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Implant Dentistry

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https://www.readbyqxmd.com/read/29770323/dental-mesenchymal-stem-cell-based-translational-regenerative-dentistry-from-artificial-to-biological-replacement
#1
REVIEW
Mona K Marei, Rania M El Backly
Dentistry is a continuously changing field that has witnessed much advancement in the past century. Prosthodontics is that branch of dentistry that deals with replacing missing teeth using either fixed or removable appliances in an attempt to simulate natural tooth function. Although such "replacement therapies" appear to be easy and economic they fall short of ever coming close to their natural counterparts. Complications that arise often lead to failures and frequent repairs of such devices which seldom allow true physiological function of dental and oral-maxillofacial tissues...
2018: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29764458/cone-beam-computed-tomography-in-implant-dentistry-recommendations-for-clinical-use
#2
Reinhilde Jacobs, Benjamin Salmon, Marina Codari, Bassam Hassan, Michael M Bornstein
BACKGROUND: In implant dentistry, three-dimensional (3D) imaging can be realised by dental cone beam computed tomography (CBCT), offering volumetric data on jaw bones and teeth with relatively low radiation doses and costs. The latter may explain why the market has been steadily growing since the first dental CBCT system appeared two decades ago. More than 85 different CBCT devices are currently available and this exponential growth has created a gap between scientific evidence and existing CBCT machines...
May 15, 2018: BMC Oral Health
https://www.readbyqxmd.com/read/29764301/bioinspired-biocompatible-and-peptide-decorated-silk-fibroin-coatings-for-enhanced-osteogenesis-of-bioinert-implant
#3
Chunyan Wang, Shengnan Wang, Yuanyi Yang, Zhuo Jiang, Yi Deng, Shaoli Song, Weizhong Yang, Zhi-Gang Chen
In this study, we develop an osteopromotive polyetheretherketone (PEEK) implant decorated with silk fibroin and bone forming peptide, in which the surface of bioinert PEEK implant is firstly sulfonated to form a three-dimensional, porous topography and then is functionalized with silk fibroin via spin-coating process and peptide decoration. The bio-test results show that cells on the functional bioinert implants exhibit better cell adhesion, proliferation and spreading, when compared with the uncoated ones...
May 15, 2018: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29763495/early-response-of-fibroblasts-and-epithelial-cells-to-pink-shaded-anodized-dental-implant-abutments-an-in-vitro-study
#4
Federico Mussano, Tullio Genova, Marco Laurenti, Elisa Zicola, Luca Munaron, Paola Rivolo, Pietro Mandracci, Stefano Carossa
PURPOSE: This research aimed to assess whether pink-shaded anodized surfaces could enhance the adhesion of soft tissue cells compared with untreated machined titanium surfaces. MATERIALS AND METHODS: Two types of Ti-Al-V titanium samples were prepared: machined titanium (Ti) and anodized titanium (AnoTi). The microstructure was studied by means of a scanning electron microscope. X-ray photoelectron spectroscopy (XPS) was carried out as well. The wetting properties were investigated by the sessile drop technique with water and diiodomethane...
May 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29760723/applications-of-mesenchymal-stem-cells-in-sinus-lift-augmentation-as-a-dental-implant-technology
#5
REVIEW
Feridoun Parnia, Javad Yazdani, Solmaz Maleki Dizaj
The potential application of stem cell biology in human dentistry is a new and emerging field of research. The objective of the current review was to study the efficiency of mesenchymal stem cells (MSCs) in sinus lift augmentation (SLA). A literature review was performed in PubMed Central using MeSH keywords such as sinus lift, MSCs, dental implants, and augmentation. The searches involved full-text papers written in English, published in the past 10 years (2007-2017). The review included in vitro and in vivo studies on the use of MSCs in SLA...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29757470/sinus-augmentation-using-rhbmp-2-acs-in-a-mini-pig-model-influence-of-an-adjunctive-ceramic-bone-biomaterial
#6
Cristiano Susin, Jaebum Lee, Tiago Fiorini, Rubens Moreno de Freitas, Hsien-Chung Chiu, Hari S Prasad, Amanda N Buxton, Ulf Me Wikesjö
BACKGROUND: Recombinant human bone morphogenetic protein-2 in an absorbable collagen sponge carrier (rhBMP-2/ACS) has been shown to support significant bone formation when used to augment the maxillary sinus for implant dentistry. Nevertheless, bone biomaterials have been suggested to extend rhBMP-2/ACS with limited support of the merits of such approaches. OBJECTIVES: To evaluate local bone formation/dental implant osseointegration following implantation of rhBMP-2/ACS combined with a ceramic bone biomaterial using a mini-pig sinus augmentation model...
May 14, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29750104/agenesis-of-all-permanent-maxillary-incisors-a-rare-clinical-case-with-an-interdisciplinary-solution
#7
Fernando-Cesar Torres, Claudio-Fróes de Freitas, Diego-Vianez Pereira, Tarcila Triviño, Acácio Fuziy, Fernando-Akio Maeda
Background: Clinical cases involving agenesis of all four maxillary incisors are rare, with no previous reports in the literature. Case report: The present case report describes an orthodontic treatment combined with esthetic dentistry in a 10-year-old girl with agenesis of all four permanent maxillary incisors, anterior crossbite, permanence of deciduous maxillary canines and transmigration of permanent maxillary canines into the region of the maxillary central incisors...
April 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29744496/a-review-of-nanostructured-surfaces-and-materials-for-dental-implants-surface-coating-patterning-and-functionalization-for-improved-performance
#8
REVIEW
Rahimeh Rasouli, Ahmed Barhoum, Hasan Uludag
The emerging field of nanostructured implants has enormous scope in the areas of medical science and dental implants. Surface nanofeatures provide significant potential solutions to medical problems by the introduction of better biomaterials, improved implant design, and surface engineering techniques such as coating, patterning, functionalization and molecular grafting at the nanoscale. This review is of an interdisciplinary nature, addressing the history and development of dental implants and the emerging area of nanotechnology in dental implants...
May 10, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29728548/qualitative-assessment-of-reliability-of-cone-beam-computed-tomography-in-evaluating-bone-density-at-posterior-mandibular-implant-site
#9
Kirti Dahiya, Narendra Kumar, Pankaj Bajaj, Avdesh Sharma, Rohan Sikka, Sagar Dahiya
Introduction: The success of dental implants depends primarily on the primary implant stability and the bone density so that predictable osseointegration can be achieved. To achieve the desired results, systematic preoperative planning for implant placement is required. The sole aim of the study was to assess the reliability of preoperative bone density of mandibular posterior region for implant placement using computerized tomography-derived bone densities in Hounsfield units (HU). Materials and methods: A total of 200 patients with 352 implant sites between 2014 and 2017 were assessed for the posterior mandibular area using cone-beam computed tomography (CBCT)...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29717909/a-technique-of-cbct-superimposition-in-implant-dentistry
#10
Leonardo Koerich, André Weissheimer, Lindsey Eidson Koerich, Diandra Luz, Janina Golob Deeb
An abstract is not required.
May 2, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29715448/evaluation-of-staff-satisfaction-after-implementation-of-a-surgical-safety-checklist-in-the-ambulatory-of-an-oral-and-maxillofacial-surgery-department-and-its-impact-on-patient-safety
#11
Christian Martin Schmitt, Mayte Buchbender, Saida Musazada, Bastian Bergauer, Friedrich-Wilhelm Neukam
PURPOSE: Safety checklists in medicine have been shown to be effective in the prevention of complications and adverse events in patients undergoing surgery. Such checklists are not as common in dentistry. The aims of this study were to propose a safety checklist for the ambulatory treatment of patients undergoing oral and implant surgery and to assess its impact on patient safety and staff satisfaction. MATERIALS AND METHODS: After implementation of a surgical safety checklist in the ambulatory treatment of patients undergoing oral and implant surgeries, a questionnaire regarding staff satisfaction and safety-related parameters was randomly administered...
April 6, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29714497/ridge-augmentation-simultaneous-with-immediate-implant-placement-the-subperiosteal-tunneling-technique
#12
Barry P Levin, Stephen J Chu
The efficacy of immediate implant placement has made it an appealing treatment modality in dentistry. Over the past several decades various surgical techniques to minimize the ridge collapse and other adverse changes that occur after tooth extraction have been advocated. This case series proposes a method of soft-tissue augmentation when multiple implants are being immediately placed. The authors describe a subperiosteal tunneling technique that achieves the dual purpose of graft containment/guided bone regeneration and soft-tissue augmentation around maxillary anterior implants...
May 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29714496/prosthetically-driven-computer-guided-implant-placement-and-restoration-using-cerec-a-case-report
#13
David Dano, Monica Stiteler, Russell Giordano
Developments in 3-dimentional (3D) diagnostic technology and advanced digital optical imaging have improved the predictability, safety, and efficiency of restoratively driven implant dentistry. Surgical procedures may now be performed in a single visit utilizing chairside, computer-aided design/computer-aided manufacturing technology and in situations when a two-stage implant protocol is indicated as demonstrated in this case. The CEREC® GALILEOS® integration workflow system was used to prosthetically plan and place an implant in the lower right mandibular first molar site, No...
May 2018: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/29707613/an-overview-of-development-and-status-of-fiber-reinforced-composites-as-dental-and-medical-biomaterials
#14
REVIEW
Pekka K Vallittu
Fibr-reinforced composites (FRC) have been used successfully for decades in many fields of science and engineering applications. Benefits of FRCs relate to physical properties of FRCs and versatile production methods, which can be utilized. Conventional hand lamination of prefabricated FRC prepregs is utilized still most commonly in fabrication of dental FRC devices but CAD-CAM systems are to be come for use in certain production steps of dental constructions and medical FRC implants. Although metals, ceramics and particulate filler resin composites have successfully been used as dental and medical biomaterials for decades, devices made out of these materials do not meet all clinical requirements...
2018: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/29703673/positional-accuracy-of-a-prosthetic-treatment-plan-incorporated-into-a-cone-beam-computed-tomography-scan-using-surface-scan-registration
#15
Faris Z Jamjoom, Do-Gyoon Kim, Edwin A McGlumphy, Damian J Lee, Burak Yilmaz
STATEMENT OF PROBLEM: The registration of surface scans onto cone-beam computed tomography (CBCT) scans has been proposed as a method of visualizing different anatomic structures and the prosthetic treatment plan simultaneously. This method also overcomes some of the problems associated with conventional radiographic templates. However, it has not been thoroughly investigated or validated for use in implant dentistry. PURPOSE: The purpose of this in vitro study was to evaluate the accuracy of a prosthetic treatment plan surface scan incorporated into a CBCT scan and to compare it to conventional radiographic templates for single tooth replacement...
April 24, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29696419/bleeding-related-to-dental-treatment-in-patients-taking-novel-oral-anticoagulants-noacs-a-retrospective-study
#16
Eun-Jung Kwak, Sangook Nam, Kyeong-Mee Park, Seo-Yul Kim, Jisun Huh, Wonse Park
OBJECTIVE: Several novel oral anticoagulants (NOACs) are currently prescribed for patients suffering from atrial fibrillation, pulmonary thromboembolism, and venous thrombosis. However, there is no clinical guideline for dental treatment in patients taking NOACs. This study investigated bleeding events related to various dental treatments. MATERIALS AND METHODS: This retrospective study included 120 patients (153 cases) who were prescribed NOACs and received dental procedures in the Department of Advanced General Dentistry at Yonsei University Dental Hospital from January 2014 to June 2017...
April 25, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29695118/effect-of-amelogenin-coating-of-a-nano-modified-titanium-surface-on-bioactivity
#17
Chisato Terada, Satoshi Komasa, Tetsuji Kusumoto, Takayoshi Kawazoe, Joji Okazaki
The interactions between implants and host tissues depend on several factors. In particular, a growing body of evidence has demonstrated that the surface texture of an implant influences the response of the surrounding cells. The purpose of this study is to develop new implant materials aiming at the regeneration of periodontal tissues as well as hard tissues by coating nano-modified titanium with amelogenin, which is one of the main proteins contained in Emdogain® . We confirmed by quartz crystal microbalance evaluation that amelogenin is easy to adsorb onto the nano-modified titanium surface as a coating...
April 24, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29687280/synthesis-characterization-antibacterial-activity-in-dark-and-in-vitro-cytocompatibility-of-ag-incorporated-tio-2-microspheres-with-high-specific-surface-area
#18
Shengxin Weng, Xu Zhao, Guomin Liu, Yuefeng Guan, Fanglong Wu, Yungang Luo
Postoperative infection associated with medical implants is a devastating complication of orthopedic surgery. Considering the difficulties for the diagnosis and treatment of infection, coating the implant material with antibacterial substances is a promising protocol by which to avoid such an adverse reaction. Nanoparticles (NPs) constructed of anatase microspheres, one form of titanium dioxide (TiO2 ), with a high specific surface area are fabricated in this study in a facile one-step process using homogeneous precipitation at 90 °C under atmospheric pressure using titanium sulfate (Ti[SO4 ]2 ) and urea as the titanium source and precipitant, respectively...
April 23, 2018: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29684777/random-spectrum-fatigue-performance-of-severely-plastically-deformed-titanium-for-implant-dentistry-applications
#19
D Rittel, K Shemtov-Yona, R Lapovok
Severe plastic deformation (SPD) has long been known to confer superior mechanical properties for many metals and alloys. In the general field of biomedical devices, and dental implants in particular, the superior strength of SPD-processed commercially pure (CP) titanium, that may surpass that of the stronger Ti6Al4V alloy, has been associated with a superior fatigue resistance. Such a property would make those materials both biocompatible and strong alternatives to the currently used titanium alloy. However, the fatigue characterization reported so far in the literature relies on a very small sample size, thereby precluding any meaningful statistical analysis...
April 14, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29683893/resonance-frequency-analysis-of-dental-implants-with-2-types-of-surface-treatment-submitted-to-immediate-loading-a-prospective-clinical-study
#20
Rafael Amorim Cavalcanti Siqueira, Ivete Aparecida de Mattias Sartori, Paulo Gustavo Freitas Santos, Márcio John Thiesen, Mylene Cassia Gonçalves, Flávia Noemy Gasparini Kiatake Fontão
BACKGROUND: Characteristics of the implant surface may benefit osseointegration, and the knowledge of this process in diverse clinical situations may play a role in implant dentistry practice. PURPOSE: The aim of the present study was to compare the stability of dental implants with different types of surface treatment. MATERIALS AND METHODS: Fifty-five implants were placed in the mandibles of 11 fully edentulous patients. Group 1 (G1) consisted of 27 implants with a hydrophilic surface...
April 20, 2018: Implant Dentistry
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