>Photopolymerization kinetics affects the curing time, degree of conversion, polymerization shrinkage, and mechanical properties of composites. The aim of this study was to compare three methods (temperature, heat flow, and polymerization shrinkage) for photopolymerization kinetics measurement of composites. The photopolymerization kinetics of four composites (2 packable and 2 flowable) were measured with an LED light for 20 s (radiant emittance: 2,100 mW/cm<sup>2</sup>). For the two packable composites, photopolymerization kinetics was measured with varying the radiant emittance and exposure time. For each measurement method, peak times were determined as the time when maximum temperature rise, heat flow, and shrinkage rate occurred, respectively. The photopolymerization kinetics differed among the measurement methods. The photopolymerization kinetics of composites changed as the radiant emittance and composite type varied. In clinical practice and research on the composite restoration, the kinetics should be considered comprehensively with the complementary use of various measurement methods.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139722042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topographical and crystalline change on surface by sandblasting improve flexural and shear bond strength of niobia-modified yttria-stabilized tetragonal zirconia polycrystal. 通过喷砂改变表面的地形和结晶，提高铌改性钇稳定四方氧化锆多晶的抗弯和抗剪粘结强度。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-02-29 DOI: 10.4012/dmj.2023-225
Ha-Young Kim, Jun-Ho Cho, Hyung-In Yoon, Jae-Hyun Lee, Sunyoung Choi, Jung-Suk Han, In-Sung Luke Yeo
{"title":"Topographical and crystalline change on surface by sandblasting improve flexural and shear bond strength of niobia-modified yttria-stabilized tetragonal zirconia polycrystal.","authors":"Ha-Young Kim, Jun-Ho Cho, Hyung-In Yoon, Jae-Hyun Lee, Sunyoung Choi, Jung-Suk Han, In-Sung Luke Yeo","doi":"10.4012/dmj.2023-225","DOIUrl":"10.4012/dmj.2023-225","url":null,"abstract":"<p><p>This study aimed to investigate the effects of sandblasting on the physical properties and bond strength of two types of translucent zirconia: niobium-oxide-containing yttria-stabilized tetragonal zirconia polycrystals ((Y, Nb)-TZP) and 5 mol% yttria-partially stabilized zirconia (5Y-PSZ). Fully sintered disc specimens were either sandblasted with 125 µm alumina particles or left as-sintered. Surface roughness, crystal phase compositions, and surface morphology were explored. Biaxial flexural strength (n=10) and shear bond strength (SBS) (n=12) were evaluated, including thermocycling conditions. Results indicated a decrease in flexural strength of 5Y-PSZ from 601 to 303 MPa upon sandblasting, while (Y, Nb)-TZP improved from 458 to 544 MPa. Both materials significantly increased SBS after sandblasting (p<0.001). After thermocycling, (Y, Nb)-TZP maintained superior SBS (14.3 MPa) compared to 5Y-PSZ (11.3 MPa) (p<0.001). The study concludes that (Y, Nb)-TZP is preferable for sandblasting applications, particularly for achieving durable bonding without compromising flexural strength.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139989587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How the repair bonding strength of hybrid ceramic CAD/CAM blocks is influenced by the use of surface treatments and universal adhesives. 混合陶瓷 CAD/CAM 块的修复粘接强度如何受到表面处理和通用粘合剂的影响。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-03-01 DOI: 10.4012/dmj.2023-237
İbrahim Doğan, Emel Karaman
{"title":"How the repair bonding strength of hybrid ceramic CAD/CAM blocks is influenced by the use of surface treatments and universal adhesives.","authors":"İbrahim Doğan, Emel Karaman","doi":"10.4012/dmj.2023-237","DOIUrl":"10.4012/dmj.2023-237","url":null,"abstract":"<p><p>We examined how different methods of surface treatment and different universal adhesives with or without extra silane affected the repair bonding strength of hybrid ceramic CAD/CAM restorations. Cerasmart specimens (n=320) were subjected to thermocycling and assigned to the following surface pretreatment protocols: control, diamond bur (DB), hydrofluoric acid (HF), and tribochemical silica coating (TSC). Half the specimens received a coating of silane, followed by application of the universal adhesives Futurabond M+ (FMU), Tokuyama Universal Bond (TUB), Single Bond Universal (SBU), or Clearfil Universal Bond Quick (CUQ) (n=10). A hybrid composite resin was used to simulate repair; then the specimens underwent further thermocycling. Shear bond strength (SBS) was determined and modes of failure were examined. The TSC-CUQ silane (-) group showed the highest SBS values. The best repairs were obtained when the surface was treated with TSC, with the exception of the DB-TUB silane (-) group. TUB increased SBS more than the other adhesives. Additional silane decreased SBS in the HF-TUB and TSC-CUQ groups, while increasing it in the TSC-TUB and DB-FMU groups (p<0.05).</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140021176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the effect of crystal changes on acid resistance of erbium laser etched enamel surface. 晶体变化对铒激光蚀刻珐琅质表面耐酸性的影响研究
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-01-31 DOI: 10.4012/dmj.2023-221
Nan Yang, Ying Zhao
{"title":"Study on the effect of crystal changes on acid resistance of erbium laser etched enamel surface.","authors":"Nan Yang, Ying Zhao","doi":"10.4012/dmj.2023-221","DOIUrl":"10.4012/dmj.2023-221","url":null,"abstract":"<p><p>To investigate the mechanism underlying high acid resistance of enamel after erbium laser etching. Forty-five premolars were collected and assigned to three groups. A 4×4×1 mm enamel sample was prepared, the left side was the control side, the right side was the treated side, which was treated with different surface treatments, including 35% phosphoric acid etching, Er:YAG laser etching, and Er,Cr:YSGG laser etching. The hydroxyapatite crystal size on the enamel surface of the samples was observed. The contents of Ca, P, O, F, Cl, C, Mg were detected. The crystallinity of the hydroxyapatite crystal was analyzed. After erbium laser etching, the enamel surface had high hydroxyapatite crystal size, beneficial content of chemical elements and crystallinity. The morphological and composition changes of crystals in the enamel surface after erbium laser etching may be one of the crucial mechanisms underlying the enhancement of acid resistance of enamel after erbium laser etching.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139722041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of multiple firings on the translucency, crystalline phase, and mechanical strength of highly translucent zirconia. 多次焙烧对高透光氧化锆的透光度、晶相和机械强度的影响。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-03-01 DOI: 10.4012/dmj.2023-255
Haruko Katada, Masanao Inokoshi, Singo Kamijo, Hengyi Liu, Kaiqi Xu, Masakazu Kawashita, Taishi Yokoi, Masaya Shimabukuro, Shunsuke Minakuchi
{"title":"Effects of multiple firings on the translucency, crystalline phase, and mechanical strength of highly translucent zirconia.","authors":"Haruko Katada, Masanao Inokoshi, Singo Kamijo, Hengyi Liu, Kaiqi Xu, Masakazu Kawashita, Taishi Yokoi, Masaya Shimabukuro, Shunsuke Minakuchi","doi":"10.4012/dmj.2023-255","DOIUrl":"10.4012/dmj.2023-255","url":null,"abstract":"<p><p>This study aimed to clarify the effects of multiple firings on the translucency, crystal structure, and mechanical strength of highly translucent zirconia. Four types of highly translucent zirconia (LAVA Esthetic, LAVA Plus, KATANA Zirconia STML, and KATANA Zirconia HTML) were fired three times at three different temperatures, and the translucency, crystal structure, and flexural strength were evaluated before and after firing. The translucency was statistically compared using repeated-measures analysis of variance; the zirconia phase composition was assessed using X-ray diffraction followed by Rietveld analysis; and the biaxial flexural strength was assessed using Weibull analysis. The translucency of LAVA Esthetic and KATANA Zirconia HTML decreased significantly after firing, and the crystal composition of LAVA Plus and KATANA Zirconia HTML changed after multiple firings, whereas multiple firings did not affect the biaxial flexural strength of any samples. Thus, multiple firings may affect the optical properties of highly translucent zirconia.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140021175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fluoride release potential of arginine-incorporated fluoride varnishes. 精氨酸掺入型氟化物清漆的氟化物释放潜力。
IF 2.5 4区 医学
Dental materials journal Pub Date : 2024-03-29 Epub Date: 2024-01-17 DOI: 10.4012/dmj.2023-238
Nouf Ali Alblooshi, Jogikalmat Krithikadatta, Cynthia Yiu, Mohammed Nadeem Bijle
{"title":"Fluoride release potential of arginine-incorporated fluoride varnishes.","authors":"Nouf Ali Alblooshi, Jogikalmat Krithikadatta, Cynthia Yiu, Mohammed Nadeem Bijle","doi":"10.4012/dmj.2023-238","DOIUrl":"10.4012/dmj.2023-238","url":null,"abstract":"<p><p>The study aimed to examine the fluoride (F) release potential of arginine (Arg)-incorporated F varnishes. Four commercially available F varnishes were included in the study: Duraphat<sup>®</sup> (5% NaF), Flúor Protector<sup>®</sup> (0.9% SiH<sub>2</sub>F<sub>2</sub>), Fluor Protector S<sup>®</sup> (NH<sub>4</sub>F), and Fluorimax™ (2.5% NaF). L-arginine (2% w/v.) was incorporated in these varnishes to estimate F release at 1 h, 4 h, 6 h, 24 h, 3 days, and 7 days using an F-ion selective electrode. The media pH of eluded varnishes was estimated and primary inorganic F extraction was performed. The main effects pH, F release, and computed integrated mean/cumulative F release for experimental groups were significantly higher than the controls (p<0.01). The primary extracted F concentrations for the Arg-containing groups were significantly lower than the control groups (p<0.001) demonstrating a chemical interplay with Arg incorporation. To conclude, irrespective of the inorganic F content, incorporating Arg in F-containing varnishes increases their F release potential.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139484732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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