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Implant Stability Quotient (ISQ): A Reliable Guide for Implant Treatment 植入物稳定商(ISQ):植入物治疗的可靠指南
Pub Date : 2022-01-31 DOI: 10.5772/intechopen.101359
G. Gupta
Implant stability is a prerequisite for successful dental implants and osseointegration. To determine the status of implant stability, continuous monitoring in an objective and qualitative manner is important. To measure implant stability two different stages are there: Primary and secondary. Primary implant stability at placement is a mechanical phenomenon that is related to the local bone quality and quantity, the type of implant and placement technique used. Primary stability is checked from mechanical engagement with cortical bone. Secondary stability is developed from regeneration and remodeling of the bone and tissue around the implant after insertion and affected by the primary stability, bone formation and remodeling. Implant stability is essential for the time of functional loading. Classical benchmark methods to measure implant stability were radiographs or microscopic analysis, removal torque, push-through and pull-through but due to lack of feasibility, time consumption and ethical reasons other methods have been propounded over period of time like measurement of implant torque, model analysis and most important ISQ which has the ability to monitor osseointegration and the life expectancy of an implant. ISQ is a valuable diagnostic and clinical tool that has far-reaching consequences on implant dentistry and this article throws light on advanced and reliable methods of assessing ISQ.
种植体的稳定性是成功种植牙和骨整合的先决条件。为了确定植入物的稳定性,以客观和定性的方式进行持续监测是很重要的。为了测量植入物的稳定性,有两个不同的阶段:初级和次级。植入时的原发性植入物稳定性是一种机械现象,与局部骨骼质量和数量、植入物类型和使用的植入技术有关。主要稳定性通过与皮质骨的机械接合来检查。二级稳定性由植入后骨和植入物周围组织的再生和重塑发展而来,并受一级稳定性、骨形成和重塑的影响。植入物的稳定性对于功能负载时间至关重要。测量植入物稳定性的经典基准方法是射线照片或显微镜分析、移除扭矩、推进和拉动,但由于缺乏可行性、时间消耗和道德原因,随着时间的推移,已经提出了其他方法,如测量植入物扭矩,模型分析和最重要的ISQ,其具有监测骨整合和植入物预期寿命的能力。ISQ是一种有价值的诊断和临床工具,对种植牙有着深远的影响,本文为评估ISQ提供了先进可靠的方法。
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引用次数: 2
Dental Trauma [Working Title] 牙齿创伤〔工作名称〕
Pub Date : 2022-01-01 DOI: 10.5772/intechopen.100797
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引用次数: 0
Peri-Implant Soft Tissue Augmentation 种植体周围软组织增强术
Pub Date : 2021-12-27 DOI: 10.5772/intechopen.101336
M. Blašković, D. Blašković
The peri-implant soft tissue (PIS) augmentation procedure has become an integral part of implant-prosthetic rehabilitation. Minimal width of keratinized mucosa (KM) of 2 mm is deemed necessary to facilitate oral hygiene maintenance around the implant and provide hard and soft peri-implant tissue stability. PIS thickness of at least 2 mm is recommended to achieve the esthetic appearance and prevent recessions around implant prosthetic rehabilitation. The autogenous soft tissue grafts can be divided into two groups based on their histological composition—free gingival graft (FGG) and connective tissue graft (CTG). FGG graft is used mainly to increase the width of keratinized mucosa while CTG augment the thickness of PIS. Both grafts are harvested from the same anatomical region—the palate. Alternatively, they can be harvested from the maxillary tuberosity. Soft tissue grafts can be also harvested as pedicle grafts, in case when the soft tissue graft remains attached to the donor site by one side preserving the blood supply from the donor region. Clinically this will result in less shrinkage of the graft postoperatively, improving the outcome of the augmentation procedure. To bypass the drawback connected with FGG or CTG harvesting, substitutional soft tissue grafts have been developed.
种植体周围软组织(PIS)增强手术已成为种植体假体康复的一个组成部分。2mm的角化粘膜(KM)的最小宽度被认为是必要的,以促进植入物周围的口腔卫生维护,并提供植入物周围组织的软硬稳定性。建议PIS厚度至少为2mm,以达到美观的外观,并防止植入假体康复周围的凹陷。根据组织学成分,自体软组织移植物可分为两组:游离牙龈移植物(FGG)和结缔组织移植物(CTG)。FGG移植物主要用于增加角化粘膜的宽度,而CTG可增加PIS的厚度。这两种移植物都是从同一个解剖区域——腭上采集的。或者,它们可以从上颌结节处采集。软组织移植物也可以作为蒂移植物收获,以防软组织移生物通过一侧保持附着在供体部位,从而保留来自供体区域的血液供应。临床上,这将减少移植物术后的收缩,改善增强手术的结果。为了绕过与FGG或CTG收获相关的缺点,已经开发了替代性软组织移植物。
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引用次数: 0
Growth Factors and Dental Implantology 生长因子与牙种植学
Pub Date : 2021-12-09 DOI: 10.5772/intechopen.101082
D. Gupta
Normal healing procedure of bone involves various sequential events to develop bone and bridge the bone -to- bone gap. When this healing occurs with a metal (titanium) fixture on one side, it is called as osseointegration. After extensive studies on this topic, it is found that this procedure occurs in presence of various biologic constituents that are spontaneously released at the site. Thus, to accelerate normal healing after implant placement and make results more predictable, it has been proposed to use these autologous factors in the osteotomy site. Since it is the beginning of a new revolution in dental implantology, right now it is essential to analyze all possible combinations of host conditions, bone quality and quantity and bio factors being used. This can definitely be a boon for the patients with compromised systemic or local conditions.
骨的正常愈合过程包括各种顺序的事件,以发展骨和桥接骨与骨的间隙。当这种愈合在一侧使用金属(钛)固定装置时,称为骨整合。经过对该主题的广泛研究,发现该过程发生在现场自发释放的各种生物成分的存在下。因此,为了加速植入后的正常愈合并使结果更可预测,有人建议在截骨部位使用这些自体因素。由于这是牙科植入学新革命的开始,现在有必要分析宿主条件、骨质量和数量以及所使用的生物因素的所有可能组合。这对全身或局部条件受损的患者来说无疑是一个福音。
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引用次数: 0
Surface Modification of Titanium Orthodontic Implants 钛种植体的表面改性
Pub Date : 2021-12-06 DOI: 10.5772/intechopen.100038
A. Rampurawala, Amol S Patil
Orthodontic miniscrews have had a considerable impact on modern orthodontic treatment, not only by providing a new source of anchors for anchorage-demanding cases, but also for force management and control. Whilst miniscrews need to be mechanically stable during treatment to provide sufficient anchorage and predictable force control, as temporary anchorage devices they need also be easy to remove after orthodontic treatment. These requirements differentiate orthodontic miniscrews from dental implants - which once placed, are not to be removed - and dictate the approach as to how their clinical performance can be optimized. Over the past decade, various titanium surface modifications and improvements in implant surface topography have shown to enhance osseointegration of endosseous dental implants. Some of these techniques have helped provide a similar enhancement of the biomechanical potential of orthodontic miniscrews as well. In this perspective, we present a brief discussion on all such reported techniques followed by a detailed account of the most recently proposed ultraviolet photofunctionalization technique - a novel chair-side surface modification method.
正畸小工作人员对现代正畸治疗产生了相当大的影响,不仅为需要锚固的病例提供了一种新的锚固件来源,而且还为力量管理和控制提供了新的锚。虽然迷你螺钉在治疗过程中需要保持机械稳定,以提供足够的锚固和可预测的力控制,但作为临时锚固装置,它们也需要在正畸治疗后易于移除。这些要求将正畸小螺钉与种植牙区分开来,种植牙一旦放置,就不会被移除,并规定了如何优化其临床性能的方法。在过去的十年里,各种钛表面修饰和种植体表面形貌的改善已经表明可以增强骨内种植体的骨整合。其中一些技术也有助于提高正畸小螺钉的生物力学潜力。从这个角度来看,我们对所有这些报道的技术进行了简短的讨论,然后详细介绍了最近提出的紫外线光功能化技术——一种新型的椅子侧表面改性方法。
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引用次数: 0
A Review of Current Concepts in Full Arch Rehabilitation with Dental Implants 牙种植体全弓康复的最新研究进展
Pub Date : 2021-11-13 DOI: 10.5772/intechopen.99704
L. Díez-Suárez
Various causes can be responsible for tooth loss. In general, caries, periodontal disease, facial trauma, pathology of the jaws, among other causes, could lead to the loss of a tooth or a group of teeth. As a consequence, the stimuli that participate in bone maintenance are compromised and bone reduction occurs gradually, making it difficult to use conventional prostheses. Fortunately, technological advances applied to dental implantology have allowed us to perform full-arch prosthetic treatments, managing to rehabilitate the form, function, esthetics and lost self-esteem in patients with severe atrophy of the jaws. The objective of this chapter is to describe the key and current aspects in full-arch rehabilitation with dental implants.
牙齿脱落的原因多种多样。一般来说,龋齿、牙周病、面部创伤、颌骨病理等原因都可能导致一颗牙齿或一组牙齿的缺失。因此,参与骨维持的刺激受到影响,骨减少逐渐发生,使得使用传统假体变得困难。幸运的是,应用于牙科植入术的技术进步使我们能够进行全弓假体治疗,成功地恢复了严重颌骨萎缩患者的形态、功能、美学和丧失的自尊。本章的目的是描述种植牙全弓康复的关键和当前方面。
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引用次数: 0
Characteristics of Implant Systems That Can Accelerate and Improve the Osseointegration Process 可以加速和改善骨整合过程的种植体系统的特性
Pub Date : 2021-11-05 DOI: 10.5772/intechopen.99937
Sergio Alexandre Gehrke
The research and development of new implant models modifying the micro and macro design has increased significantly in the last decades. With the advancement of knowledge about the biological behavior of these materials when implanted in living tissue, a great search for morphological changes at macrogeometric, microgeometric and even nanogeometric levels was started, to accelerate the process of osseointegration of implants, reducing the time for the rehabilitation treatment. This chapter will seek to demonstrate, through scientific evidence, the potential effect of the morphological characteristics of implants on osseointegration. Modifications in the surface treatment of implants will be discussed to improve the osseointegration process in terms of quality and time reduction, changes in the surgical technique used for the osteotomy of the implant installation site, and macrogeometric changes in the shape of the implant body.
在过去的几十年里,新型种植体模型的研究和开发已经大大增加了微观和宏观的设计。随着对这些材料植入活体组织后的生物学行为认识的提高,人们开始在宏观几何、微观几何甚至纳米几何水平上寻找形态学变化,以加速植入物的骨整合过程,减少康复治疗的时间。本章将试图通过科学证据证明种植体的形态特征对骨整合的潜在影响。将讨论对种植体表面处理的改进,以改善骨整合过程的质量和减少时间,改变用于种植体安装部位截骨的手术技术,以及种植体形状的宏观几何变化。
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引用次数: 2
Strategic Implants under Existing Partial Removable Dentures, Why, How Many, and Which Type? 现有部分可摘义齿下的战略植入物,为什么,多少,哪种类型?
Pub Date : 2021-10-26 DOI: 10.5772/intechopen.100191
Ahmad Al Jaghsi
Inserting strategic implants under existing removable partial dentures requires a comprehensive understanding of removable prosthodontic basics and possible designs, as well as a thorough understanding of implant therapy. Prior to the widespread adoption of implants as standard prosthetic therapy, remaining roots were preserved and used to minimize bone resorption under the removable denture. Root-supported overdentures become less common after the overwhelming clinical studies that emphasize dental implants’ reliability and high success and survival rate. Fixed prostheses cannot be used to treat a severely decreased dentition unless a significant number of implants can be inserted, sufficient bone quantity and quality are available, and the patients can afford the treatment. On the other hand, using strategic implants under existing RPD upgrades the design to a more favorable support type. It improves patient satisfaction with the RPD in speaking, chewing, retention, stability, and RPD support. This improvement could be reached earlier if the patient received immediate loading. Strategic implants can also improve chewing ability, stabilize the occlusion, increase bite force and improve patient oral health-related quality of life. Moreover, better distribution of occlusal forces that may reduce bone resorption may be gained. Furthermore, strategic implants can improve comfort, confidence, and esthetics by reducing the RPD size and removing the retainers from the esthetic zone.
在现有的可摘局部义齿下插入战略性植入物需要全面了解可摘修复的基本原理和可能的设计,以及对植入物治疗的彻底了解。在广泛采用植入物作为标准假体治疗之前,保留了剩余的牙根,并用于最大限度地减少可摘义齿下的骨吸收。在大量临床研究强调种植牙的可靠性、高成功率和生存率之后,根支持覆盖义齿变得不那么常见了。固定假体不能用于治疗严重减少的牙列,除非可以插入大量的植入物,有足够的骨量和质量,并且患者能够负担得起治疗费用。另一方面,在现有RPD下使用战略性植入物将设计升级为更有利的支撑类型。它提高了患者对RPD在说话、咀嚼、保持、稳定性和RPD支持方面的满意度。如果患者立即接受负荷,则可以更早地达到这种改善。战略性植入物还可以提高咀嚼能力,稳定咬合,增加咬合力,提高患者口腔健康生活质量。此外,可以获得更好的咬合力分布,从而减少骨吸收。此外,战略性植入物可以通过减少RPD尺寸和从美观区域移除保持器来提高舒适性、信心和美观性。
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引用次数: 1
New Trends in Bioactive Glasses for Bone Tissue: A Review 骨组织生物活性眼镜研究的新动向
Pub Date : 2021-10-13 DOI: 10.5772/intechopen.100567
P. Vizureanu, M. Baltatu, A. Sandu, D. Achiței, D. D. B. Nergis, M. Perju
Bioactive glasses are very attractive materials, used for tissue engineering materials, usually to fill and restore bone defects. This category of biomaterials, show considerable potential for orthopaedic surgery because they can promote bone tissue regeneration. Many trace elements have been incorporated in the glass network, an example is metallic glasses to obtain the desired properties. Because of tolerable mechanical properties, and because they are able to bond to living bone and stimulate its regeneration, this bioactive glasses have a particular interest and are in a continuous research and improvement. The chapter presents the history of bioactive glasses, classification, include a summary of common fabrication methods, applications, surface coatings, applications and future trends in relation to human bone. This review highlight new trends and areas of future research for bioactive glasses.
生物活性玻璃是一种非常有吸引力的材料,用于组织工程材料,通常用于填充和修复骨缺损。这类生物材料在骨科手术中显示出相当大的潜力,因为它们可以促进骨组织再生。许多微量元素已经被掺入玻璃网络中,例如金属玻璃,以获得所需的性能。由于具有可耐受的机械性能,并且能够与活骨结合并刺激其再生,这种生物活性玻璃引起了人们的特别兴趣,并正在不断研究和改进。本章介绍了生物活性玻璃的历史、分类,包括常见的制造方法、应用、表面涂层、应用以及与人类骨骼相关的未来趋势。这篇综述强调了生物活性玻璃的新趋势和未来研究领域。
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引用次数: 1
Peri-Implantitis Revisited Peri-Implantitis重新审视
Pub Date : 2021-10-02 DOI: 10.5772/intechopen.100293
A. Shatta, S. Anil
Dental implants have become a well-accepted treatment option for patients with partial or complete edentulism. The long-term success of the endosseous dental implant depends not only on osseointegration, but on the healthy soft tissue interface that surrounds the implant. Peri-implantitis is defined as an inflammatory process affecting the supporting hard and soft tissue around an implant in function, leading to loss of supporting bone. Peri-implant mucositis has been defined as a reversible inflammatory reaction in the peri-implant mucosa surrounding an osseointegrated dental implant. Peri-implant mucositis is assumed to precede peri-implantitis. Data indicate that patients diagnosed with peri-implant mucositis may develop peri-implantitis, especially in the absence of regular maintenance care. However, the features or conditions characterizing the progression from peri-implant mucositis to peri-implantitis in susceptible patients have not been identified. The most common etiological factors associated with the development of peri-implantitis are the presence of bacterial plaque and host response. The risk factors associated with peri-implant bone loss include smoking combined with IL-1 genotype polymorphism, a history of periodontitis, poor compliance with treatment and oral hygiene practices, the presence of systemic diseases affecting healing, cement left behind following cementation of the crowns, lack of keratinized gingiva, and previous history of implant failure There is strong evidence that there is an increased risk of developing peri-implantitis in patients who have a history of severe periodontitis, poor plaque control, and no regular maintenance care after implant therapy. Management of peri-implantitis generally works on the assumption that there is a primary microbial etiology. Furthermore, it is assumed that micro-organisms and/or their by-products lead to infection of the surrounding tissues and subsequent destruction of the alveolar bone surrounding an implant. A combination of surgical, open debridement, and antimicrobial treatment has been advocated for the treatment of peri-implantitis. Surgical intervention is required once a patient has bleeding on probing, greater than 5 mm of probing depth, and severe bone loss beyond that expected with remodeling. Access flaps require full-thickness elevation of the mucoperiosteum, facilitating debridement and decontamination of the implant surface via hand instruments, ultrasonic tips, or lasers. When necessary, surgical procedures may be used in conjunction with detoxification of the implant surface by mechanical devices, such as high-pressure air powder abrasion or laser.
种植牙已成为一种广泛接受的治疗选择,为患者的部分或完全全牙。牙内种植体的长期成功不仅取决于骨整合,还取决于种植体周围健康的软组织界面。种植体周围炎被定义为影响种植体周围支撑硬组织和软组织功能的炎症过程,导致支撑骨的丢失。种植体周围粘膜炎被定义为一种在种植体周围的可逆性炎症反应。种植体周围粘膜炎被认为先于种植体周围炎。数据表明,诊断为种植体周围粘膜炎的患者可能会发展为种植体周围炎,特别是在缺乏定期维护护理的情况下。然而,易感患者从种植体周围黏膜炎发展到种植体周围炎的特征或条件尚未确定。与种植体周围炎相关的最常见的病因因素是细菌斑块和宿主反应的存在。与种植体周围骨丢失相关的危险因素包括吸烟合并IL-1基因型多态性、牙周炎病史、治疗依从性差和口腔卫生习惯、存在影响愈合的全身性疾病、冠胶结后残留的骨水泥、缺乏角化的牙龈、有强有力的证据表明,有严重牙周炎病史、菌斑控制不良、种植治疗后没有定期维护护理的患者发生种植周炎的风险增加。种植体周围炎的管理通常是在假设存在主要的微生物病因的基础上进行的。此外,假设微生物和/或它们的副产品导致周围组织的感染,并随后破坏种植体周围的牙槽骨。手术、开放清创和抗菌治疗相结合已被提倡用于治疗种植体周围炎。一旦患者在探探处出血,且探探深度大于5mm,并且骨丢失严重,超出了骨重塑的预期,则需要进行手术干预。访问皮瓣需要全层提升粘骨膜,便于通过手器械、超声尖端或激光对种植体表面进行清创和去污。必要时,外科手术可与机械装置(如高压空气粉末磨损或激光)对种植体表面进行解毒。
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引用次数: 3
期刊
Dentistry (Sunnyvale, Calif.)
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