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https://www.readbyqxmd.com/read/28989132/post-insertion-posterior-single-implant-occlusion-changes-at-different-intervals-a-t-scan-computerized-occlusal-analysis
#1
Azam S Madani, Mohammadreza Nakhaei, Malihe Alami, Hamidreza Rajati Haghi, Saied Mostafa Moazzami
AIM: The aim of this prospective cohort study was to evaluate the postinsertion posterior single-implant occlusion changes at 3- and 6-month intervals using T-Scan computerized occlusal analysis. MATERIALS AND METHODS: A total of 21 patients received single implant, opposed by natural dentition, in posterior regions of the maxilla or mandible (13 premolar, 8 molar) and were finally restored with cemented-retained metal-ceramic crowns. The occlusal contacts were equilibrated according to the implant-protective occlusion concept to develop light contact with heavy occlusion and no contact with light occlusion in maximum inter-cuspation...
October 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28986692/short-implants-versus-bone-grafting-and-standard-length-implants-placement-a-systematic-review
#2
REVIEW
Juan A V Palacios, Jaime Jiménez Garcia, João M M Caramês, Marc Quirynen, Duarte Nuno da Silva Marques
OBJECTIVES: The aim of this study was to conduct a systematic review to compare the survival rates between short implants (length < 10 mm) versus standard-length implants (≥ 10 mm) inserted in grafted bone. As secondary outcomes, marginal bone loss and survival rates of the implant supported prostheses were also analysed. MATERIALS AND METHODS: Randomised controlled trials (RCT) that compared both techniques were searched on three electronic databases till June 2016, a manual search was performed on the bibliography of the collected articles, and the authors were contacted for additional references...
October 6, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28974497/outcomes-of-reoperation-after-acute-type-a-aortic-dissection-implications-for-index-repair-strategy
#3
Hanghang Wang, Matthew Wagner, Ehsan Benrashid, Jeffrey Keenan, Alice Wang, David Ranney, Babatunde Yerokun, Jeffrey G Gaca, Richard L McCann, G Chad Hughes
BACKGROUND: The optimal surgical approach for management of acute type A aortic dissection remains controversial. This study aimed to assess outcomes of reoperation after acute type A dissection repair to help guide decision making around index operative strategy. METHODS AND RESULTS: All aortic reoperations (n=129) at a single referral institution from August 2005 to April 2016 after prior acute type A dissection repair were reviewed. The primary outcome was 30-day or in-hospital mortality...
October 3, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28969596/learning-from-deaths-parents-active-role-and-engagement-in-the-review-of-their-stillbirth-perinatal-death-the-parents-1-study
#4
Danya Bakhbakhi, Dimitrios Siassakos, Christy Burden, Ffion Jones, Freya Yoward, Maggie Redshaw, Samantha Murphy, Claire Storey
BACKGROUND: Following a perinatal death, a formal standardised multi-disciplinary review should take place, to learn from the death of a baby and facilitate improvements in future care. It has been recommended that bereaved parents should be offered the opportunity to give feedback on the care they have received and integrate this feedback into the perinatal mortality review process. However, the MBRRACE-UK Perinatal Confidential Enquiry (2015) found that only one in 20 cases parental concerns were included in the review...
October 2, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28968332/management-of-zygomatic-fixture-complication-case-using-extra-short-implants
#5
Guilherme Bertolotti Benatto, Cleuber Rodrigo de Souza Bueno, Victor Prado Curvêllo, Hugo Nary Filho
The oral rehabilitation of a patient with atrophic maxilla is one of the main challenges in implant-supported rehabilitations. The implant placement in the posterior region of the maxilla is limited by a deficiency of bone quantity and quality, besides the anatomic restriction of the maxillary sinus. The use of zygoma fixtures, anchoraged in the zygomatic bone, is a useful technique to enable the full arch rehabilitation. However, complications related to this procedure bring a lot of difficulty in solving...
September 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28967392/cad-cam-high-density-polymer-implant-supported-fixed-diagnostic-prostheses
#6
Burak Yilmaz
Computer-aided design and computer-aided manufacturing (CAD-CAM) complete-arch implant-supported fixed prostheses have become popular in recent years and offer several advantages over traditional fabrication techniques. However, they also present challenges, and careful treatment planning is required, particularly for zirconia implant-supported fixed prostheses layered with feldspathic porcelain. This clinical report describes the use of a CAD-CAM high-density polymer implant-supported diagnostic prosthesis to verify the accuracy of the implant impression and evaluate the maxillomandibular relationship, esthetics, and phonetics of the planned CAD-CAM definitive implant-supported fixed prosthesis before CAM processing...
September 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28965251/accuracy-of-multi-unit-implant-impression-traditional-techniques-versus-a-digital-procedure
#7
Maria Menini, Paolo Setti, Francesco Pera, Paolo Pera, Paolo Pesce
OBJECTIVES: The objective of this study was to evaluate the accuracy of different impression techniques on multiple implants. MATERIAL AND METHODS: A master cast simulating a jaw with four implants was used. Eight impression techniques were tested: open tray-polyether#1, open tray plus splint of impression copings with acrylic resin-polyether#1, closed tray-polyether#1, open tray-polyether#2, open tray-splint-polyether#2, closed tray-polyether#2, open tray-impression plaster, and digital impression (DI)...
September 30, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28962843/immediately-loaded-implant-supported-full-arches-peri-implant-status-after-1-9years-in-a-private-practice
#8
Iñaki Cercadillo-Ibarguren, Alba Sánchez-Torres, Rui Figueiredo, Frank Schwarz, Cosme Gay-Escoda, Eduard Valmaseda-Castellón
OBJECTIVE: Evaluate the peri-implant status on the long-term (1-9years) of patients treated with immediately-loaded full-arch prostheses in a private practice. METHODS: A retrospective cohort study was carried out in patients consecutively treated with immediately loaded full-arch restorations supported with a minimum of 4 implants (Replace(®) Tapered, Nobel Biocare AB) and Multi-Unit conical abutments (MUA(®), Nobel Biocare AB) with a follow-up of over 12months after placement of the final prosthesis...
September 28, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28944368/impact-of-prosthetic-material-on-mid-and-long-term-outcome-of-dental-implants-supporting-single-crowns-and-fixed-partial-dentures-a-systematic-review-and-meta-analysis
#9
Samir Abou-Ayash, Malin Strasding, Gerta Rücker, Wael Att
AIM: The impact of prosthetic material selection on implant survival is not clear. The current criteria for choosing a prosthetic material seem to be based on clinician preferences. This systematic review aims to evaluate the impact of restorative materials on the mid- and long-term survival of implants supporting single crowns and fixed partial dentures. MATERIALS AND METHODS: Hand and MEDLINE searches were performed to identify relevant literature for single crowns (SC) and fixed partial dentures (FPD)...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28944367/clinical-outcomes-of-full-arch-fixed-implant-supported-zirconia-prostheses-a-systematic-review
#10
Avinash Bidra, Patchanee Rungruanganunt, Marissa Gauthier
AIM: The primary aim of this systematic review was to study the clinical outcomes of one-piece fixed complete dentures (complete arch fixed implant-supported prostheses) made of zirconia for edentulous patients. The secondary aim was to compare the clinical outcomes of monolithic zirconia vs zirconia veneered with porcelain (conventional, minimal or gingival) for fixed complete dentures. MATERIALS AND METHODS: Two investigators conducted an independent electronic search of the literature, using PubMed and Scopus search engines from January 1, 2000, to August 31, 2016...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28944360/immediate-loading-of-fixed-prostheses-in-fully-edentulous-jaws-1-year-follow-up-from-a-single-cohort-retrospective-study
#11
Francesco Giordano, Marco Esposito
PURPOSE: To evaluate the clinical outcome of four to five implants immediately restored with metal-resin screw-retained cross-arch fixed prostheses in edentulous jaws 1 year after loading. MATERIALS AND METHODS: In total, 104 consecutive patients received four 11 × 4.5 mm implants with a torque superior to 35 Ncm. If one implant did not reach a torque superior to 35 Ncm a fifth implant was added. If two implants did not reach a torque superior to 35 Ncm, loading was postponed after 3 months...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28944358/ceramic-vs-composite-veneering-of-full-arch-implant-supported-zirconium-frameworks-assessing-patient-preference-and-satisfaction-a-crossover-double-blind-randomised-controlled-trial
#12
Mauro Merli, Eugenio Bianchini, Giorgia Mariotti, Marco Moscatelli, Matteo Piemontese, Giorgio Rappelli, Michele Nieri
PURPOSE: The objectives of this two-period, crossover, mono-centred, double-blind, randomised controlled trial (RCT) were to compare two different materials used for full arch implant-supported prosthetic restorations with regard to patient preference and impact on a patient's quality of life. MATERIALS AND METHODS: Edentulous patients requesting one full arch restoration in the mandible or maxilla supported by dental implants were included in this study. Patients were randomised to receive either a full arch zirconia framework hand-veneered with ceramic, or a full arch zirconia framework hand-veneered with composite material...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28944356/two-or-three-machined-vs-roughened-surface-dental-implants-loaded-immediately-supporting-total-fixed-prostheses-1-year-results-from-a-randomised-controlled-trial
#13
Gioacchino Cannizzaro, Giorgio Gastaldi, Enrico Gherlone, Raffaele Vinci, Ignazio Loi, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To compare implants with machined vs roughened surfaces placed flapless in totally edentulous jaws and immediately restored with metal-resin screw-retained cross-arch prostheses. Mandibles were rehabilitated with two implants (Fixed-on-2 or Fo2) and maxillae with three implants (Fixed-on-3 or Fo3). MATERIALS AND METHODS: Forty edentulous or to be rendered edentulous patients (20 in the mandible and 20 in the maxilla) were randomised to the machined group (20 patients: 10 mandibles and 10 maxillae) and to the roughened group (20 patients: 10 mandibles and 10 maxillae) according to a parallel group design...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28936039/comparative-three-dimensional-finite-element-analysis-of-implant-supported-fixed-complete-arch-mandibular-prostheses-in-two-materials
#14
João Paulo Mendes Tribst, Dayana Campanelli de Morais, Alexandre Abhdala Alonso, Amanda Maria de Oliveira Dal Piva, Alexandre Luis Souto Borges
BACKGROUND: The increase of requests for implant-supported prosthesis (ISP) with zirconia as infrastructure has attracted a lot of attention due to its esthetics, biocompatibility, and survival rate similar to metallic infrastructure. The aim of this study was to evaluate the influence of two different framework materials on stress distribution over a bone tissue-simulating material. MATERIALS AND METHODS: Two ISP were modeled and divided into two infrastructure materials: titanium (Ti) and zirconia...
July 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28928237/microtubule-structures-underlying-the-sarcoplasmic-reticulum-support-peripheral-coupling-sites-to-regulate-smooth-muscle-contractility
#15
Harry A T Pritchard, Albert L Gonzales, Paulo W Pires, Bernard T Drumm, Eun A Ko, Kenton M Sanders, Grant W Hennig, Scott Earley
Junctional membrane complexes facilitate excitation-contraction coupling in skeletal and cardiac muscle cells by forming subcellular invaginations that maintain close (≤20 nm) proximity of ryanodine receptors (RyRs) on the sarcoplasmic reticulum (SR) with voltage-dependent Ca(2+) channels in the plasma membrane. In fully differentiated smooth muscle cells, junctional membrane complexes occur as distributed sites of peripheral coupling. We investigated the role of the cytoskeleton in maintaining peripheral coupling and associated Ca(2+) signaling networks within native smooth muscle cells of mouse and rat cerebral arteries...
September 19, 2017: Science Signaling
https://www.readbyqxmd.com/read/28906510/retrospective-analysis-on-survival-rate-template-related-complications-and-prevalence-of-peri-implantitis-of-694-anodized-implants-placed-using-computer-guided-surgery-results-between-1-and-10-years-of-follow-up
#16
Marco Tallarico, Silvio Mario Meloni
PURPOSE: To report survival rate, early surgical template-related complications, and prevalence of peri-implantitis of dental implants placed in private practices using computer-guided, template-assisted surgery and followed between 1 and 10 years. MATERIALS AND METHODS: The present retrospective multicenter study evaluated data collected from fully or partially edentulous patients, with anodized-surface implants placed using computer-guided, template-assisted surgery between January 2006 and December 2015...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28891900/use-of-a-balloon-catheter-with-intraoperative-c-arm-fluoroscan-for-reduction-of-zygomatic-arch-fractures
#17
Woon Jae Noh, Tae Jung Park, Joo Yeon Kim, Jae Hwan Kwon
BACKGROUND AND OBJECTIVES: The purpose of this study was to evaluate the usefulness of C-arm fluoroscan with a balloon catheter in patients undergoing closed reduction of zygomatic arch fractures. SUBJECTS AND METHODS: All patients who had zygomatic arch reduction surgery between 2006 and 2015 were identified and classified into 2 groups. Group A included those patients who underwent closed reduction of zygomatic arch fractures. Group B included those who underwent zygomatic arch reduction surgery with a C-arm fluoroscan and supporting balloon...
October 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28887958/photoelastic-analysis-of-mandibular-full-arch-implant-supported-fixed-dentures-made-with-different-bar-materials-and-manufacturing-techniques
#18
Danilo Zaparolli, Raniel Fernandes Peixoto, Denise Pupim, Ana Paula Macedo, Marcelo Bighetti Toniollo, Maria da Glória Chiarello de Mattos
PURPOSE: To compare the stress distribution of mandibular full dentures supported with implants according to the bar materials and manufacturing techniques using a qualitative photoelastic analysis. MATERIAL AND METHODS: An acrylic master model simulating the mandibular arch was fabricated with four Morse taper implant analogs of 4.5×6mm. Four different bars were manufactured according to different material and techniques: fiber-reinforced resin (G1, Trinia, CAD/CAM), commercially pure titanium (G2, cpTi, CAD/CAM), cobalt‑chromium (G3, Co-Cr, CAD/CAM) and cobalt‑chromium (G4, Co-Cr, conventional cast)...
December 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28882059/mri-evaluation-of-ligaments-and-tendons-of-foot-arch-in-talar-dome-osteochondral-lesions
#19
Ali Koç, Özgür Karabiyik
Background There are no publications in literature describing an association between disorders of the ligaments and tendons supporting the foot arch and osteochondral lesions of the talus (OCLT). We believe there may be a correlation between the damage of these structures. Purpose To investigate the pathologies of main ligaments and tendons that support the foot arch in sprained ankles, by reviewing magnetic resonance imaging (MRI) studies and comparing the results in two groups of patients, with and without OCLT...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28852638/repetition-of-examination-due-to-motion-artifacts-in-horizontal-cone-beam-ct-comparison-among-three-different-kinds-of-head-support
#20
Cosimo Nardi, Gian Giacomo Taliani, Alessandro Castellani, Luisa De Falco, Valeria Selvi, Linda Calistri
AIMS AND OBJECTIVES: The aim of this study was to evaluate the repetition rate of examination due to motion artifacts in horizontal cone beam computed tomography, using three different kinds of head support, with reference to the patient's age. Further purpose was to evaluate how comfortable head supports were. MATERIALS AND METHODS: Seven hundred and fifty patients underwent a maxillofacial/dental arches volumetric imaging scan. They were divided into three groups depending on the head support used: foam headrest, foam headrest with head strap, and head restraint helmet...
July 2017: Journal of International Society of Preventive & Community Dentistry
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