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Effects of plasma surface treatment on the bond strength of zirconia with an adhesive resin luting agent. 等离子体表面处理对氧化锆与粘合剂树脂胶合剂粘接强度的影响。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-07-04 DOI: 10.4012/dmj.2024-051
Shoko Miura, Masanori Fujisawa, Pekka Vallittu, Lippo Lassila
{"title":"Effects of plasma surface treatment on the bond strength of zirconia with an adhesive resin luting agent.","authors":"Shoko Miura, Masanori Fujisawa, Pekka Vallittu, Lippo Lassila","doi":"10.4012/dmj.2024-051","DOIUrl":"10.4012/dmj.2024-051","url":null,"abstract":"<p><p>The purpose of this study was to evaluate the effect of the atmospheric pressure plasma treatment as a surface treatment method on the contact angle and shear bond strength (SBS) of zirconia ceramics and the failure mode between the self-adhesive resin luting agent and zirconia. The zirconia specimens were divided into eight groups based on the surface treatment method: alumina blasting, air plasma, argon plasma (AP), Katana cleaner, ozonated water, ozonated water+AP, Katana cleaner+AP, and tap water+AP. The contact angles, SBS, and fracture modes were tested. AP treatment significantly reduced the contact angle (p<0.0001). The combination of AP and other cleaning methods showed a higher bond strength and more mixed fractures. Our findings indicate that using atmospheric pressure plasma with argon gas, combined with other cleaning methods, results in a stronger bond than when using alumina blasting alone.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141497379","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
Depth of cure, water absorption, and solubility of indirect composites polymerized by light-emitting diode laboratory units. 发光二极管实验室装置聚合的间接复合材料的固化深度、吸水性和溶解性。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-29 DOI: 10.4012/dmj.2023-260
Hideyuki Imai, Hiroyasu Koizumi, Haruto Hiraba, Kaori Kiuchi, Hideo Matsumura, Takayuki Yoneyama
{"title":"Depth of cure, water absorption, and solubility of indirect composites polymerized by light-emitting diode laboratory units.","authors":"Hideyuki Imai, Hiroyasu Koizumi, Haruto Hiraba, Kaori Kiuchi, Hideo Matsumura, Takayuki Yoneyama","doi":"10.4012/dmj.2023-260","DOIUrl":"10.4012/dmj.2023-260","url":null,"abstract":"<p><p>This study investigated the usefulness of a dental laboratory polymerization unit with light-emitting diode (LED) as a light source. The depth of cure (n=15), water absorption and solubility (n=9) of two indirect composite materials (Cesead N and Solidex Hardura) were evaluated by five dental laboratory polymerization units (LED Cure Master, Twinkle LED, α-Light V, α-Light II, and Hyper LII). Statistical analysis was performed by one-way ANOVA and Tukey test or non-parametric tests. Comparison of light sources for curing depth showed that metal halide had the highest value, followed by the LED group with similar values, and halogen lamps with the lowest value. The water absorption and solubility of the composite specimens polymerized with the three LED laboratory polymerization units were within the ISO recommended limit.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141466827","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
Influence of bioceramic sealer residues on the adhesion interface with a universal adhesive in the etch-and-rinse strategy, based on the application protocol and evaluation time. 生物陶瓷密封剂残留物对蚀刻-冲洗策略中通用粘合剂粘合界面的影响，基于应用方案和评估时间。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-01 DOI: 10.4012/dmj.2024-046
Joatan Lucas de Sousa Gomes Costa, Antonia Patricia Oliveira Barros, Mariana Bena Gelio, Lucas David Galvani, Luis Geraldo Vaz, Milton Carlos Kuga
{"title":"Influence of bioceramic sealer residues on the adhesion interface with a universal adhesive in the etch-and-rinse strategy, based on the application protocol and evaluation time.","authors":"Joatan Lucas de Sousa Gomes Costa, Antonia Patricia Oliveira Barros, Mariana Bena Gelio, Lucas David Galvani, Luis Geraldo Vaz, Milton Carlos Kuga","doi":"10.4012/dmj.2024-046","DOIUrl":"10.4012/dmj.2024-046","url":null,"abstract":"<p><p>The aim of this study was to evaluate the effects of the application of universal adhesive in the etch-and-rinse (ER) strategy with a manual brush (MB) or rotary brush (RB) in adhesion to dentin impregnated (WB) or not (NB) with bioceramic sealer, at 24 h and 1 year. Eighty-eight crowns of bovine incisors were divided into four groups (n=22): WB-MB, WB-RB, NB-MB, NB-RB. After the restorative protocol, dentin penetrability was evaluated by confocal microscopy. Bond strength was evaluated by microtensile test. Data were analyzed using one-way ANOVA/Tukey tests (α=0.05). NB-RB and WB-RB exhibited greater extensions of resin tags in dentin. At 24 h, WB-RB and NB-MB showed the highest and lowest values of bond strength, respectively. At 1 year, WB-MB and WB-RB demonstrated the highest bond strength values. The RB increases the formation of resin tags and residues of bioceramic sealer provides higher bond strength in the ER strategy.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141199319","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 of dental zirconia implants with a low infiltration temperature glass. 用低浸润温度玻璃对牙科氧化锆植入物进行表面改性。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-07-04 DOI: 10.4012/dmj.2024-034
Lulu Cao, Hong Lin, Shuo Wang, Xinxin Zhan, Dong Xiang, Lian Peng, Jianmin Han
{"title":"Surface modification of dental zirconia implants with a low infiltration temperature glass.","authors":"Lulu Cao, Hong Lin, Shuo Wang, Xinxin Zhan, Dong Xiang, Lian Peng, Jianmin Han","doi":"10.4012/dmj.2024-034","DOIUrl":"10.4012/dmj.2024-034","url":null,"abstract":"<p><p>The glass infiltration technique was employed for surface modification of zirconia implants in this study. The prepared glass-infiltrated zirconia with low infiltrating temperature showed excellent mechanical properties and enough infiltrating layer. The zirconia substrate was pre-sintered at 1,200°C and the glass infiltration depth reached 400 μm after infiltrating at 1,200°C for 10 h. The infiltrating glass has good wetting ability, thermal expansion match and good chemical compatibility with the zirconia substrate. Indentation fracture toughness and flexural strength of the dense sintered glass-infiltrated zirconia composite are respectively 5.37±0.45 MPa•m<sup>1/2</sup> and 841.03±89.31 MPa. Its elasticity modulus is 163.99±7.6 GPa and has about 500 μm infiltrating layer. The glass-infiltrated zirconia can be acid etched to a medium roughness (1.29±0.09 μm) with a flexural strength of 823.65±87.46 MPa, which promotes cell proliferation and has potential for dental implants.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141497380","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
Chemical etching of CAD-CAM glass-ceramic-based materials using fluoride solutions for bonding pretreatment. 使用氟化物溶液对 CAD-CAM 玻璃陶瓷基材料进行化学蚀刻，以进行粘接预处理。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-01 DOI: 10.4012/dmj.2023-333
Yusaku Nishizawa, Yuya Komagata, Yuki Nagamatsu, Tatsuo Kawamoto, Hiroshi Ikeda
{"title":"Chemical etching of CAD-CAM glass-ceramic-based materials using fluoride solutions for bonding pretreatment.","authors":"Yusaku Nishizawa, Yuya Komagata, Yuki Nagamatsu, Tatsuo Kawamoto, Hiroshi Ikeda","doi":"10.4012/dmj.2023-333","DOIUrl":"10.4012/dmj.2023-333","url":null,"abstract":"<p><p>The surface treatment of glass-ceramic-based materials, namely, lithium disilicate glass (IPS e.max CAD), feldspar porcelain (VITABLOCS Mark II), and a polymer-infiltrated ceramic network (VITA ENAMIC), using aqueous fluoride solutions and their influence on luting agent bonding were investigated. Six experimental aqueous fluoride solutions were applied to these materials, and their effects were assessed by surface topological analysis. The obtained results were compared using non-parametric statistical analyses. Ammonium hydrogen fluoride (AHF) etchant demonstrated the greatest etching effect. Subsequent experiments focused on evaluating different concentrations of the AHF etchant for the bonding pretreatment of glass-ceramic-based materials with a luting agent (PANAVIA V5). AHF, particularly at concentrations above 5 wt%, effectively roughened the surfaces of the materials and improved the bonding performance. Notably, AHF at a concentration of 30 wt% exhibited a more pronounced effect on both etching and bonding capabilities compared to hydrofluoric acid.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141199295","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
Sealing moderate caries lesions with bioactive glass-ionomer: A split-mouth clinical trial. 用生物活性玻璃-离子体封闭中度龋损：分口临床试验
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-29 DOI: 10.4012/dmj.2023-261
Ana Carolina Soares Diniz, Thais Bordinassi da Silva, Mayenne Rabelo Araujo, José Bauer, Leily Macedo Firoozmand
{"title":"Sealing moderate caries lesions with bioactive glass-ionomer: A split-mouth clinical trial.","authors":"Ana Carolina Soares Diniz, Thais Bordinassi da Silva, Mayenne Rabelo Araujo, José Bauer, Leily Macedo Firoozmand","doi":"10.4012/dmj.2023-261","DOIUrl":"10.4012/dmj.2023-261","url":null,"abstract":"<p><p>Laboratory evidence has shown that 45S5 bioglass can help in dental remineralization, so its incorporation into resin-modified glass ionomer cement (RMGIC) has been studied. This randomized clinical trial aimed to determine the efficacy of RMGIC enriched with 10% 45S5 bioglass (RMGIC/45S5) in preventing the progression of moderate caries lesions. Sixty-six permanent molars with moderate caries lesions, were randomly sealed with RMGIC or RMGIC/45S5. After 1, 3-6 months, patients' oral health, material behavior, and caries evolution were evaluated. Chi-square and Fisher's exact test was employed. After one month, the RMGIC showed higher total retention and better clinical performance compared to RMGIC/45S5, both showed a predominance of sealed teeth or without caries progression. After 6 months, no materials retention, quality and caries progression difference was observed for both materials. Short-term clinical follow-up reveals worse retention and quality of RMGIC/45S5, only after 6 months no clinical/microscopic differences are observed between the materials.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141466828","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
Influence of remaining coronal tooth morphology with resin abutment and fiber post on static and dynamic fracture resistances. 树脂基台和纤维桩的剩余冠状牙形态对静态和动态抗折能力的影响。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-07-09 DOI: 10.4012/dmj.2023-295
Shunsuke Kimura, Hideshi Sekine, Takahiro Kawasaki, Toru Sato, Norio Kasahara
{"title":"Influence of remaining coronal tooth morphology with resin abutment and fiber post on static and dynamic fracture resistances.","authors":"Shunsuke Kimura, Hideshi Sekine, Takahiro Kawasaki, Toru Sato, Norio Kasahara","doi":"10.4012/dmj.2023-295","DOIUrl":"10.4012/dmj.2023-295","url":null,"abstract":"<p><p>This study aimed to clarify the fracture resistance of resin abutments built on endodontically treated roots with the remaining coronal teeth via static and cyclic loading tests. Endodontically treated bovine roots, which had a remaining coronal tooth covered with an occupied area for a quarter and half of the circumference at the tensile side or covered the circumference at both the tensile and compressive sides, were fabricated to build up to the resin abutment. Fracture resistance was evaluated via static and cyclic loading tests by applying a load of 30° to the tooth axis. Half of the circumference of the remaining coronal tooth showed a significantly higher static fracture load and survival rate. The remaining coronal tooth on the compressive side improved the dynamic fracture resistance associated with severe fractures. The occupied area and location of the remaining coronal tooth affected the static and dynamic fracture resistances.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141579179","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
Synthesis and evaluation of fluorescent resins with europium-β-diketonate complex for orthodontic use. 含铕-β-二酮酸复合物的正畸用荧光树脂的合成与评估
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-25 DOI: 10.4012/dmj.2023-319
Shuichi Yamagata, Takaaki Yamamoto, Yoshiaki Sato, Tsukasa Akasaka, Yasuhiro Yoshida
{"title":"Synthesis and evaluation of fluorescent resins with europium-β-diketonate complex for orthodontic use.","authors":"Shuichi Yamagata, Takaaki Yamamoto, Yoshiaki Sato, Tsukasa Akasaka, Yasuhiro Yoshida","doi":"10.4012/dmj.2023-319","DOIUrl":"10.4012/dmj.2023-319","url":null,"abstract":"<p><p>No effective technique exists for removing adhesive remnants following bracket debonding. We propose that fluorescence imaging using europium ions (Eu<sup>3+</sup>) offers an effective solution for minimizing iatrogenic enamel damage. This study aimed to assess the impact of different mixing ratios of monomer mixtures on the photoluminescence and flexural properties of a newly developed fluorescent adhesive. Four monomer blends with varying urethane dimethacrylate (UDMA) to triethylene glycol dimethacrylate (TEGDMA) ratios were prepared and polymerized. The blends contained 0.1 wt% of tris(1,3-diphenyl-1,3-propanedionato)(1,10-phenanthroline) Eu(III), [Eu(DBM)<sub>3</sub>Phen], as the phosphor. Optical measurements and flexural tests were conducted for each resin specimen. The emission spectra exhibited narrow bands corresponding to the 4f-4f transitions of the Eu<sup>3+</sup> ions. The photoluminescence properties remained unaffected by the mixing ratio, whereas the mechanical properties tended to improve with higher UDMA content. We conclude that the Eu(DBM)<sub>3</sub>Phen-containing resin shows promise as a fluorescent orthodontic adhesive that contributes to preserving enamel health.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141455787","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
Physical properties of experimental light-curing pattern resins based on poly (n-butyl methacrylate) or poly(iso-butyl methacrylate). 基于聚（甲基丙烯酸正丁酯）或聚（甲基丙烯酸异丁酯）的实验性光固化图案树脂的物理性质。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-07-09 DOI: 10.4012/dmj.2023-278
Akihiko Kadokawa, Sadaaki Murahara, Hiroshi Kono, Asami Uenodan, Asako Fuchida, Fumiko Nishio, Hiroyuki Minami
{"title":"Physical properties of experimental light-curing pattern resins based on poly (n-butyl methacrylate) or poly(iso-butyl methacrylate).","authors":"Akihiko Kadokawa, Sadaaki Murahara, Hiroshi Kono, Asami Uenodan, Asako Fuchida, Fumiko Nishio, Hiroyuki Minami","doi":"10.4012/dmj.2023-278","DOIUrl":"10.4012/dmj.2023-278","url":null,"abstract":"<p><p>Experimental light-curing pattern resins were fabricated to produce pattern resin materials with adequate dimensional stability. The light-curing pattern resins consisted of poly(n-butyl methacrylate) or poly(iso-butyl methacrylate) (PiBMA) polymers and methacrylate monomers. The physical properties, amount of residual ash after burning, Vickers hardness, flexural strength, and volumetric polymerization shrinkage of each material were determined. The data obtained for the prepared resins were compared with those of a commercially available pattern resin, Palavit G (PG). A lower amount of residual ash was observed for some of the prepared resins than for PG. The Vickers hardness and flexural strength values of all experimental resins were lower than those of PG. The volumetric polymerization shrinkage of all the experimental resins based on PiBMA was lower than that of PG. These results suggest that acrylic light-curing resin materials based on PiBMA may be useful for patterning and indexing during soldering.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141579180","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
The optical property measuring methods for resin composite using multiple spectrophotometers. 使用多分光光度计测量树脂复合材料光学性能的方法。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2024-07-31 Epub Date: 2024-06-01 DOI: 10.4012/dmj.2023-312
Ji-Hun Youm, Il Jun Jeong, Jae-Sung Kwon, Bum-Soon Lim, Myung-Hwan Oh, Kwang-Mahn Kim
{"title":"The optical property measuring methods for resin composite using multiple spectrophotometers.","authors":"Ji-Hun Youm, Il Jun Jeong, Jae-Sung Kwon, Bum-Soon Lim, Myung-Hwan Oh, Kwang-Mahn Kim","doi":"10.4012/dmj.2023-312","DOIUrl":"10.4012/dmj.2023-312","url":null,"abstract":"<p><p>This study aimed to propose the measurement methods for resin composite translucency using four shades of resin composite and four spectrophotometers. Four methods were used for measuring translucency: (A) color measurement using reflectance mode, (B) visible light spectrum measurement using reflectance mode, (C) color measurement using transmittance mode, (D) visible light spectrum measurement using transmittance mode. Although there was a significant difference among the results of the translucency measuring methods, the same tendency was observed for translucency parameters obtained using each spectrophotometer. Therefore, the four methods can potentially be used as translucency measuring methods for resin composite.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141199327","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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