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Journal of Dental Sciences最新文献

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Comment on: The relevance of dental management prior to radiation therapy with severe oral mucositis in head and neck cancer patients 评论头颈部癌症患者放疗前牙科治疗与严重口腔黏膜炎的相关性
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-06 DOI: 10.1016/j.jds.2024.07.038
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引用次数: 0
Optimized human dedifferentiated fat cells from the buccal fat pad-derived osteoinductive extracellular vesicles promote osteoblast differentiation 从颊脂垫衍生的骨诱导性细胞外囊泡中优化的人类去分化脂肪细胞可促进成骨细胞分化
IF 3.5 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-06 DOI: 10.1016/j.jds.2024.07.028
Yusuke Nishiguchi, Mamoru Ueda, Hirohito Kubo, Jun-Ichiro Jo, Yoshiya Hashimoto, Toshihiko Takenobu
Bone reconstruction in the maxillofacial region typically relies on autologous bone grafting, which presents challenges, including donor site complications and graft limitations. Recent advances in tissue engineering have identified highly pure and proliferative dedifferentiated fat cells (DFATs) as promising alternatives. Herein, we explored the capacity for osteoblast differentiation and the osteoinductive characteristics of extracellular vesicles derived from DFATs (DFAT-EVs). DFATs were isolated from human buccal fat pads, cultured to confluency, and placed in either a standard or osteogenic induction medium. After culturing for 3 days, the conditioned medium was used to generate EVs using the size-exclusion chromatography and concentration filter method. Characterization of DFAT-EVs revealed typical EV morphology and positive markers (CD9 and CD63), with no differences between the two groups. assays demonstrated that EVs derived from the osteogenic induction medium (OI-EVs) significantly increased alkaline phosphatase activity and osteogenesis-related genes (Runx2 and collagen type I) compared to control EVs. Next-generation sequencing identified differentially expressed miRNAs, and gene ontology analysis suggested pathways involved in osteoblast differentiation. Isolating DFATs from buccal fat pads under osteogenic induction conditions offers a procedure confined to the oral cavity, eliminating the need for harvesting from other sites. Thus, DFAT-EVs hold promise for promoting bone regeneration in maxillofacial applications.
颌面部的骨重建通常依赖于自体骨移植,这带来了供体部位并发症和移植局限性等挑战。组织工程学的最新进展发现,高纯度和增殖性的去分化脂肪细胞(DFATs)是很有前途的替代品。在此,我们探讨了成骨细胞的分化能力以及从 DFATs 提取的细胞外囊泡(DFAT-EVs)的骨诱导特性。从人类颊脂垫中分离出DFATs,培养至汇合,并将其置于标准或成骨诱导培养基中。培养 3 天后,使用大小排阻色谱法和浓缩过滤法将条件培养基用于生成 EVs。对 DFAT-EVs 的表征显示了典型的 EV 形态和阳性标记物(CD9 和 CD63),两组之间没有差异。检测表明,与对照组 EVs 相比,从成骨诱导培养基(OI-EVs)中提取的 EVs 显著增加了碱性磷酸酶活性和成骨相关基因(Runx2 和 I 型胶原)。下一代测序确定了差异表达的 miRNA,基因本体分析表明了参与成骨细胞分化的通路。在成骨诱导条件下从颊脂垫分离 DFATs 的过程仅限于口腔,无需从其他部位采集。因此,DFAT-EVs有望在颌面部应用中促进骨再生。
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引用次数: 0
Schwannoma of the tongue – A case report 舌体许旺瘤--病例报告
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-03 DOI: 10.1016/j.jds.2024.07.032
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引用次数: 0
The first dental clinic on a navy warship of Taiwan 台湾海军军舰上的首个牙科诊所
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-03 DOI: 10.1016/j.jds.2024.07.029
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引用次数: 0
Differential diagnoses for the bilateral multiple radiopaque materials superimposed in the panoramic and periapical radiographs 全景和根尖周 X 光片中双侧多种不透射线材料叠加的鉴别诊断
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-03 DOI: 10.1016/j.jds.2024.07.031
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引用次数: 0
Adverse effects of electronic cigarettes on human health 电子香烟对人类健康的不良影响
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-03 DOI: 10.1016/j.jds.2024.07.030

Many people have associated e-cigarettes with adjectives such as trendy and cool, and regarded vaping as “a safer alternative to cigarette smoking”. Compared with the conventional cigarettes, the public is less familiar with the dangers of e-cigarettes. E-cigarettes produce an aerosol by heating the e-liquid (usually comprising nicotine, flavorings, propylene glycol, vegetable glycerin, and other additives). Harmful substances are generated during the vaporization, such as formaldehyde. Cellular damages and DNA hypermethylation are also found to be associated with vaping. We reviewed the clinical neoplastic cases of patients with vaping history (three oral squamous cell carcinomas, one conjunctival squamous intraepithelial neoplasia, and one thoracic NUT-midline carcinoma). These patients tend to be younger than the average cancer patients. Although the exact relations between the cellular damages or DNA hypermethylation and vaping still need further investigations, we should be very careful about the dangers of using e-cigarettes as aids for cigarette smoking cessation.

许多人将电子烟与时尚、酷等形容词联系在一起,认为电子烟是 "比吸烟更安全的替代品"。与传统香烟相比,公众对电子烟的危害不太了解。电子烟通过加热电子液体(通常包括尼古丁、香料、丙二醇、植物甘油和其他添加剂)产生气雾。气化过程中会产生甲醛等有害物质。细胞损伤和 DNA 高甲基化也与吸烟有关。我们回顾了有吸烟史患者的临床肿瘤病例(3 例口腔鳞状细胞癌、1 例结膜鳞状上皮内瘤变和 1 例胸部 NUT 中线癌)。这些患者往往比一般癌症患者年轻。虽然细胞损伤或DNA高甲基化与吸食电子烟之间的确切关系仍需进一步研究,但我们应该非常小心使用电子烟作为戒烟辅助工具的危险。
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引用次数: 0
Clinical application of calcium sulfate for the augmentation of extraction socket with an oro-antral communication 硫酸钙在口腔肛门部拔牙窝洞充填术中的临床应用
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-08-03 DOI: 10.1016/j.jds.2024.07.034
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引用次数: 0
Medication-related osteonecrosis of the jaw in a patient with rheumatoid arthritis with suspected involvement of methotrexate and tocilizumab 一名类风湿性关节炎患者疑因甲氨蝶呤和替西珠单抗引起的药物性颌骨坏死
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-07-31 DOI: 10.1016/j.jds.2024.07.024
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引用次数: 0
Follicular dendritic cell sarcoma in the submandibular region: A report of a rare case 颌下腺区域的滤泡树突状细胞肉瘤:一例罕见病例的报告
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-07-29 DOI: 10.1016/j.jds.2024.07.022
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引用次数: 0
Eradicating Enterococcus faecalis in root canal system: An update 根管系统中粪肠球菌的根除:最新进展
IF 3.4 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE Pub Date : 2024-07-26 DOI: 10.1016/j.jds.2024.07.020
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引用次数: 0
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Journal of Dental Sciences
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