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Oral dental implants

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https://www.readbyqxmd.com/read/28076651/controlled-release-of-chlorhexidine-from-a-mesoporous-silica-containing-macroporous-titanium-dental-implant-prevents-microbial-biofilm-formation
#1
K De Cremer, A Braem, E Gerits, K De Brucker, K Vandamme, J A Martens, J Michiels, J Vleugels, B P Cammue, K Thevissen
Roughened surfaces are increasingly being used for dental implant applications as the enlarged contact area improves bone cell anchorage, thereby facilitating osseointegration. However, the additional surface area also entails a higher risk for the development of biofilm associated infections, an etiologic factor for many dental ailments, including peri-implantitis. To overcome this problem, we designed a dental implant composed of a porous titanium-silica (Ti/SiO2) composite material and containing an internal reservoir that can be loaded with antimicrobial compounds...
January 11, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28072999/-features-and-advances-of-morse-taper-connection-in-oral-implant
#2
C L Tang, S K Zhao, C Huang
Dental implants have been widely accepted as a predictable and reliable tool for dental reconstruction with the development of the economy. The design of implant-abutment connections has influence on mechanical properties and biological characteristics of implants. There are two types of implant-abutment connections, the external and the internal connections. Morse taper connection is one of the internal connections and its conical shape creates significant friction via the high propensity of parallelism between the two structures within the joint space...
January 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28045197/oral-health-improvements-in-switzerland-over-20-years
#3
Cornelia Schneider, Elisabeth Zemp, Nicola U Zitzmann
While the time trends in oral health are favourable, differences still persist in dental status and in prosthetic dental restorations (PDR) between population subgroups. This study aimed to identify changes in oral health in Switzerland over two decades and to describe their relationship to sociodemographic factors in 2012. Swiss Health Surveys were conducted in 1992, 2002, and 2012. The mean number of missing teeth and the prevalence of PDR were calculated at each time point. Logistic regression analysis was performed to assess associations between the prevalence of PDR and sociodemographic factors...
January 3, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28042278/restorative-rehabilitation-in-a-patient-with-sports-trauma
#4
Haroon Rashid, Fahim Vohra, Graeme R Lillywhite
Sports trauma frequently involves insult to oral soft and hard tissues resulting in loss of tooth structure and tooth loss. Multiple sporting equipment's are employed to prevent irreversible damage to oro-facial structures, and to reduce the overall cost of treatment. However in the undesired consequence of loss of oral structures, multiple treatment options are utilized to restore, esthetics, comfort and function. Osseointegrated implant supported rehabilitation of oral structures in trauma cases provides highly predictable treatment outcomes along with preservation of remaining tissues...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28033066/clinical-immune-and-microbiome-traits-of-gingivitis-and-peri-implant-mucositis
#5
G P Schincaglia, B Y Hong, A Rosania, J Barasz, A Thompson, T Sobue, F Panagakos, J A Burleson, A Dongari-Bagtzoglou, P I Diaz
Tissues surrounding dental implants and teeth develop clinical inflammation in response to microbial stimuli. However, the literature suggests that differences exist in the microbial insult and inflammatory responses leading to gingivitis and peri-implant mucositis. In this pilot study, the authors use for the first time a systems biology approach to comprehensively evaluate clinical parameters, selected inflammatory markers, and the microbiome of subject-matched tooth and implant sites during native inflammation and in response to experimental plaque accumulation...
January 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28005822/osteodistraction-with-dental-implant-borne-devices-for-bone-regeneration-in-atrophied-premaxilla
#6
Francesco Carlino, Gian Piero Villani, Andrea Berti, Giuseppe Pantaleo, Antonio Cortese, Pier Paolo Claudio
Aim of this work is to present the evolution of an innovative technique for tooth/implant supported bone distraction, leading to proper oral rehabilitation in patients with atrophic alveolar bone, even when a complete premaxilla expansion is needed, or in patients in whom implants were already present, but inserted in wrong position.Distraction osteogenesis was selected because of its moderate invasiveness, the few surgical steps needed, and the proper cost/benefits balance. This procedure is particularly suited for young patients with remarkable aesthetic demands related to active social and working life, as for elderly patients expecting lower surgical stress and risks...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005801/zygomatic-implant-subjected-to-immediate-loading-for-atrophic-maxilla-rehabilitation
#7
Pâmela Letícia Dos Santos, Gustavo Henrique Souza Silva, Fernanda Rayssa Da Silva Pereira, Raquel Damazia da Silva, Mirella Lindoso Gomes Campos, Thiago Borges Mattos, Jéssica Lemos Gulinelli
As life expectancy increases, a larger number of elderly people require dental health care attention for implant-supported rehabilitation, with the aim of restoring the function and aesthetics of the oral cavity. Most of these patients have lost their teeth long time ago, causing a severe bone resorption and maxillary sinus pneumatization. Therefore, the current study aims to demonstrate, through the description of the clinical case, the treatment with zygomatic implants as an option for treating severely atrophic maxillas...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28005762/jaw-in-a-day-state-of-the-art-in-maxillary-reconstruction
#8
Christopher M Runyan, Vishal Sharma, David A Staffenberg, Jamie P Levine, Lawrence E Brecht, Leonard H Wexler, David L Hirsch
BACKGROUND: Reconstruction of maxillary defects following tumor extirpation is challenging because of combined aesthetic and functional roles of the maxilla. One-stage reconstruction combining osseous free flaps with immediate osseointegrated implants are becoming the standard for mandibular defects, and have similar potential for maxillary reconstruction. METHODS: A woman with maxillary Ewing sarcoma successfully treated at age 9 with neoadjuvant chemotherapy, right hemimaxillectomy, and obturator prosthetic reconstruction presented for definitive reconstruction, complaining of poor obturator fit, and hypernasality...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28000282/coverage-of-mucosal-recessions-at-dental-implants
#9
REVIEW
Anton Sculean, Vivianne Chappuis, Raluca Cosgarea
Facial peri-implant mucosal recessions represent an increasing complication in implant dentistry and may negatively affect the esthetic outcome and patient satisfaction. The aim of the present paper is to provide a review on the potential causes of facial peri-implant mucosal recessions and to provide a rationale for treatment along with possible treatment options. The available data indicate that soft tissue augmentation around dental implants is possible, but at present there is no evidence demonstrating that the augmented soft tissues are able to influence the peri-implant bone levels (e...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000275/current-state-of-the-art-of-computer-guided-implant-surgery
#10
REVIEW
Jan D'haese, Johan Ackhurst, Daniel Wismeijer, Hugo De Bruyn, Ali Tahmaseb
The invention of computerized axial tomography (now known as computerized tomography) and developments of interactive software to allow virtual planning, with the aim to guide the surgery precisely toward a specific target, has dramatically improved general, as well as oral, surgery. Virtual dental implant planning allows for a prosthetically driven approach, resulting in the best possible design of the prosthesis, better esthetics, optimized occlusion and loading. This approach has also changed the surgical paradigm of using extensive flaps to obtain a proper view of the surgical area because flapless implant surgery, with or without immediate loading, has become more predictable...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000273/evolution-of-loading-protocols-in-implant-dentistry-for-partially-dentate-arches
#11
REVIEW
Dean Morton, Adrien Pollini
Better outcomes for patients receiving dental implants as part of oral rehabilitation remains a constant goal. Advances in implant design, clinical protocols and biomaterials provide opportunities to accelerate treatment, increasing efficiency, predictability and patient satisfaction. It is important to understand that these changes can result in negative outcomes and increased risk. This article reviews the existing published evidence relating to accelerated clinical protocols and patient outcomes. Subsequent to the review, clinical recommendations are offered...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000268/implants-for-elderly-patients
#12
REVIEW
Martin Schimmel, Frauke Müller, Valérie Suter, Daniel Buser
In the developed world, the large birth cohorts of the so-called baby boomer generation have arrived in medical and dental practices. Often, elderly patients are 'young-old' baby boomers in whom partial edentulism is the predominant indication for implant therapy. However, the generation 85+ years of age represents a new challenge for the dental profession, as their lives are frequently dominated by dependency, multimorbidity and frailty. In geriatric implant dentistry, treatment planning is highly individualized, as interindividual differences become more pronounced with age...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000266/zirconia-dental-implants-where-are-we-now-and-where-are-we-heading
#13
REVIEW
Norbert Cionca, Dena Hashim, Andrea Mombelli
Despite decades of titanium as the gold standard in oral implantology, the search for alternatives has been growing. High esthetic standards and increasing incidence of titanium allergies, along with a rising demand for metal-free reconstructions, have led to the proposal of ceramics as potential surrogates. Following numerous experimental studies, zirconium dioxide (zirconia) has earned its place as a potential substitute for titanium in implantology. Yet, despite zirconia's excellent biocompatibility and tissue integration, low affinity to plaque and favorable biomechanical properties, early failures were significantly higher for zirconia implants than for titanium implants...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/27995123/evaluation-of-clinical-outcomes-of-implants-placed-into-the-maxillary-sinus-with-a-perforated-sinus-membrane-a-retrospective-study
#14
Gwang-Seok Kim, Jae-Wang Lee, Jong-Hyon Chong, Jeong Joon Han, Seunggon Jung, Min-Suk Kook, Hong-Ju Park, Sun-Youl Ryu, Hee-Kyun Oh
BACKGROUND: The aim of this study was to evaluate the clinical outcomes of implants that were placed within the maxillary sinus that has a perforated sinus membrane by the lateral window approach. METHODS: We examined the medical records of the patients who had implants placed within the maxillary sinus that has a perforated sinus membrane by the lateral approach at the Department of Oral and Maxillofacial Surgery of Chonnam National University Dental Hospital from January 2009 to December 2015...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27978808/molecular-cellular-and-pharmaceutical-aspects-of-biomaterials-in-dentistry-and-oral-and-maxillofacial-surgery-an-internationalization-of-higher-education-and-research-perspective
#15
Lidia M Wisniewska, David M Dohan Ehrenfest, Pablo Galindo-Moreno, Jesús Domingo Segovia, Francesco Inchingolo, Hom-Lay Wang, Manuel Fernándes-Cruz
In dentistry and oral and maxillofacial surgery, the development of implantable biomaterials and the understanding of their molecular, cellular and pharmaceutical aspects are currently major fields of research and education, with a considerable impact on the daily clinical practice and the evolution of therapeutic strategies. In the era of globalized economy of knowledge and science, this scientific domain needs the development of global cooperation and a paradigm evolution in the organizational culture of the dental sciences and related dental industry...
December 13, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27968706/radiopacity-of-alloplastic-bone-grafts-measured-with-cone-beam-computed-tomography-an-analysis-in-rabbit-calvaria
#16
Cristina Bucchi, Eduardo Borie, Alain Arias, Fernando José Dias, Ramón Fuentes
Availability of adequate bone structure for dental implants is still a problem in dentistry. Alloplastic grafts, which promote bone regeneration, are used as bone substitutes in orthopedic and oral surgical procedures. The aim of this study was to evaluate the radiopacity of three different synthetic bone grafts in rabbit calvaria, over 3 months, using cone beam computed tomography (CBCT). Four critical-size defects were made on the calvaria of 11 rabbits. The lesions were classified into three groups according to the alloplastic grafts they received: Osteon® 70/30, Osteon collagen®, and Osteon II® groups...
November 22, 2016: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27957285/dental-implants-after-the-use-of-bichat-s-buccal-fat-pad-for-the-sealing-of-oro-antral-communications-a-case-report-and-literature-review
#17
Cosimo Galletti, Giovanni Cammaroto, Francesco Galletti, Octavi Camps-Font, Cosme Gay-Escoda, José-Javier Bara-Casaus
Oro-antral communications are frequent complications in oral surgery, and generally occur after molar extractions, maxillary sinus elevations or dental implant procedures. The presence of these defects may increase the morbidity and often need a surgical approach. The present report describes an oro-antral communication in a 52-year-old female who presented a 2 week-course of painless nasal obstruction and rhinorrea after a right maxillary sinus floor elevationwith simultaneous dental implant placement. Based on the anamnesis, clinical examination and a computed tomographyof the paranasal sinuses, a diagnosis of odontogenic rhinosinusitis associated with a 1...
December 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27941125/histatin-1-enhances-cell-adhesion-to-titanium-in-an-implant-integration-model
#18
I A van Dijk, A F Beker, W Jellema, K Nazmi, G Wu, D Wismeijer, P M Krawczyk, J G M Bolscher, E C I Veerman, J Stap
Cellular adhesion is essential for successful integration of dental implants. Rapid soft tissue integration is important to create a seal around the implant and prevent infections, which commonly cause implant failure and can result in bone loss. In addition, soft tissue management is important to obtain good dental aesthetics. We previously demonstrated that the salivary peptide histatin 1 (Hst1) causes a more than 2-fold increase in the ability of human adherent cells to attach and spread on a glass surface...
December 1, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27939958/the-impact-of-antimicrobial-photodynamic-therapy-on-peri-implant-disease-what-mechanisms-are-involved-in-this-novel-treatment
#19
REVIEW
Lívia Jacovassi Tavares, Ana Claudia Pavarina, Carlos Eduardo Vergani, Erica Dorigatti de Avila
According to the American Academy of Implant Dentistry, 3 million Americans have dental implants, and this number is growing by 500,000 each year. Proportionally, the number of biological complications is also increasing. Among them, peri-implant disease is considered the most common cause of implant loss after osseointegration. In this context, microorganisms residing on the surfaces of implants and their prosthetic components are considered to be the primary etiologic factor for peri-implantitis. Some research groups have proposed combining surgical and non-surgical therapies with systemic antibiotics...
December 6, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27935091/fabrication-of-complete-dentures-in-three-visits-using-existing-prosthesis-a-simplified-technique-for-geriatric-patients
#20
Rahul S Kulkarni, Ravindra S Pawar
Complete edentulism often limits patients' ability to masticate and perform other oral functions, resulting in a reduction of oral-health-related quality of life. Although the two-implant mandibular overdenture may be considered as a minimum standard of treatment of complete edentulism, patients often prefer conventional complete dentures due to cost and surgical procedures related to implant supported dentures. Many complete denture patients may have limited access to dental care due to socioeconomic or health issues, hence there is a need in simplification of complete denture fabrication...
December 9, 2016: Special Care in Dentistry
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