发布求助
文献互助 智能选刊 最新文献

Dental materials journal最新文献

筛选
英文 中文
Dentin cavity pretreatments to improve the bond strength of direct and CAD/CAM restorations using resin composite. 牙本质腔预处理提高树脂复合材料直接修复体和CAD/CAM修复体的结合强度。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-04-01 Epub Date: 2025-03-05 DOI: 10.4012/dmj.2024-220
Reo Sugiyama, Toshio Maseki
{"title":"Dentin cavity pretreatments to improve the bond strength of direct and CAD/CAM restorations using resin composite.","authors":"Reo Sugiyama, Toshio Maseki","doi":"10.4012/dmj.2024-220","DOIUrl":"10.4012/dmj.2024-220","url":null,"abstract":"<p><p>Dentin cavity wall pretreatments to improve the bond strength of direct and computer-aided design/computer-aided manufacturing (CAD/CAM) restorations using resin composite were examined. Experiment 1 divided 18 standardized MOD cavities into three conditions: no pretreatment (Group N, control); chemical pretreatment with EDTA solution (Group C); and mechanical pretreatment with glycine air-powder polishing (Group M). Specimens were restored using direct resin composites. Micro-tensile bond strength (μ-TBS) was measured after cyclic loading. The μ-TBS was significantly higher for Groups C and M than for Group N. Group M showed the best bonding reliability. In Experiment 2, cavity preparation, dentin pretreatment, cyclic loading, and μ-TBS testing were performed using the same methods applied in Experiment 1. Specimens were restored using CAD/CAM resin composite inlays. The μ-TBS was significantly higher for Groups C and M than for Group N. No significant difference in bonding reliability was apparent among all groups.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"220-232"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143566325","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 toothbrush abrasion on color, gloss, and surface roughness, and thermal cycling on bond strength of CAD-CAM composite resin block with light-cured resin coating restoration materials. 牙刷磨损对颜色、光泽和表面粗糙度的影响，以及热循环对CAD-CAM复合树脂块与光固化树脂涂层修复材料结合强度的影响。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-03-28 DOI: 10.4012/dmj.2024-225
Masashi Iguchi, Shoko Miura, Shohei Tsukada, Takafumi Fujita, Konatsu Saito-Murakami, Yoshiki Imamura, Kazuya Asami, Masanori Fujisawa
{"title":"Effects of toothbrush abrasion on color, gloss, and surface roughness, and thermal cycling on bond strength of CAD-CAM composite resin block with light-cured resin coating restoration materials.","authors":"Masashi Iguchi, Shoko Miura, Shohei Tsukada, Takafumi Fujita, Konatsu Saito-Murakami, Yoshiki Imamura, Kazuya Asami, Masanori Fujisawa","doi":"10.4012/dmj.2024-225","DOIUrl":"https://doi.org/10.4012/dmj.2024-225","url":null,"abstract":"<p><p>This study aimed to evaluate the usefulness of light-cured resin coating restoration materials (RCs) on anterior composite resin blocks by quantifying the color, gloss, and surface roughness before and after toothbrush abrasion test and to evaluate the shear bond strength before and after thermal cycling test. Four types of RCs were used in the experiments. The application of RCs to composite resin blocks resulted in color changes and a decrease in gloss after the toothbrush abrasion test; however, both were within clinically acceptable limits. The surface roughness was at a value that made bacterial adhesion difficult both after the application of RCs and after the toothbrush abrasion test. The shear bond strength also had clinically acceptable bond strength. Therefore, the application of RCs to composite resins in the oral cavity is considered effective in terms of maintaining esthetics, gloss, and surface properties, as well as the durability of RCs.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751687","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
Comparative study of the shrinkage behavior of three bulk-fill resin-based composites using the aluminium tooth model with a MOD cavity. 采用带MOD空腔的铝齿模型对三种填充型树脂基复合材料的收缩特性进行了对比研究。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-03-28 DOI: 10.4012/dmj.2024-191
Howe Simpson, Cécile Duval, Darien DeWOLF, Braden Sullivan, Richard Price, Daniel Labrie
{"title":"Comparative study of the shrinkage behavior of three bulk-fill resin-based composites using the aluminium tooth model with a MOD cavity.","authors":"Howe Simpson, Cécile Duval, Darien DeWOLF, Braden Sullivan, Richard Price, Daniel Labrie","doi":"10.4012/dmj.2024-191","DOIUrl":"https://doi.org/10.4012/dmj.2024-191","url":null,"abstract":"<p><p>This study evaluated the cusp tip deflection of aluminium tooth models with a mesial-occlusal-distal (MOD) cavity filled with three bulk-fill resin-based composites (RBCs), Aura Ultra Universal (Aura), Admira Fusion x-tra Universal (Admira), and Filtek One shade A2 (Filtek One), to assess the level of shrinkage stress they could produce. The models were prepared using a primer, adhesive and a single RBC increment photo-cured for 20 s at a radiance exitance 1.25 W/cm<sup>2</sup>. The RBC axial shrinkage strain (ε) and stress (S) were also measured. Micro-computed tomography in combination with silver nitrate infiltration showed no interfacial debonding. The mean cusp tip deflection for Admira was found to be smaller than those for the other two RBCs. Although ε and S for Aura were higher than those for Filtek One, their mean cusp tip deflections were not significantly different. These results could be explained by the temporal behavior of their elastic modulus.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751684","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
Tongue-controlled intraoral pointing device that promotes perioral muscular activity and saliva secretion during operation of information and communication terminals. 舌控口内指装置，在操作信息通信终端时促进口周肌肉活动和唾液分泌。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-02-15 DOI: 10.4012/dmj.2024-295
Takashi Kameda, Makoto Sakamoto, Kazuto Terada, Shunya Oka, Sakurako Kobayashi
{"title":"Tongue-controlled intraoral pointing device that promotes perioral muscular activity and saliva secretion during operation of information and communication terminals.","authors":"Takashi Kameda, Makoto Sakamoto, Kazuto Terada, Shunya Oka, Sakurako Kobayashi","doi":"10.4012/dmj.2024-295","DOIUrl":"https://doi.org/10.4012/dmj.2024-295","url":null,"abstract":"<p><p>A tongue-controlled intraoral pointing device for operating information and communication terminals, such as computers, which allows the wearer to perform oral training while typing, was developed. Its effectiveness was evaluated in healthy participants. There were no differences in typing speed for the same input between computers with any operating system/display combination. Typing with the developed device was performed at 80% of the speed compared to using a stylus pen held in the mouth, the conventional method used by persons with upper limb disabilities. Electromyography signals increased concomitantly by 1.8-fold in the buccal and 2.0-fold in the submandibular area. There was a 2.5-fold increase in saliva secretion and a decrease in salivary α-amylase activity to 40%, indicative of stress. The computerized operation of this device is expected to contribute to the prevention of oral frailty by maintaining and strengthening oral functions and hygiene.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143432031","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 repetitive insertion/removal and occlusal load on the retentive force of rest plate-I bar clasps made by selective laser melting. 选择性激光熔化法制作的托板 I 型杆卡扣的重复插入/拔出和咬合负荷对其固位力的影响。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-01-31 Epub Date: 2024-11-09 DOI: 10.4012/dmj.2024-271
Yuki Uekubo, Yoshimitsu Kato, Keita Tomono, Mitsuo Kato, Juro Wadachi, Shinji Takemoto, Shuichiro Yamashita
{"title":"Effects of repetitive insertion/removal and occlusal load on the retentive force of rest plate-I bar clasps made by selective laser melting.","authors":"Yuki Uekubo, Yoshimitsu Kato, Keita Tomono, Mitsuo Kato, Juro Wadachi, Shinji Takemoto, Shuichiro Yamashita","doi":"10.4012/dmj.2024-271","DOIUrl":"10.4012/dmj.2024-271","url":null,"abstract":"<p><p>The objective of this study was to investigate the effects of repetitive removal/insertion and a load equivalent to the occlusal force on the retentive force of rest plate-I bar (RPI) clasps fabricated by selective laser melting (SLM) on powder bed fusion. RPI clasp fabricated by SLM and casting were evaluated to the retentive force by repetitive removal/insertion (SLM-RI and Cast-RI), and the retentive force of RPI clasp by SLM was also evaluated by repetitive removal/insertion under load (SLM-L). SLM-RI group was kept superior retentive force during repetitive removal/insertion than Cast-RI group. SLM-L group showed the decrease of retentive force, and all specimens fractured during less than 7,000 repetitive removal/insertion. In SLM-L, the fracture of RPI clasp occurred at minor connector due to stress concentration. In conclusion, the RPI clasp by SLM demonstrated the superior retentive force and fitting for repetitive removal/insertion, yet improvements were necessary to withstand a load equivalent to occlusal force.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"93-102"},"PeriodicalIF":1.9,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142615225","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
PEEK stress-shielding with artificial bone for dental implants. 牙种植体用聚醚醚酮人工骨应力屏蔽材料。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-01-31 Epub Date: 2025-01-11 DOI: 10.4012/dmj.2024-203
Eiji Yoshida, Rie Nomoto, Yasuharu Amitani, Tohru Hayakawa
{"title":"PEEK stress-shielding with artificial bone for dental implants.","authors":"Eiji Yoshida, Rie Nomoto, Yasuharu Amitani, Tohru Hayakawa","doi":"10.4012/dmj.2024-203","DOIUrl":"10.4012/dmj.2024-203","url":null,"abstract":"<p><p>Dental titanium implants and their surface modifications markedly improve implant biocompatibility. However, studies evaluating the mechanical biocompatibility of implants are scarce. In particular, the analysis of mechanical biocompatibility deficiencies leading to stress shield-induced bone resorption. Recently, we focused on using PEEK as a dental material. This study explored the hypothesis that PEEK implants improve the stress shielding of titanium. In this study, artificial bone surfaces were examined to measure strains on the artificial bone surface under compressive loading with the implants in place. Additionally, 3D image analysis of the fracture state inside the bone tissue was performed using micro-CT (µCT). This hypothesis was supported by µCT imaging analysis of bone tissue changes under stress, which revealed that PEEK implants transfer greater loads than titanium implants. µCT imaging and statistical analysis showed that bone porosity had little effect on stress shielding.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"121-127"},"PeriodicalIF":1.9,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142978015","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
Detecting the articular disk in magnetic resonance images of the temporomandibular joint using YOLO series. 应用YOLO系列在颞下颌关节磁共振图像中检测关节盘。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-01-31 Epub Date: 2024-12-28 DOI: 10.4012/dmj.2024-186
Yuki Yoshimi, Yuichi Mine, Kohei Yamamoto, Shota Okazaki, Shota Ito, Mizuho Sano, Tzu-Yu Peng, Takashi Nakamoto, Toshikazu Nagasaki, Naoya Kakimoto, Takeshi Murayama, Kotaro Tanimoto
{"title":"Detecting the articular disk in magnetic resonance images of the temporomandibular joint using YOLO series.","authors":"Yuki Yoshimi, Yuichi Mine, Kohei Yamamoto, Shota Okazaki, Shota Ito, Mizuho Sano, Tzu-Yu Peng, Takashi Nakamoto, Toshikazu Nagasaki, Naoya Kakimoto, Takeshi Murayama, Kotaro Tanimoto","doi":"10.4012/dmj.2024-186","DOIUrl":"10.4012/dmj.2024-186","url":null,"abstract":"<p><p>The purpose of this study was to construct an artificial intelligence object detection model to detect the articular disk from temporomandibular joint (TMJ) magnetic resonance (MR) images using YOLO series. The study included two experiments using datasets from different MR imaging machines. A total of 536 MR images were retrospectively examined. The performance of YOLOv5 and YOLOv8 in detecting the TMJ articular disk in both normal and displaced conditions was evaluated. The impact of image-processing techniques, such as histogram equalization (HE) and contrast-limited adaptive HE (CLAHE) on model performance, was also examined. The results showed that the YOLO series could detect the articular disk regardless of displacement, with superior performance on images of normal disk position. The results suggest the applicability of object detection models in improving the diagnosis of TMJ disorders.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"103-111"},"PeriodicalIF":1.9,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142930320","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
Enamel microcrack inspection using near-infrared light transillumination with fluorescence staining. 近红外光透照荧光染色法检测牙釉质微裂纹。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-01-31 Epub Date: 2024-12-03 DOI: 10.4012/dmj.2023-336
Toshio Maseki, Kensuke Furuki, Reo Sugiyama, Miwa Nakazawa, Mei Komoto, Masahiko Maeno
{"title":"Enamel microcrack inspection using near-infrared light transillumination with fluorescence staining.","authors":"Toshio Maseki, Kensuke Furuki, Reo Sugiyama, Miwa Nakazawa, Mei Komoto, Masahiko Maeno","doi":"10.4012/dmj.2023-336","DOIUrl":"10.4012/dmj.2023-336","url":null,"abstract":"<p><p>Enamel microcracks are often apparent in the teeth of elderly individuals. However, accurate clinical diagnosis of enamel microcracks is very difficult. The purpose of this study was to examine the utility of inspections for enamel microcracks using a near-infrared light transillumination device with fluorescence staining. Human upper incisors with typical enamel microcracks were selected. Grayscale pictures of each tooth specimen were then taken by digital camera under visible light as control. Every tooth specimen was stained using indocyanine green solutions, then examined, and photographed under visible light. All digital images were compared with the background enamel surface and measured using image analysis software. Inspection using near-infrared light transillumination with indocyanine green solution was effective for detecting the presence of enamel microcracks. This method offers a non-invasive method of chair-side diagnosis and appears effective for detecting the presence of enamel microcracks.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"73-77"},"PeriodicalIF":1.9,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779626","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
Evaluation of torque moment in self-ligation lingual brackets. 自结扎舌托槽力矩的评价。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-01-31 Epub Date: 2024-12-03 DOI: 10.4012/dmj.2024-187
Shingo Mineta, Akira Nakajima, Eiji Tanaka, Shigeki Hanawa, Shinya Horiuchi, Kazumitsu Sekine, Tsuyoshi Sasagawa, Yasuhiro Namura, Takayuki Yoneyama, Mitsuru Motoyoshi
{"title":"Evaluation of torque moment in self-ligation lingual brackets.","authors":"Shingo Mineta, Akira Nakajima, Eiji Tanaka, Shigeki Hanawa, Shinya Horiuchi, Kazumitsu Sekine, Tsuyoshi Sasagawa, Yasuhiro Namura, Takayuki Yoneyama, Mitsuru Motoyoshi","doi":"10.4012/dmj.2024-187","DOIUrl":"10.4012/dmj.2024-187","url":null,"abstract":"<p><p>This study investigates the moments generated when applying third-order bends to lingual brackets with different slot shapes and wires made of different materials. Three types of lingual brackets with different slot shapes: 0.018×0.018-inch square slot self-ligation bracket (AL-bracket); 0.018×0.025-inch slot self-ligation bracket (CL-bracket); 0.018×0.025-inch slot self-ligation bracket (ST-bracket). Wires of three different materials were measured. The torque value generated during torque application was measured using a torque gauge. The AL-bracket had a significantly larger torque moment than the CL- and ST-brackets at the same angles. The CL-bracket had the smallest torque moment of the three for the square wire; however, the CL-bracket revealed a larger torque moment than the ST-bracket for the rectangular wire. The torque moment of Ti-Ni wires was observed the smallest. In lingual orthodontic treatment, the results suggested the shape of the lingual bracket slot and the wire material should be considered when adjusting and applying third-order bends.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"78-85"},"PeriodicalIF":1.9,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779630","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
Fabrication of resin cements capable of disintegrating by near-infrared radiation intended for cemented prosthesis removal. 用于骨水泥假体移除的可通过近红外辐射崩解的树脂水泥的制造。
IF 1.9 4区 医学
Dental materials journal Pub Date : 2025-01-31 Epub Date: 2024-12-03 DOI: 10.4012/dmj.2024-170
Noboru Kajimoto, Michito Maruta, Hirogo Minamisawa, Taira Sato, Kenichi Hamada, Kanji Tsuru
{"title":"Fabrication of resin cements capable of disintegrating by near-infrared radiation intended for cemented prosthesis removal.","authors":"Noboru Kajimoto, Michito Maruta, Hirogo Minamisawa, Taira Sato, Kenichi Hamada, Kanji Tsuru","doi":"10.4012/dmj.2024-170","DOIUrl":"10.4012/dmj.2024-170","url":null,"abstract":"<p><p>The material concept of resin cements capable of disintegrating due to near-infrared (NIR) radiation was verified. The cements were prepared by adding silicon carbide (SiC), which heats upon absorbing NIR rays, and thermally expandable particles (TEPs) to 4-META/MMA-TBB resin cement. The microtensile bond strength (µTBS) and cytocompatibility of the cements were evaluated. The resin cements with 5 mass% SiC and 20-40 mass% TEPs had significantly lower µTBS after NIR radiation than before NIR radiation, and their cytocompatibility was not decreased by SiC and TEPs additions. Furthermore, in vitro thermal damage tests were performed using the resin cement with 5 mass% SiC and 20 mass% TEPs, a typical composition. The results demonstrated conditions that significantly reduced µTBS and minimized thermal damage by NIR radiation. Although these data are only proof of concept, the possibility that dental devices bonded with these cements could be detached by NIR radiation was demonstrated.</p>","PeriodicalId":11065,"journal":{"name":"Dental materials journal","volume":" ","pages":"24-33"},"PeriodicalIF":1.9,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779689","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信