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Protection of Patient Data in Digital Oral and General Health Care: A Scoping Review with Respect to the Current Regulations 数字口腔和一般医疗保健中患者数据的保护:关于现行法规的范围审查
O. Di Fede, Gaetano La Mantia, M. G. Cimino, G. Campisi
The use of digital health technologies, including telemedicine and teledentistry, has become a necessity in healthcare due to the SARS-CoV-19 pandemic. These technologies allow for the reduction of the workload of healthcare providers and the improvement of patient outcomes in cases of remote monitoring, diagnosis, and communication. While there are no doubtful benefits, there are some counterparts, such as concerns about clinical risks, data security, and privacy protection. This paper aims to review the regulations regarding the use of digital health apps and software in healthcare. This scoping review followed the PRISMA-ScR guidelines and the five-step framework of Arksey and O’Malley. Study selection was based on eligibility criteria that were defined using the population-exposure framework. The review of the articles selected (n = 24) found that the majority focused on data security policies in the healthcare industry, highlighting the need for comprehensive regulations and app control systems to protect patient data. The articles also emphasized the requirement for more appropriate research and policy initiatives to improve data security practices and better address privacy and safety challenges related to health-related apps. The review recognized that papers did not report consistent standards in professional obligation and informed consent in online medical consultations, with potential risks for data privacy, medical liabilities, and ethical issues. Digital health has already revolutionized medical service delivery through technology but faces some challenges, including the lack of standardized protocols for handling sensitive patient data and the absence of common legislative provisions, raising concerns about confidentiality and security. To address these issues and deficiencies, regulatory compliance is crucial to clarify and harmonize regulations and provide guidelines for doctors and the health system. In conclusion, regulating patient data, clarifying provisions, and addressing informed patients are critical and urgent steps in maximizing usage and successful implementation of telemedicine.
由于SARS-CoV-19大流行,使用数字卫生技术,包括远程医疗和远程牙科,已成为医疗保健领域的必需品。这些技术可以减少医疗保健提供者的工作量,并在远程监控、诊断和通信的情况下改善患者的预后。虽然益处毋庸置疑,但也存在一些相应的问题,例如对临床风险、数据安全和隐私保护的担忧。本文旨在审查有关在医疗保健中使用数字健康应用程序和软件的法规。本次范围审查遵循PRISMA-ScR指南和Arksey和O 'Malley的五步框架。研究选择基于使用人群暴露框架定义的资格标准。对所选文章(n = 24)的审查发现,大多数关注医疗保健行业的数据安全政策,强调需要全面的法规和应用程序控制系统来保护患者数据。文章还强调,需要更适当的研究和政策举措,以改善数据安全实践,更好地应对与健康相关的应用程序的隐私和安全挑战。审查确认,论文没有报告在线医疗咨询的专业义务和知情同意方面的一致标准,存在数据隐私、医疗责任和道德问题的潜在风险。数字卫生已经通过技术彻底改变了医疗服务的提供,但也面临着一些挑战,包括缺乏处理敏感患者数据的标准化协议,以及缺乏共同的立法规定,这引起了人们对保密性和安全性的担忧。为了解决这些问题和缺陷,法规遵从性对于澄清和协调法规以及为医生和卫生系统提供指导至关重要。总之,规范患者数据、澄清规定和解决知情患者的问题是最大限度地利用和成功实施远程医疗的关键和紧迫步骤。
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引用次数: 1
Introduction to Surgical Navigation in Oral Surgery: A Case-Series 口腔外科手术导航导论:病例系列
G. Novelli, Mattia Moretti, M. Meazzini, Cristina Maria Angela Cassé, F. Mazzoleni, D. Sozzi
The application of surgical navigation in oral and maxillo-facial surgery has been increasing over time. In fact, computer-assisted surgery provides real-time, precise, and accurate position and guidance during surgery. The purpose of our work is to introduce the evolution of surgical navigation in recent decades, describe some technical aspects of this technology, explore new possibilities of application of surgical navigation in oral surgery, and validate the accuracy of computer-assisted surgery. We included four patients in our sample who underwent virtual planning on the cone beam CT data set and surgical navigation using non-invasive fiducial markers. The first patient presented a dislocated orthodontic arch in the soft tissues of the cheek, while the other patients presented supernumerary and impacted dental elements. Among them, two patients were affected by craniofacial synostosis. We evaluated the accuracy of computer-assisted surgery, calculating the discrepancy between the real and virtual target. In all cases, the target registration error was less than or equal to 1 mm. We can affirm that surgical navigation is a valid tool to enhance oral surgery, guaranteeing an undoubted advantage in terms of the reliability and predictability of the results, especially in complex cases.
外科导航技术在口腔颌面外科手术中的应用越来越广泛。事实上,计算机辅助手术在手术过程中提供了实时、精确和准确的定位和指导。我们的工作目的是介绍近几十年来外科导航的发展,描述该技术的一些技术方面,探索外科导航在口腔外科中应用的新可能性,并验证计算机辅助手术的准确性。我们纳入了4例患者,他们在锥形束CT数据集上进行了虚拟规划,并使用非侵入性基准标记进行了手术导航。第一位患者在脸颊软组织中出现正畸弓脱位,而其他患者则出现多余和埋伏的牙元。其中2例为颅面缝闭。我们评估了计算机辅助手术的准确性,计算了真实目标和虚拟目标之间的差异。在所有情况下,目标配准误差小于等于1mm。我们可以肯定,手术导航是一种有效的工具,以提高口腔手术,保证了无可置疑的优势,在可靠性和可预测性的结果,特别是在复杂的情况下。
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引用次数: 1
Microbiology of Maxillary Sinus Infections: Systematic Review on the Relationship of Infectious Sinus Pathology with Oral Pathology 上颌窦感染的微生物学:感染性鼻窦病理与口腔病理关系的系统综述
María Areizaga-Madina, Beatriz Pardal-Peláez, J. Montero
The main objective of this systematic review was to evaluate the microbiology of maxillary sinus infections and to determine whether an odontogenic origin of the infection can be established. The PIE question posed was the following: In patients with sinus and dental symptomatology who come for ENT or dental assessment and who undergo a microbiological study of the maxillary sinus and are found to have infectious sinus pathology, is the infectious sinus pathology related to an odontogenic origin? The literature review was carried out in PubMed, Web of Science, and the Cochrane Library. A total of 2769 articles were identified in the three databases used. Inclusion and exclusion criteria were applied, and after eliminating duplicates, 55 full-text publications were identified as suitable for inclusion. After reading this series of publications, four articles were excluded due to lack of data in the article. Finally, 51 studies were included in the qualitative analysis. In this study, the microorganisms were classified into three groups: group 1 (microorganisms of the oral microbiome related in the literature to oral pathology, namely caries and periodontal disease), group 2 (microorganisms found in the oral microbiome but not related to oral disease), and group 3 (microorganisms not identified in the microbiome). This review included 51 articles and a total of 6415 patients who underwent surgery in 7051 sinuses. Most sinus infections were caused by group 2 (63.51%) or group 1 (24.21%) bacteria. Within group 1, the most frequent bacteriological agents in sinus infections were Peptostreptococcus spp. (35.22%) and St. Viridans spp. (39.89%). In group 2, the most frequent bacteriological agents in sinus infections were H. influenzae (29%) and Streptococcus spp. (23.63%). In group 3, the most frequent cause of sinusitis of dental origin was dental caries, followed by foreign bodies (implants) and sinus elevation. Different studies have shown that certain species of bacteria isolated from maxillary sinus cultures are more frequently associated with rhinosinusitis of odontogenic origin. The results of this systemic review show that, among the bacterial species most frequently found, anaerobic species predominate over aerobic species, especially Peptostreptococcus and Staphylococcus aureus, which are part of the oral microbiome, suggesting an odontogenic origin of maxillary sinus infection. Therefore, bacterial cultures of maxillary sinus aspirate can be of great use to clinicians in the differential diagnosis of odontogenic sinusitis.
本系统综述的主要目的是评估上颌窦感染的微生物学,并确定是否可以确定感染的牙源性起源。PIE提出的问题如下:有鼻窦和牙齿症状的患者来接受耳鼻喉科或牙科评估,并进行上颌窦微生物学研究,发现有感染性鼻窦病理,感染性鼻窦病理与牙源性起源有关吗?文献综述在PubMed、Web of Science和Cochrane图书馆进行。在使用的三个数据库中共确定了2769篇文章。采用纳入和排除标准,在消除重复后,确定55份全文出版物适合纳入。在阅读了这一系列的出版物后,有4篇文章因为其中数据不足而被排除。最后纳入51项研究进行定性分析。在本研究中,将微生物分为三组:第1组(文献中与口腔病理相关的口腔微生物组,即龋齿和牙周病),第2组(口腔微生物组中发现但与口腔疾病无关的微生物),第3组(微生物组中未发现的微生物)。本综述包括51篇文章,共有6415例患者接受了7051例鼻窦手术。鼻窦感染以2组(63.51%)或1组(24.21%)细菌为主。在第1组中,最常见的细菌学病原体是胃链球菌(35.22%)和圣维里达菌(39.89%)。第2组鼻窦感染最常见的细菌是流感嗜血杆菌(29%)和链球菌(23.63%)。在第三组中,牙源性鼻窦炎最常见的原因是龋齿,其次是异物(种植体)和鼻窦抬高。不同的研究表明,从上颌窦培养物中分离的某些种类的细菌更常与牙源性鼻窦炎有关。本系统综述的结果显示,在最常见的细菌种类中,厌氧种类多于好氧种类,尤其是胃链球菌和金黄色葡萄球菌,它们是口腔微生物组的一部分,提示上颌窦感染的牙源性起源。因此,上颌窦吸痰细菌培养对临床医生鉴别诊断牙源性鼻窦炎具有重要意义。
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引用次数: 0
Oral Toxicities in Cancer Patients, Who Receive Immunotherapy: A Case Series of 24 Patients 接受免疫治疗的癌症患者的口服毒性:24例患者的病例系列
O. Nicolatou‐Galitis, A. Psyrri, N. Tsoukalas, Evangelos Galitis, H. Linardou, D. Galiti, Ilias Athansiadis, D. Kalapanida, E. Razis, N. Katirtzoglou, N. Kentepozidis, P. Kosmidis, F. Stavridi, Efthimios Kyrodimos, D. Daliani, G. Tsironis, G. Mountzios, S. Karageorgopoulou, P. Gouveris, K. Syrigos
The oral problems of 24 cancer patients on immunotherapy between 2017–2022 and referred by their oncologists, were reported. The age range was 49–80 years, and the median was 64 years. Lung cancer was the most common disease. Three patients a had history of autoimmune disease prior to cancer diagnosis. Patients received immunotherapy for two to 48 months. Prior to immunotherapy, 17 patients received cytotoxic chemotherapy, five angiogenesis inhibitors and one1 radiotherapy to head/neck. During immunotherapy, four patients received chemotherapy, one received bevacizumab, and eight received bone targeting agents, either alone or in combination. Presenting symptoms were oral pain (18 patients, 75%), dental pain (five patients), xerostomia (five patients), burning/itching (seven patients), bleeding (three patients), swelling (three patients), and taste problems (dysgeusia) (three patients). One patient was asymptomatic. Immune-related lesions were observed in 15 patients (62.50%), of which three were exacerbations of prior autoimmune disease. Three patients reported severe deterioration and itching after using a mouthwash. We also observed six (25%) infections (four candidiasis and two herpes simplex), and six (25.00%) cases of medication-related osteonecrosis of the jaw (MRONJ). Five of those MRONJ cases developed among the eight patients with the administration of bone targeting agents and one in a patient with bevacizumab. Two patients presented with more than one lesion. In conclusion, immune-related lesions were most common; oral infections and MRONJ were also observed. Various oral complications might be related to the interplay between immunotherapy and other therapies prior or concurrent to immunotherapy.
报告了2017-2022年期间接受免疫治疗并由肿瘤科医生转诊的24名癌症患者的口腔问题。年龄范围为49-80岁,中位数为64岁。肺癌是最常见的疾病。3例患者在癌症诊断前有自身免疫性疾病史。患者接受2至48个月的免疫治疗。在免疫治疗之前,17例患者接受了细胞毒性化疗、5种血管生成抑制剂和1例头颈部放疗。在免疫治疗期间,4名患者接受化疗,1名患者接受贝伐单抗治疗,8名患者接受骨靶向药物治疗,单独或联合使用。主要症状为口腔疼痛(18例,75%)、牙痛(5例)、口干(5例)、灼烧/瘙痒(7例)、出血(3例)、肿胀(3例)和味觉问题(3例)。一名患者无症状。在15例(62.50%)患者中观察到免疫相关病变,其中3例是既往自身免疫性疾病的加重。三名患者报告使用漱口水后严重恶化和瘙痒。我们还观察到6例(25%)感染(4例念珠菌病和2例单纯疱疹)和6例(25.00%)药物相关性颌骨骨坏死(MRONJ)。这些MRONJ病例中有5例发生在8例使用骨靶向药物的患者中,1例发生在使用贝伐单抗的患者中。两名患者表现为不止一种病变。综上所述,免疫相关病变最为常见;观察口腔感染和MRONJ。各种口腔并发症可能与免疫治疗前或同时免疫治疗的其他治疗相互作用有关。
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引用次数: 2
The Influence of Polishing on the Mechanical Properties of Zirconia—A Systematic Review 抛光对氧化锆力学性能的影响——系统综述
Xiaoyun Liu, J. Aarts, Sunyoung Ma, J. Choi
Purpose: To systematically review studies that investigated the consequences of various polishing protocols on the mechanical properties of zirconia. The effects on the roughness and crystalline phase transformation were also evaluated. Materials and methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) was followed. The electronic searches were conducted via OVID MEDLINE (R) and Scopus for publications between 1996 and August 2022. The search strategy was limited to full texts in the English language and in vitro studies. The influences on flexural strength, hardness, fracture strength, fracture toughness, wear resistance, roughness and phase transformation were collected. Various methodologies to measure these properties were also outlined and compared. The risk of bias for included studies was evaluated according to a modified Consolidated Standards of Reporting Trials (CONSORT) checklist. Results: After removing duplicates, the systematic search identified a total of 419 studies. Nineteen studies satisfied the inclusion criteria and were selected for final analysis. Fifteen of the included studies observed the changes in surface roughness along with the mechanical properties and ten studies detected the tetragonal (T) to monoclinic (M) phase transformation. Eight studies also investigated the change in properties after polishing the ground surface. Testing parameters were not consistent among studies due to the varying methods. Conclusions: To a certain extent, polishing influences the strength, hardness, toughness and wear resistance. The damage in some mechanical properties, as well as the roughened surface, from grinding can be restored via an appropriate polishing treatment. The polishing process itself barely induces the transition from the tetragonal to monoclinic phase of zirconia, while this commonly occurs after grinding. If the subsequent polishing is adequate, the transformed monoclinic phase can be eliminated with the removal of the outermost surface layer. In dentistry, polishing is an imperative step to maintain the superior functions and service life of zirconia for patients.
目的:系统回顾各种抛光方案对氧化锆机械性能影响的研究。并对粗糙度和晶相转变的影响进行了评价。材料和方法:采用系统评价和荟萃分析首选报告项目(PRISMA)。通过OVID MEDLINE (R)和Scopus对1996年至2022年8月之间的出版物进行电子检索。搜索策略仅限于英文全文和体外研究。收集了对弯曲强度、硬度、断裂强度、断裂韧性、耐磨性、粗糙度和相变的影响。还概述和比较了测量这些属性的各种方法。纳入研究的偏倚风险根据修订后的综合试验报告标准(CONSORT)清单进行评估。结果:剔除重复项后,系统检索共发现419项研究。19项研究符合纳入标准,并被选中进行最终分析。其中15项研究观察到表面粗糙度随力学性能的变化,10项研究检测到四方(T)到单斜(M)相变。八项研究还调查了抛光地面后性能的变化。由于方法不同,各研究的检测参数不一致。结论:抛光在一定程度上影响材料的强度、硬度、韧性和耐磨性。一些机械性能的损坏,以及粗糙的表面,可以通过适当的抛光处理来恢复。抛光过程本身很少诱导氧化锆从四方相转变为单斜相,而这通常发生在研磨之后。如果随后的抛光是充分的,转化的单斜相可以消除与去除最外层的表面层。在牙科中,抛光是保持氧化锆优越功能和使用寿命的必要步骤。
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引用次数: 0
Life-Threatening Hemorrhage from the Lingual Artery after a Genioplasty—Case Report and Review of Possible Complications Associated with Orthognathic Surgeries 颏整形术后危及生命的舌动脉出血-病例报告及与正颌手术相关的可能并发症回顾
Nikoletta Vargas, Dasha Donado, J. S. Sifuentes-Cervantes, J. Castro-Núñez, L. M. Guerrero, Luis Ferrer-Nuin
Life-threatening hemorrhage after orthognathic surgery is rare. However, when it occurs, immediate diagnosis of the source of bleeding is imperative for successful management. The current report is the first to describe a rare life-threatening bleed from the left lingual artery following a genioplasty in a young healthy patient. Such occurrence also emphasizes the diverse anatomical course of the lingual artery and focuses on raising awareness about its numerous variations, sites of origin. Surgeons are often unaware of the anatomic variations of the lingual artery and its relation to the surrounding structures, which often lead to unexpected hemorrhages. Moreover, depending on severity, they can become challenging to manage and may lead to life-threatening complications. Taking into consideration the variations and the classification of the anatomical course of the lingual artery will improve surgical outcome, reduce morbidity, and lead to appropriate healing and recovery. This previously unpublished case regarding complications of lingual artery hemorrhage after genioplasty can bring awareness for future surgical considerations.
正颌手术后危及生命的出血是罕见的。然而,当它发生时,立即诊断出血的来源是成功管理的必要条件。目前的报告是第一次描述了一个罕见的危及生命的出血从左舌动脉在一个年轻的健康患者的genioplasty后。这种情况也强调了舌动脉的不同解剖过程,并着重于提高对其众多变异和起源地点的认识。外科医生往往不知道舌动脉的解剖变异及其与周围结构的关系,这往往导致意外出血。此外,根据严重程度,它们可能变得难以管理,并可能导致危及生命的并发症。考虑舌动脉解剖过程的变化和分类,将改善手术效果,减少发病率,并导致适当的愈合和恢复。这以前未发表的病例关于舌动脉出血并发症后的颏成形术可以带来意识,为未来的手术考虑。
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引用次数: 0
Masticatory Functionality in Post-Acute-COVID-Syndrome (PACS) Patients with and without Sarcopenia 急性冠状病毒综合征(PACS)后伴有和不伴有肌肉减少症患者的咀嚼功能
Bruno Davide Pugliese, G. Garuti, L. Bergamini, Riccardo Karim Khamaisi, G. Guaraldi, U. Consolo, P. Bellini
Musculoskeletal symptoms are common in both acute COVID-19 disease and post-acute sequelae (Post-Acute COVID Syndrome). The purpose of this study is to investigate whether there are reduced levels of masticatory function in patients with PACS (Post Acute COVID Syndrome) who suffer from sarcopenia, under the hypothesis that the latter may also involve the masticatory muscles. This study includes 23 patients hospitalized for COVID-19 between February 2020 and April 2021 and currently suffering from PACS. Among these PACS patients, 13/23 (56%) suffer from sarcopenia, 5/23 (22%) complain of asthenia but do not suffer from sarcopenia and the remaining 5/23 (22%) do not present muscle symptoms (non-asthenic non-sarcopenic). Oral health indices of all patients were collected. The masticatory strength was assessed with a gnathodynamometer based on piezoresistive sensors, and the masticatory effectiveness was measured by administering the “chewing gum mixing ability test” by having patients perform 20 masticatory cycles on a two-color chewing gum and analyzing the outcome through the ViewGum© software. Moreover, we gathered data with a hand grip test and gait speed test. The data collected in this study show that PACS sarcopenic patients have decreased masticatory effectiveness and strength compared to PACS asthenic non-sarcopenic patients and PACS non-asthenic non-sarcopenic patients.
肌肉骨骼症状在急性COVID-19疾病和急性后后遗症(急性后COVID综合征)中都很常见。本研究的目的是探讨患有肌肉减少症的PACS (Post Acute COVID Syndrome)患者的咀嚼功能水平是否降低,假设后者也可能涉及咀嚼肌。该研究包括2020年2月至2021年4月期间因COVID-19住院的23名患者,目前患有PACS。在这些PACS患者中,13/23(56%)患有肌肉减少症,5/23(22%)抱怨虚弱但没有肌肉减少症,其余5/23(22%)没有肌肉症状(非衰弱性非肌肉减少症)。收集所有患者的口腔健康指标。采用基于压阻式传感器的口腔测力仪评估咀嚼强度,通过“口香糖混合能力测试”测量咀嚼效能,患者对双色口香糖进行20次咀嚼循环,并通过ViewGum©软件分析结果。此外,我们还通过手握测试和步态速度测试收集数据。本研究收集的数据显示,PACS肌少症患者与PACS肌无力非肌少症患者和PACS非肌无力非肌少症患者相比,咀嚼效能和咀嚼力量均有所下降。
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引用次数: 0
Effect of Aging of Orthodontic Aligners in Different Storage Media on Force and Torque Generation: An In Vitro Study 正畸矫正器在不同储存介质中老化对力和扭矩产生的影响:一项体外研究
Tarek M. Elshazly, Diva Nang, Bijan Golkhani, Hanaa Elattar, C. Bourauel
The aim of this study is to study the effect of aging in different media (deionized water and artificial saliva) on the force/torque generation by thermoplastic orthodontic aligners. Ten thermoformed aligners, made of Essix ACE® thermoplastic sheets, were aged in deionized water and in artificial saliva over two weeks at 37 °C, five in each medium. The force/torque generated on upper second premolar (Tooth 25) of a resin model was measured at day 0 (before aging), 2, 4, 6, 10, and 14, using a biomechanical test set-up. The results showed that aging of aligners by storage in aging agent has no significant impact on their force/torque decay. No significant differences were also found in force/torque between the aligners stored in deionized water nor artificial saliva. The vertical extrusion-intrusion forces were measured in the range of 1.4 to 4.6 N, the horizontal oro-vestibular forces were 1.3 to 2.5 N, while the torques on mesio-distal rotation were 5.4 to 41.7 Nmm. It could be concluded that the influence of saliva only on the mechanical properties can be classified as insignificant, and no significant difference between artificial aging in deionized water or artificial saliva was observed.
本研究的目的是研究不同介质(去离子水和人工唾液)老化对热塑性正畸矫正器产生力/扭矩的影响。10个由Essix ACE®热塑性塑料片材制成的热成型对准器,在去离子水和人工唾液中在37°C下老化两周,每种介质5个。在第0天(老化前)、第2天、第4天、第6天、第10天和第14天,使用生物力学测试装置测量树脂模型上第二前磨牙(第25牙)产生的力/扭矩。结果表明,在老化剂中存放对矫直器的力/转矩衰减没有显著影响。在去离子水和人工唾液中储存的矫直器的力/扭矩也没有显着差异。垂直挤压力为1.4 ~ 4.6 N,水平前庭力为1.3 ~ 2.5 N,中远端旋转力矩为5.4 ~ 41.7 Nmm。由此可见,唾液仅对机械性能的影响可归为不显著,去离子水人工老化与人工唾液人工老化无显著差异。
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引用次数: 2
Acknowledgment to the Reviewers of Oral in 2022 对2022年Oral审稿人的感谢
High-quality academic publishing is built on rigorous peer review [...]
高质量的学术出版建立在严格的同行评审的基础上[…]
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引用次数: 0
Biological Impact of the Ratio of E-Cigarette Liquid Base Constituents, Propylene Glycol and Vegetable Glycerin, on Primary Human Melanocytes 电子烟液基成分丙二醇和植物甘油配比对人原代黑色素细胞的生物学影响
S. Goenka
Oral cavity is the first site to encounter e-cigarette (EC) or tobacco smoke. Increased gingival pigmentation can lead to aesthetic concerns and hinder successful outcomes of gingival depigmentation procedures as well as lead to color alterations in patients with dental restorations. While the effects of tobacco smoke and nicotine in increasing pigmentation in the gingiva of the smoker have been well-documented, the effects of EC on pigmentation have not been explored. Due to large variations in e-liquids from different sources, this study focused on the effects of EC liquid base constituents, propylene glycol (PG) and vegetable glycerin (VG), which are a universal constituent of all e-liquids. Effects of PG and VG solutions mixed at different ratios (0/100, 20/80, 55/45, 80/20, and 100/0 % v/v) were examined using primary human melanocytes obtained from neonatal foreskin; this cell model is representative of the physiological model of gingival melanocytes and has been used in our previous study. Results showed significant concentration-dependent cytotoxicity for all groups, although mixtures with higher PG content showed higher cytotoxicity to cells as compared to those with VG. Melanogenesis was robustly activated by PG-containing mixtures with the greatest effect obtained for 80/20 PG/VG mixture as compared to other ratios, while VG by itself did not activate melanogenesis. The activation of melanin synthesis within cells was not correlated to intracellular tyrosinase activity as that was suppressed by PG at higher ratios. Morphological changes of a multidendritic phenotype were observed in cells exposed to all PG/VG mixtures, with markedly greater effects for groups with higher PG content. Taken together, the results of this pilot study demonstrate for the first time that EC base constituents possess the capacity to significantly activate melanogenesis in human melanocytes at nontoxic concentrations, with the dominant effect obtained at a PG/VG ratio of 80/20, indicative of a nonlinear response with increasing concentrations of PG. Moreover, further studies to address the impact of PG/VG with the addition of nicotine and the effects of different EC flavors are underway. Future studies to elucidate mechanisms of increased pigmentation as well as further investigate effects in melanocytes with the presence of other oral cell types and other components of the oral microenvironment such as saliva and bacterial flora are warranted. This research emphasizes the need to reconsider the regulation of EC base constituents PG and VG as different ratios of these compounds can cause differential effects.
口腔是第一个接触电子烟或烟草烟雾的地方。增加的牙龈色素沉着可以导致审美问题,并阻碍成功的结果牙龈色素沉着的程序,以及导致患者的牙齿修复颜色改变。虽然烟草烟雾和尼古丁增加吸烟者牙龈色素沉着的影响已经得到了充分的证明,但EC对色素沉着的影响尚未得到探讨。由于来自不同来源的电子液体有很大差异,本研究重点研究了EC液体基础成分、丙二醇(PG)和植物甘油(VG)的影响,这些成分是所有电子液体的普遍成分。使用从新生儿包皮获得的人原代黑色素细胞,检测不同比例(0/100、20/80、55/45、80/20和100/0 v/v)混合PG和VG溶液的影响;该细胞模型是具有代表性的牙龈黑素细胞生理模型,在我们的前期研究中已经使用过。结果显示,尽管PG含量较高的混合物对细胞的细胞毒性高于VG含量的混合物,但所有组的细胞毒性均呈浓度依赖性。与其他比例相比,含有PG/VG的80/20混合物的效果最大,而VG本身不激活黑色素生成。细胞内黑色素合成的激活与细胞内酪氨酸酶活性无关,因为PG以较高的比例抑制了酪氨酸酶活性。在暴露于所有PG/VG混合物的细胞中观察到多树突表型的形态学变化,PG含量较高的组的影响明显更大。总之,本初步研究的结果首次证明,在无毒浓度下,EC碱成分具有显著激活人类黑素细胞黑素生成的能力,在PG/VG比例为80/20时获得主导效应,表明随着PG浓度的增加,PG/VG的影响与尼古丁的添加以及不同EC口味的影响正在进一步研究中。未来的研究将阐明增加色素沉着的机制,并进一步研究其他口腔细胞类型和口腔微环境的其他成分(如唾液和细菌菌群)对黑素细胞的影响。本研究强调需要重新考虑EC基础成分PG和VG的调节,因为这些化合物的不同比例会导致不同的效果。
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引用次数: 3
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Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics
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