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https://www.readbyqxmd.com/read/28088307/in-office-fabrication-of-a-definitive-cast-and-duplication-of-an-interim-implant-supported-fixed-acrylic-resin-complete-denture
#1
Lambert J Stumpel
The information contained in an interim implant-supported fixed acrylic resin complete denture is a starting point for fabricating the definitive restoration. Duplicating this information in an expedient, precise, and sanitary fashion is desirable so that the interim restoration can be returned to the waiting patient. A technique is described to fabricate an accurate definitive polyvinyl siloxane cast with laboratory analogs bonded to a prepolymerized, dimensionally stable, composite resin baseplate. A screw-retained polyvinyl siloxane duplication of the interim denture is related to this cast...
January 11, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28081294/xenogeneic-bio-root-prompts-the-constructive-process-characterized-by-macrophage-phenotype-polarization-in-rodents-and-nonhuman-primates
#2
Hui Li, Jingjing Sun, Jie Li, Hefeng Yang, Xiangyou Luo, Jinlong Chen, Li Xie, Fangjun Huo, Tian Zhu, Weihua Guo, Weidong Tian
Tissue or organ regeneration using xenogeneic matrices is a promising approach to address the shortage of donor matrices for allotransplantation. Success of such approach has been demonstrated to correlate with macrophage-mediated fibrotic homeostasis and tissue remodeling. The previous studies have demonstrated that treated dentin matrix (TDM) could be a suitable bioactive substrate for allogeneic tooth root regeneration. This study constructed xenogeneic bioengineered tooth root (bio-root) via a combination of porcine TDM (pTDM) with allogeneic dental follicle cells (DFCs)...
January 12, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28072998/-immediate-restoration-of-dental-implant-using-computer-assisted-navigation-in-the-esthetic-zone-a-case-report
#3
Q Cai, W Y Meng, H Y Zhang, H L Wang, H Qi, Y M Zhou
No abstract text is available yet for this article.
January 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28068265/treatment-of-refractory-complete-edentulism-a-case-report
#4
Lajja Patel, Elizabeth A Clemente, James F Skiba
With the advent of osseointegrated dental implant therapy in the last few decades, complete edentulism of the mandible can be treated and restored predictably and successfully. However, due to medical and financial considerations, many patients cannot avail themselves of this therapy. This article presents a case report of such a patient treated with advanced yet traditional denture construction protocols. These conventional protocols should still be considered for addressing the needs of a patient with medical or financial restrictions...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28047321/tu-ab-bra-04-an-investigation-of-metal-artifact-effects-in-multi-modalities-development-of-mri-ct-heterogeneous-head-and-neck-phantom-for-mri-ct-registration
#5
M Lee, K Song, B Choe, T Suh
PURPOSE: The purpose of this investigation was to develop an CT-MR head and neck phantom which can investigate dose calculation differences between density-assigned MRI and CT, and to compare non-implant inserted registered MR-CT registered image with artifact reduced image of MR-CT registered image. It is to identify potential limitations related to dental implants of MR image and CT image and maximize the advantages to find interactive method to use registered image. METHODS: The phantom comprises half-circled shape which shaped to simulated the anatomical structures of a human head and neck...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045197/oral-health-improvements-in-switzerland-over-20-years
#6
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
#7
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/28008430/surgical-and-prosthetic-dental-rehabilitation-through-a-complete-digital-workflow-a-case-report
#8
Panagiotis Tsirogiannis, Sascha Pieger, Stavros Pelekanos, Stefanos Kourtis
Several aspects of digital dentistry have recently been improved, including new materials, navigated implant placement, digital impression in combination with virtual articulation, and the computer-aided processes of designing and manufacturing of prosthetic restorations. In this case report, the prosthodontic treatment of a patient through a complete digital workflow is presented. A 39-year-old male patient presented for restoration of missing teeth in the posterior maxilla and mandible. In a single-tooth narrow gap (region 15), a Straumann NNC implant was placed by computer-assisted planning and navigation...
2016: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28005801/zygomatic-implant-subjected-to-immediate-loading-for-atrophic-maxilla-rehabilitation
#9
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
#10
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/28003002/impact-of-different-implant-surfaces-topographies-on-peri-implant-tissues-an-update-of-current-available-data-on-dental-implants-retrieved-from-human-jaws
#11
Jamil Awad Shibli, Jefferson T Pires, Adriano Piattelli, Giovanna Iezzi, Carlo Mangano, Francesco Mangano, Sergio Luiz Scombati de Souza, Sergio A Gehrke, Hom-Lay Wang, David Dohan Ehrenfest
The high success range obtained with the implant-supported restorations has improved its applicability on routine of the daily clinical practice. This elevated percentage of success is related to the previous pre-clinical data obtained from animal and in vitro studies that evaluated the impact of implant surface topographies on bone tissue. However, the histologic evaluation of human bone tissue is scarce. Therefore, the aim of this review is to depict an actual panorama of the data available on bone-to-implant contact (BIC) of retrieved implants from human jaws...
December 21, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28000274/digital-technology-in-fixed-implant-prosthodontics
#12
REVIEW
Tim Joda, Marco Ferrari, German O Gallucci, Julia-Gabriela Wittneben, Urs Brägger
Digital protocols are increasingly influencing prosthodontic treatment concepts. Implant-supported single-unit and short-span reconstructions will benefit mostly from the present digital trends. In these protocols, monolithic implant crowns connected to prefabricated titanium abutments, which are created based on data obtained from an intraoral scan followed by virtual design and production, without the need of a physical master cast, have to be considered in lieu of conventional manufacturing techniques for posterior implant restorations...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/28000268/implants-for-elderly-patients
#13
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/27999789/marginal-bone-level-evaluation-after-functional-loading-around-two-different-dental-implant-designs
#14
Ko-Ning Ho, Eisner Salamanca, Hsi-Kuai Lin, Sheng-Yang Lee, Wei-Jen Chang
Purpose. To investigate peri-implant alveolar bone changes using periapical radiographs before and after prosthetic delivery in submerged and nonsubmerged dental implants. Methods. Digital periapical films of 60 ITI Straumann nonsubmerged dental implants and 60 Xive Dentsply submerged dental implants were taken before, immediately after, and 12 and 24 weeks after the prosthetic restoration was delivered. Results. The 60-nonsubmerged dental implant group showed mean marginal bone resorption at baseline of 0...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27996179/crestal-bone-loss-around-adjacent-dental-implants-restored-with-splinted-and-nonsplinted-fixed-restorations-a-systematic-literature-review
#15
REVIEW
Mohammad D Al Amri, Sergio Varela Kellesarian
PURPOSE: The aim of this systematic review was to compare the crestal bone loss around splinted and nonsplinted adjacent implants. MATERIALS AND METHODS: To address the focused question, "Is crestal bone loss around adjacent implants different with splinted from that with nonsplinted restorations?," indexed databases were searched from 1965 up to and including May 2016 using various combinations of the following keywords: "implant," "splinted," "nonsplinted," "unsplinted," "connected," "unconnected," "nonconnected," and "bone loss...
November 4, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27995653/influence-of-misfit-on-the-occurrence-of-veneering-porcelain-fractures-chipping-in-implant-supported-metal-ceramic-fixed-dental-prostheses-an-in%C3%A2-vitro-pilot-trial
#16
Nils Löfgren, Christel Larsson, Nikos Mattheos, Martin Janda
OBJECTIVE: Technical complications such as veneer fractures are more common in implant-supported than tooth-supported restorations. The underlying causes have not been fully identified. The aim of this study was to evaluate whether misfit between the restoration and the implant may affect the risk of veneer fractures. MATERIALS AND METHODS: Twenty standardized five-unit implant-supported metal-ceramic fixed dental prostheses (FDP)s were manufactured and fixed in acrylic blocks...
December 19, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27992234/using-dental-gps-to-navigate-implant-placement
#17
Byran T Harris, William C Scarfe, Daniel R Llop, Wei-Shao Lin
Digital advances have changed implant planning to improve outcomes in placement and restoration. Layering multiple image inputs, such as volumetric radiology, photography, and 3-dimensional (3D) surface scans, has allowed better assessment of patients with partial or complete edentulism, and this can aid in producing 3D visual predictions, implant guides, and prosthetics to execute the proposed plan.
September 2016: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/27990507/four-mm-long-versus-longer-implants-in-augmented-bone-in-atrophic-posterior-jaws-4-month-post-loading-results-from-a-multicentre-randomised-controlled-trial
#18
Marco Esposito, Giovanni Zucchelli, Carlo Barausse, Roberto Pistilli, Anna Trullenque-Eriksson, Pietro Felice
PURPOSE: To evaluate whether 4-mm long dental implants could be an alternative to augmentation with equine bone blocks and the placement of at least 10-mm long implants in atrophic posterior jaws. MATERIALS AND METHODS: Forty patients with atrophic posterior (premolar and molar areas) mandibles having 5 to 6 mm bone height above the mandibular canal and 40 patients with atrophic maxillae having 4 to 5 mm below the maxillary sinus, were randomised according to a parallel group design to receive one to three 4...
2016: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/27987891/the-use-of-heparin-chemistry-to-improve-dental-osteogenesis-associated-with-implants
#19
Sang Jin Lee, Min Soo Bae, Deok Won Lee, Dong Nyoung Heo, Donghyun Lee, Min Heo, Seoung-Jin Hong, Joohyoung Kim, Wan Doo Kim, Su A Park, Il Keun Kwon
In this study, we designed a hybrid Ti by heparin modifying the Ti surface followed by Growth/differentiation factor-5 (GDF-5) loading. After that, products were characterized by physicochemical analysis. Quantitative analysis of functionalized groups was also confirmed. The release behavior of GDF-5 grafted samples was confirmed for up to 21days. The surface modification process was found to be successful and to effectively immobilize GDF-5 and provide for its sustained release behavior. As an in vitro test, GDF-5 loaded Ti showed significantly enhanced osteogenic differentiation with increased calcium deposition under nontoxic conditions against periodontal ligament stem cells (PDLSc)...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27987520/-dental-implantation-and-soft-tissue-augmentation-after-ridge-preservation-in-a-molar-site-a-case-report
#20
L P Zhao, Y L Zhan, W J Hu, H J Wang, Y P Wei, M Zhen, T Xu, Y S Liu
For ideal implant rehabilitation, an adequate bone volume, optical implant position, and stable and healthy soft tissue are required. The reduction of alveolar bone and changes in its morphology subsequent to tooth extraction will result in insufficient amount of bone and adversely affect the ability to optimally place dental implants in edentulous sites. Preservation of alveolar bone volume through ridge preservation has been demonstrated to reduce the vertical and horizontal contraction of the alveolar bone crest after tooth extraction and reduce the need for additional bone augmentation procedures during implant placement...
December 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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