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Endosseous implant

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https://www.readbyqxmd.com/read/29728889/comparative-evaluation-of-soft-and-hard-tissue-changes-following-endosseous-implant-placement-using-flap-and-flapless-techniques-in-the-posterior-edentulous-areas-of-the-mandible-a-randomized-controlled-trial
#1
Divya Kumar, G Sivaram, B Shivakumar, Tss Kumar
BACKGROUND: Dental implant-supported restorations have long been used as a successful modality for replacing missing teeth. There are two well-established methods of implant placement. The traditional approach to implant surgery involves raising a mucoperiosteal flap and the alternative approach does not involve reflecting a flap, each having its own advantages and disadvantages. The purpose of the present study was to compare and evaluate the soft and hard tissue changes around endosseous implants placed using flap and flapless surgery in mandibular posterior edentulous sites over a period of time...
May 5, 2018: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29723421/oral-rehabilitation-of-the-cancer-patient-a-formidable-challenge
#2
Ivana Petrovic, Evan B Rosen, Evan Matros, Joseph M Huryn, Jatin P Shah
Rehabilitation of oral functions following surgery on the jaws is a goal that is often difficult to achieve. Removable dentures supported by remaining teeth or gum are often unstable and seldom satisfactory. On the other hand, endosseous (dental) implants offer a mechanism to provide stability to the dentures. This review, discusses factors related to the tumor, patient, treatment, and physicians which impact upon the feasibility and success of dental implants in patients with oral cancer.
May 3, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29679720/enhancement-of-peri-implant-bone-osteogenic-activity-induced-by-a-peptidomimetic-functionalization-of-titanium
#3
F Ravanetti, F Gazza, D D'Arrigo, G Graiani, A Zamuner, M Zedda, E Manfredi, M Dettin, A Cacchioli
Osteoblast cell adhesion to the extracellular matrix is established through two main pathways: one is mediated by the binding between integrin and a minimal adhesion sequence (RGD) on the extracellular protein, the other is based on the interactions between transmembrane proteoglycans and heparin-binding sequences found in many matrix proteins. The aim of this study is the evaluation in an in vivo endosseous implant model of the early osteogenic response of the peri-implant bone to a biomimetic titanium surface functionalized with the retro-inverso 2DHVP peptide, an analogue of Vitronectin heparin binding site...
April 18, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29655407/periodontal-prosthesis-in-contemporary-dentistry
#4
REVIEW
Chiun-Lin Steven Liu
In the last 5 decades, the developments of osseointegrated titanium implants (since 1965) have led to the success of contemporary dentistry. Endosseous implant-supported restorations delivered in accordance with the traditional Branemark protocol have proven to be highly predictable. Today, implants are becoming increasingly common in dental care and provide more therapeutic options, but treatment planning and the sequencing of therapy are critical in implant-assisted and implant-supported cases. Implant prostheses give patients and dentists more options in treatment planning, but also present challenging decisions regarding implant surgery...
April 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29525811/-dissertations-25-years-after-date-49-a-biomechanical-analysis-of-bone-around-dental-implants-in-an-edentulous-mandible
#5
H J A Meijer
Changes in the bone around permucosal endosseous implants can be caused by biomechanical factors. Computer models are used to calculate the location and magnitude of stresses in the bone. The finite element method is used for the construction and calculation of models. The ongoing development of software and hardware 25 years ago made it possible to construct more complex 3-dimensional models. The general aim of the dissertation was to develop a state-of-the-art computer model of an edentulous mandible with dental implants and then to calculate the influence of a number of parameters on the location and magnitude of stresses in the bone...
March 2018: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/29425718/effect-of-strontium-surface-functionalized-implants-on-early-and-late-osseointegration-a-histological-spectrometric-and-tomographic-evaluation
#6
Vincent Offermanns, Ole Z Andersen, Gregor Riede, Michael Sillassen, Christian S Jeppesen, Klaus P Almtoft, Heribert Talasz, Caroline Öhman-Mägi, Bernd Lethaus, Rene Tolba, Frank Kloss, Morten Foss
Numerous in vivo, in vitro and clinical studies report on beneficial effects of strontium with respect to increased bone growth. Based on this knowledge the aim of this study was to evaluate early and late osseointegration stages of functionalized titanium implants showing sustained release of strontium (Sr) and further investigate its potential systemic effect. Strontium functionalized (Ti-Sr-O) and Grade 4 (Control) titanium implants were inserted in the femoral condyle of New Zealand White rabbits. The Ti-Sr-O coating was characterized using Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectrometry (EDX) for structure, coating thickness and chemical composition...
March 15, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29422994/effect-of-low-intensity-pulsed-ultrasound-on-the-biological-behaviors-of-bone-marrow-mesenchymal-stem-cells-on-titanium-with-different-surface-topographies
#7
Yanxin An, Yan Song, Zhaoling Wang, Jing Wang, Gaoyi Wu, Guoxiong Zhu, Lei Chen
The use of low-intensity pulsed ultrasound (LIPUS) is a promising approach to promote osteogenesis. However, few studies have reported the influence of this technique on the osseointegration of endosseous implants, especially regarding different implant topographies. We focused on how the initial interaction between cells and the titanium surface is enhanced by LIPUS and the potential regulatory mechanisms. The bone marrow mesenchymal stem cells (BMSCs) of rats were cultured on two types of titanium surfaces (polished surface, Flat and large grain blast acid etched, SLA) under LIPUS stimulation or control conditions...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29340346/effects-of-local-drug-and-chemical-compound-delivery-on-bone-regeneration-around-dental-implants-in-animal-models-a-systematic-review-and-meta-analysis
#8
Ali Alenezi, Bruno Chrcanovic, Ann Wennerberg
PURPOSE: One of the suggested methods for enhancing osseointegration is the local application of drug agents around implant surfaces. The aim of this review was to evaluate the methods most commonly used for local drug and chemical compound delivery to implant sites and assess their influence on osseointegration. MATERIALS AND METHODS: An electronic search was undertaken in three databases (PubMed, Scopus, Embase). The search was limited to animal experiments using endosseous implants combined with local drug delivery systems...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29259343/simple-3-4-dihydroxy-l-phenylalanine-surface-modification-enhances-titanium-implant-osseointegration-in-ovariectomized-rats
#9
Ting Ma, Xi-Yuan Ge, Ke-Yi Hao, Bi-Ru Zhang, Xi Jiang, Ye Lin, Yu Zhang
Osteoporosis presents a challenge to the long-term success of osseointegration of endosseous implants. The bio-inspired 3,4-dihydroxy-L-phenylalanine (Dopa) coating is widely used as a basic layer to bind osteogenetic molecules that may improve osseointegration. To date, little attention has focused on application of Dopa alone or binding inhibitors of bone resorption in osteoporosis. Local use of a bisphosphonate such as zoledronic acid (ZA), an inhibitor of osteoclast-mediated bone resorption, has been proven to improve implant osseointegration...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29250668/osseointegration-of-chemically-modified-sandblasted-and-acid-etched-titanium-implant-surface-in-diabetic-rats-a-histological-and-scanning-electron-microscopy-study
#10
Alexandru NemŢoi, Violeta Trandafir, Aurelian Sorin Paşca, Eusebiu Viorel Şindilar, Eliza Drăgan, Guillaume Anthony Odri, Ana NemŢoi, Danisia Haba, Elena Şapte
INTRODUCTION: The aim of this study is to assess the osseointegration of different dental implants surfaces in diabetic rats. MATERIALS AND METHODS: In this study, were used 56 male Wistar rats, average weight of 300-350 g. Diabetes was induced by a single intraperitoneal injection of Streptozotocin. The glucose levels and weight of rats were periodically evaluated. After the diabetes mellitus is confirmed, the sandblasted, large-grit, acid-etched (SLA) and SLActive endosseous dental implants (TAG dental implants, TAG Medical, Israel), made of titanium alloy, Ti-6Al-4V, 1 mm diameter and 3 mm in length were inserted in the distal metaphysis of the left femur...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29249886/the-use-of-cone-beam-computed-tomography-and-three-dimensional-printing-technology-in-the-restoration-of-a-maxillectomy-patient-using-a-dental-implant-retained-obturator
#11
George Michelinakis
This case report presents an alternative method for fabricating an obturator for patients that develop xerostomia and mild trismus following radiation to the Head and Neck region. Multiple initial impression stages are avoided leading to less irritation to soft tissues and less discomfort to the patient. A 69-year-old male patient was referred to our dental practice by the Maxillofacial Surgery Department of the local General Hospital. The patient had undergone a right maxillectomy for removal of a Squamous Cell Carcinoma 2 weeks prior...
October 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29170171/dental-implants-in-a-patient-with-suspected-leucocyte-adhesion-deficiency
#12
Ashraf Abu Karaky, Faleh Sawair, Zaid Tamimi, Yazan Hassona
Aggressive periodontitis and premature tooth loss in leucocyte adhesion deficiency (LAD) have adverse functional and psychological consequences on affected individuals. Dental implant rehabilitation might become necessary to overcome the functional and psychological adverse effects of LAD periodontitis, especially in patients with milder forms who are expected to have a relatively normal life expectancy. Outcome of dental implants in patients with LAD has not been previously reported; we describe the dental rehabilitation of a 24-year-old man with clinical features of LAD using endosseous dental implants...
November 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29149204/evaluation-of-osseous-integration-of-titanium-orthopedic-screws-with-novel-sla-treatment-in-porcine-model
#13
Tzu-Hsiang Lin, Hsin-Tai Hu, Hsueh-Chun Wang, Meng-Chian Wu, Shu-Wei Wu, Ming-Long Yeh
The success of many endosseous implants in orthopaedic and dental applications depends on the surface characteristics, as they affect osseous integration. Previous investigations indicated that a novel large-grit sand-blasted and acid-etched (SLA) titanium (denoted as SLAffinity-Ti) implant had better bone integration than that of a comparably shaped implant with a plasma-sprayed titanium surface. The purpose of the present investigation was to create a SLAffinity surface on pedicle screws and trauma screws and to compare it with the surfaces of a sand-blasted-only implant and commercial implants in terms of bone integration...
2017: PloS One
https://www.readbyqxmd.com/read/29144982/bone-mesenchymal-stem-cell-secretion-of-srankl-opg-m-csf-in-response-to-macrophage-mediated-inflammatory-response-influences-osteogenesis-on-nanostructured-ti-surfaces
#14
Qian-Li Ma, Liang Fang, Nan Jiang, Liang Zhang, Ying Wang, Yu-Mei Zhang, Li-Hua Chen
Although it has been well established that osteogenic differentiation of bone mesenchymal stem cells (bMSCs) as well as osteoclastic differentiation of macrophages can be manipulated by the nanostructure of biomaterial surfaces, the interactions among the effects of the surface on immune cells and bMSCs remained unknown. Therefore, in this study, the osteogenic behaviors and secretion of osteoclastogenesis-related cytokines of human bMSCs on TiO2 nanotubular (NT) surfaces in conditioned medium (CM) generated by macrophages cultured on the respective NT surfaces (NT-CM) were analyzed...
February 2018: Biomaterials
https://www.readbyqxmd.com/read/29140387/full-mouth-rehabilitation-with-calvarium-bone-grafts-and-dental-implants-for-a-papillon-lef%C3%A3-vre-syndrome-patient-case-report
#15
Bassam M Kinaia, Kristyn Hope, Ahmed Zuhaili, Jean Francois Tulasne
Papillon-Lefèvre syndrome (PLS) is a rare autosomal recessive disorder of keratinization associated with palmoplantar keratoderma and severe periodontitis resulting in complete edentulism in late adolescence. The pathognomonic dental features of PLS are pathologic migration, hypermobility, and exfoliation of the teeth without any signs of root resorption. It has been suggested that an effective way to treat PLS patients presenting early in the disease progression is extraction of the erupted primary dentition or hopeless permanent teeth followed by antibiotic coverage with periodontal therapy for the remaining teeth...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140386/retrospective-study-of-survival-of-extraoral-endosseous-craniofacial-implants-in-head-and-neck-surgery-patients
#16
Brent J Woods, Arun Chandu
PURPOSE: To determine the survival rate of implants placed in different craniofacial locations and factors affecting survival. MATERIALS AND METHODS: This study retrospectively reviewed a consecutive series of patients treated at the Royal Melbourne Hospital who received craniofacial implants for an array of benign and malignant conditions. Implant survival per site and cumulative survival were determined. Surgical and implant variables were assessed using the Kaplan-Meier and Cox Proportional Hazards Models...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29137166/antimicrobial-and-osseointegration-properties-of-nanostructured-titanium-orthopaedic-implants
#17
REVIEW
Marcus Jäger, Herbert P Jennissen, Florian Dittrich, Alfons Fischer, Hedda Luise Köhling
The surface design of titanium implants influences not only the local biological reactions but also affects at least the clinical result in orthopaedic application. During the last decades, strong efforts have been made to improve osteointegration and prevent bacterial adhesion to these surfaces. Following the rule of "smaller, faster, cheaper", nanotechnology has encountered clinical application. It is evident that the hierarchical implant surface micro- and nanotopography orchestrate the biological cascades of early peri-implant endosseous healing or implant loosening...
November 13, 2017: Materials
https://www.readbyqxmd.com/read/29130804/is-metal-particle-release-associated-with-peri-implant-bone-destruction-an-emerging-concept
#18
T Fretwurst, K Nelson, D P Tarnow, H-L Wang, W V Giannobile
Peri-implant diseases affecting the surrounding structures of endosseous dental implants include peri-implant mucositis and peri-implantitis. The prevalence of peri-implantitis ranges between 15% and 20% after 10 y, highlighting the major challenge in clinical practice in the rehabilitation of dental implant patients. The widespread nature of peri-implant bone loss poses difficulties in the management of biological complications affecting the long-term success of osseointegrated implant reconstructions. Metal and titanium particles have been detected in peri-implant supporting tissues...
March 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29029850/surface-characteristics-of-dental-implants-a-review
#19
REVIEW
F Rupp, L Liang, J Geis-Gerstorfer, L Scheideler, F Hüttig
OBJECTIVES: During the last decades, several changes of paradigm have modified our view on how biomaterials' surface characteristics influence the bioresponse. After becoming aware of the role of a certain microroughness for improved cellular contact and osseointegration of dental titanium implants, the likewise important role of surface energy and wettability was increasingly strengthened. Very recently, synergistic effects of nanoscaled topographical features and hydrophilicity at the implant/bone interface have been reported...
January 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28962664/a-new-concept-for-implant-borne-dental-rehabilitation-how-to-overcome-the-biological-weak-spot-of-conventional-dental-implants
#20
Nils-Claudius Gellrich, Björn Rahlf, Rüdiger Zimmerer, Philipp-Cornelius Pott, Majeed Rana
BACKGROUND: Every endosseous dental implant is dependent on an adequate amount and quality of peri-implant hard and soft tissues and their fully functional interaction. The dental implant could fail in cases of insufficient bone and soft tissues or due to a violation of the soft to hard tissues to implant shoulder interface with arising of a secondary bone loss. METHOD: To overcome this biological weak-spot, we designed a new implant that allows for multi vector endosseous anchorage around the individual underlying bone, which has to be scanned by computed tomography (CT) or Cone beam CT (CBCT) technique to allow for planning the implant...
September 29, 2017: Head & Face Medicine
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