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Implant Dentistry

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https://www.readbyqxmd.com/read/28220366/zirconia-implants-and-peek-restorations-for-the-replacement-of-upper-molars
#1
José María Parmigiani-Izquierdo, María Eugenia Cabaña-Muñoz, José Joaquín Merino, Arturo Sánchez-Pérez
BACKGROUND: One of the disadvantages of the zirconia implants is the lack of elasticity, which is increased with the use of ceramic or zirconia crowns. The consequences that could result from this lack of elasticity have led to the search for new materials with improved mechanical properties. CASE PRESENTATION: A patient who is a 45-year-old woman, non-smoker and has no medical record of interest with a longitudinal fracture in the palatal root of molar tooth 1...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28218025/dental-implants-and-incisor-bridge-placement-in-a-dog
#2
Rocco E Mele, Anthony Caiafa, Gregori M Kurtzman
Veterinary dentistry has tended to follow the trends and advancements in the human dental field. As for any procedure performed on a patient, whether human or animal, an informed decision is based on the available evidence regarding treatment options. This is certainly true for the more involved treatments in veterinary dentistry which can include the disciplines of endodontics and dental implantology. A number of published case reports have been accepted by the specialty that endodontic therapy is indeed a predictable and a valuable service that can be offered to pet owners...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28210625/new-biomaterials-and-regenerative-medicine-strategies-in-periodontology-oral-surgery-esthetic-and-implant-dentistry-2016
#3
EDITORIAL
David M Dohan Ehrenfest, Adriano Piattelli, Gilberto Sammartino, Hom-Lay Wang
No abstract text is available yet for this article.
2017: BioMed Research International
https://www.readbyqxmd.com/read/28206730/sinus-presurgical-evaluation-a-literature-review-and-a-new-classification-proposal
#4
Lorenzo Tavelli, Andrea E Borgonovo, Dino Re, Carlo Maiorana
Presurgical evaluation with cone beam computed tomography (CBCT) or computed tomography (CT) has become an essential tool for diagnosis and surgical planning, including maxillary sinus floor elevation. Before performing a sinus lift, the clinician's attention should not be only directed to the patency of the ostium through CBCT or CT, because many anatomical features could influence the surgical approach of sinus floor elevation. The goal of this article was to facilitate the communication between clinicians regarding the type of maxillary sinus, encourage in-depth analysis prior to surgery and reduce the risk of complications due to possible underestimation of important parameters...
February 15, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28196152/human-histologic-evidence-of-reosseointegration-around-an-implant-affected-with-peri-implantitis-following-decontamination-with-sterile-saline-and-antiseptics-a-case-history-report
#5
Paul Fletcher, Daniel Deluiz, Eduardo Mb Tinoco, John L Ricci, Dennis P Tarnow, Justine Monnerat Tinoco
The treatment of peri-implant disease is one of the most controversial topics in implant dentistry. The multifactorial etiology and the myriad proposed techniques for managing the problem make successful decontamination of an implant surface affected by peri-implantitis one of the more unpredictable challenges dental practitioners have to face. This article presents the first known published case report demonstrating human histologic evidence of reosseointegration using a plastic curette for mechanical debridement and dilute sodium hypochlorite, hydrogen peroxide, and sterile saline for chemical detoxification...
February 14, 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28184162/synergistic-effect-of-nanotopography-and-bioactive-ions-on-peri-implant-bone-response
#6
Yingmin Su, Satoshi Komasa, Peiqi Li, Mariko Nishizaki, Luyuan Chen, Chisato Terada, Shigeki Yoshimine, Hiroshi Nishizaki, Joji Okazaki
Both bioactive ion chemistry and nanoscale surface modifications are beneficial for enhanced osseointegration of endosseous implants. In this study, a facile synthesis approach to the incorporation of bioactive Ca(2+) ions into the interlayers of nanoporous structures (Ca-nano) formed on a Ti6Al4V alloy surface was developed by sequential chemical and heat treatments. Samples with a machined surface and an Na(+) ion-incorporated nanoporous surface (Na-nano) fabricated by concentrated alkali and heat treatment were used in parallel for comparison...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28184055/clinical-applications-of-polytetrafluoroethylene-ptfe-tape-in-restorative-dentistry
#7
M M Sattar, M Patel, A Alani
Restorative dental procedures are ever developing; one reason for this can be attributed to newer materials with better handling properties and our ability to manipulate them more effectively. As a result various techniques have been described to aid clinicians in obtaining predictable results in restorative dental procedures. This article aims to review the use of plumber's tape to assist in adhesive, endodontic and implant related dental procedures, when compared to other available materials.
February 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28174364/evaluation-of-periodontal-changes-adjacent-to-extraction-sites-during-upper-canine-retraction
#8
Azzam Al-Jundi, Basem Al Sabbagh, Jagan K Baskaradoss
INTRODUCTION: There is an intimate relationship between orthodontic therapy and the periodontal changes that occur during tooth movement. MATERIALS AND METHODS: This prospective clinical trial aims at investigating the movement of both the free and attached gingiva, as well as the movement of the alveolar bone in the extraction site of the upper 1st premolars during the retraction of the upper canines. In this study, 17 patients (10 female, 7 male) requiring 1st premolar extraction before orthodontic tooth movement were selected and treated at the Department of Orthodontics in the Faculty of Dentistry in University of Hama, Hama, Syria...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28132525/influence-of-custom-made-implant-designs-on-the-biomechanical-performance-for-the-case-of-immediate-post-extraction-placement-in-the-maxillary-esthetic-zone-a-finite-element-analysis
#9
Jianyu Chen, Zhiguang Zhang, Xianshuai Chen, Xiao Zhang
Due to the increasing adoption of immediate implantation strategies and the rapid development of the computer aided design/computer aided manufacturing technology, a therapeutic concept based on patient-specific implant dentistry has recently been reintroduced by many researchers. However, little information is available on the designs of custom-made dental implant systems, especially their biomechanical behavior. The influence of the custom-made implant designs on the biomechanical performance for both an immediate and a delayed loading protocol in the maxillary esthetic zone was evaluated by means of the finite element (FE) method...
January 29, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28130564/histologic-and-histomorphometric-evaluation-of-bone-regeneration-using-nanocrystalline-hydroxyapatite-and-human-freeze-dried-bone-graft-an-experimental-study-in-rabbit
#10
Rokhsareh Sadeghi, Mohammad Najafi, Hassan Semyari, Fatemeh Mashhadiabbas
PURPOSE: Bone regeneration is an important concern in periodontal treatment and implant dentistry. Different biomaterials and surgical techniques have been used for this purpose. The aim of the present study was to compare the effect of nanocrystalline hydroxyapatite and human freeze-dried bone graft (FDBG) in regeneration of rabbit calvarium bony defects by histologic and histomorphometric evaluation. METHODS: In this experimental study, three similar defects, measuring 8 mm in diameter, were created in the calvaria of 16 white New Zealand rabbits...
January 27, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28125407/bioimpedance-measurements-in-dentistry-to-detect-inflammation-numerical-modelling-and-experimental-results
#11
Gloria Cosoli, Lorenzo Scalise, Gerardo Tricarico, Paola Russo, Graziano Cerri
Bioimpedance measurements represent an advantageous method to evaluate the physio-pathological conditions of biological tissues and their use is spreading in different application fields, from the evaluation of body composition to the vital signs monitoring, passing through the individuation of cancer tissues and the detection of different substances (e.g. glucose measurements in people affected by diabetes). In fact, tissues electric properties vary with their conditions; for example, electrical conductivity increases when there is an inflammatory process, because of the presence of oedema, hyperaemia and infiltration...
January 26, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28117682/salivary-diagnostics-point-of-care-diagnostics-of-mmp-8-in-dentistry-and-medicine
#12
REVIEW
Nilminie Rathnayake, Dirk-Rolf Gieselmann, Anna Maria Heikkinen, Taina Tervahartiala, Timo Sorsa
Human saliva is an easily accessible biological fluid and contains a variety of disease-related biomarkers, which makes it a potential diagnostic medium. The clinical use of salivary/oral fluid biomarkers to identify oral and systemic conditions requires the development of non-invasive screening and diagnostic technologies, and is among the main goals of oral fluid researchers. The analysis of the disease-specific oral and systemic biomarkers in saliva and oral fluids (i.e., mouth-rinse, gingival crevicular fluid (GCF) and peri-implantitis sulcular fluid (PISF)) is demanding...
January 20, 2017: Diagnostics
https://www.readbyqxmd.com/read/28112854/a-current-perspective-on-screw-retained-single-implant-restorations-a-review-of-pertinent-literature
#13
REVIEW
George Priest
OBJECTIVE: There is a trend toward increased use of screw-retained single-implant restorations. A comprehensive literature review was undertaken to examine the data related to screw- and cement-retention and to objectively evaluate the innovations in implant dentistry that have led to this resurgence. OVERVIEW: When comparing the two options, survival and complication rates are similar, bone and soft-tissue levels are comparable, and zirconia offers esthetic advantages for both selections...
January 23, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28107405/methodological-quality-of-consensus-guidelines-in-implant-dentistry
#14
Clovis Mariano Faggion, Karol Apaza, Tania Ariza-Fritas, Lilian Málaga, Nikolaos Nikitas Giannakopoulos, Marco Antonio Alarcón
BACKGROUND: Consensus guidelines are useful to improve clinical decision making. Therefore, the methodological evaluation of these guidelines is of paramount importance. Low quality information may guide to inadequate or harmful clinical decisions. OBJECTIVE: To evaluate the methodological quality of consensus guidelines published in implant dentistry using a validated methodological instrument. METHODS: The six implant dentistry journals with impact factors were scrutinised for consensus guidelines related to implant dentistry...
2017: PloS One
https://www.readbyqxmd.com/read/28101784/dental-implants-and-grafting-success-remain-high-despite-large-variations-in-maxillary-sinus-mucosal-thickening
#15
Bartosz Maska, Guo-Hao Lin, Abdullah Othman, Shabnam Behdin, Suncica Travan, Erika Benavides, Yvonne Kapila
BACKGROUND: Although mucosal thickening is the most common radiographic finding observed regarding sinus pathology, the knowledge regarding its clinical significance on the outcomes of dental implants and grafting in the maxillary sinuses is still limited. We hypothesized that mucosal thickening would not alter the predictability for sinus floor augmentation and dental implant placement. The purpose of this retrospective study was to evaluate the outcomes of dental implant placement in sinus-augmented areas with preexisting sinus mucosal thickening...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28076936/histochemical-and-morphological-aspects-of-fresh-frozen-bone-a-preliminary-study
#16
F S De Ponte, G Cutroneo, R Falzea, G Rizzo, L Catalfamo, A Favaloro, G Vermiglio, M Runci, A Centofanti, G Anastasi
Bone graft are used in dentistry for the reconstruction of severely atrophic jaws. Fresh frozen bone has no osteogenic property but it has osteoconductive and osteoinductive properties because its matrix contains growth factors such as vascular endothelial growth factor. The purpose of the present study was to evaluate morphological and protein expression characteristics of fresh frozen bone before graft and after six months of graft in patients who needed maxillary reconstruction. After 6 month of graft we observed the presence of viable bone as evidenced by full osteocyte lacunae and by the presence of RANKR, osteocalcin positive cells and vascular endothelial growth factor...
December 6, 2016: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28067755/vascular-structures-of-the-lateral-wall-of-the-maxillary-sinus-a-vascular-labeling-technique
#17
José Caraballo, Alba Gálvez, María Cristina Manzanares-Céspedes, Iván Valdivia-Gandur, Rui Figueiredo, Eduard Valmaseda-Castellón
PURPOSE: Sinus floor augmentation is a common procedure in implant dentistry. However, several intraoperative complications can occur during this procedure, such as bleeding from the lateral wall of the maxillary sinus. The aim of this study was to describe the vascular structures of the lateral wall of the maxillary sinus using a vascular labeling technique. MATERIALS AND METHODS: Ten cadaveric specimens were prepared by the vascular labeling technique. Liquid latex was injected into the large vessels of the head, and the lateral wall of the maxillary sinus was exposed by dissection...
February 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28066993/developing-a-biomimetic-tooth-bud-model
#18
Elizabeth E Smith, Weibo Zhang, Nathan R Schiele, Ali Khademhosseini, Catherine K Kuo, Pamela C Yelick
A long-term goal is to bioengineer, fully functional, living teeth for regenerative medicine and dentistry applications. Biologically based replacement teeth would avoid insufficiencies of the currently used dental implants. Using natural tooth development as a guide, a model was fabricated using post-natal porcine dental epithelial (pDE), porcine dental mesenchymal (pDM) progenitor cells, and human umbilical vein endothelial cells (HUVEC) encapsulated within gelatin methacrylate (GelMA) hydrogels. Previous publications have shown that post-natal DE and DM cells seeded onto synthetic scaffolds exhibited mineralized tooth crowns composed of dentin and enamel...
January 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28059080/scaling-of-titanium-implants-entrains-inflammation-induced-osteolysis
#19
Michal Eger, Nir Sterer, Tamar Liron, David Kohavi, Yankel Gabet
With millions of new dental and orthopedic implants inserted annually, periprosthetic osteolysis becomes a major concern. In dentistry, peri-implantitis management includes cleaning using ultrasonic scaling. We examined whether ultrasonic scaling releases titanium particles and induces inflammation and osteolysis. Titanium discs with machined, sandblasted/acid-etched and sandblasted surfaces were subjected to ultrasonic scaling and we physically and chemically characterized the released particles. These particles induced a severe inflammatory response in macrophages and stimulated osteoclastogenesis...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28056602/the-potential-of-stromal-cell-derived-factor-1-delivery-using-a-collagen-membrane-for-bone-regeneration
#20
Tadahiro Takayama, Jisen Dai, Keita Tachi, Ryutaro Shohara, Hironori Kasai, Kentaro Imamura, Seiichi Yamano
Stromal cell-derived factor-1 (SDF-1) is a cytokine that is important in stem and progenitor cell recruitment in tissue repair after injury. Regenerative procedures using collagen membranes (CMs) are presently well established in periodontal and implant dentistry. The objective of this study is to test the subsequent effects of the released SDF-1 from a CM on bone regeneration compared to platelet-derived growth factor (PDGF) in vitro and in vivo. For in vitro studies, cell proliferation, alkaline phosphatase activity, and osteoblastic differentiation marker genes were assessed after MC3T3-E1 mouse preosteoblasts were cultured with CMs containing factors...
February 2017: Journal of Biomaterials Applications
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