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https://www.readbyqxmd.com/read/29690693/-complications-of-implant-supported-full-arch-immediate-prosthesis-a-retrospective-analysis-of-114-cases
#1
H D Shen, P Di, J H Li, J Luo, Y Zhang, Y Lin
Objective: To evaluate the feasibility of long-term function of implant-supported full-arch immediate prosthesis via assessing the complications and risk factors. Methods: This historical cohort study included patients treated with implant-supported full-arch restoration under immediate loading protocol between April, 2008 to June, 2016 and wearing the immediate prosthesis for more than 6 months. Medical charts were reviewed for patients' general information, implant information, prosthetic information and details of prosthetic complications...
April 9, 2018: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/29687096/improved-volume-and-contour-stability-with-thin-socket-shield-preparation-in-immediate-implant-placement-and-provisionalization-in-the-esthetic-zone
#2
Serhat Aslan
Tooth replacement with a dental implant in the esthetic zone is a challenging treatment modality for the clinician. Each step of the treatment from tooth extraction to the definitive restoration should be performed meticulously to achieve a good esthetic outcome. Negative effects of the extraction can be minimized by various treatment protocols. Recent developments involving partial root retention (socket-shield technique) offer enhanced buccal tissue contour in these cases. This clinical report presents a slight modification to the socket-shield technique by preparing a thin shield and performing immediate implant placement...
2018: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/29687095/volumetric-alterations-around-single-tooth-implants-using-the-socket-shield-technique-preliminary-results-of-a-prospective-case-series
#3
Marc Hinze, Rainer Janousch, Sabine Goldhahn, Markus Schlee
OBJECTIVE: To demonstrate in a prospective cohort study that immediate implantation and provisionalization in combination with the socket-shield technique will result in volume stability of the mucosa adherent to the inserted implant. MATERIAL AND METHODS: Patients with an indication for a single tooth implant underwent application of the socket-shield technique and immediate implantation of a provisional implant crown. A noninvasive volumetric measurement was performed according to the method described by Windisch et al (2007) at baseline and 12 weeks later...
2018: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/29684308/fracture-healing-and-bone-remodeling-with-human-standard-sized-magnesium-versus-polylactide-co-glycolide-plate-and-screw-systems-using-a-mini-swine-craniomaxillofacial-osteotomy-fixation-model
#4
Benoît Schaller, John Patrik Matthias Burkhard, Madeleine Chagnon, Stefan Beck, Thomas Imwinkelried, Michel Assad
PURPOSE: This study compared the degradation profile, safety, and efficacy of bioresorbable magnesium alloy and polylactide-co-glycolide (PLGA) polymer osteosynthesis systems for the treatment of fractures in a load-sharing maxillofacial environment using a new mini-swine fracture fixation model. MATERIALS AND METHODS: Two types of clinically relevant situations were evaluated in 5 Yucatan miniature pigs. Defined porcine midface osteotomies of the supraorbital rim and zygoma were created and fixed with either a coated magnesium (test animals) or PLGA plate and screw osteosynthesis system (control animals)...
March 31, 2018: Journal of Oral and Maxillofacial Surgery
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
#5
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
https://www.readbyqxmd.com/read/29683498/advanced-platelet-rich-fibrin-and-freeze-dried-bone-allograft-for-ridge-preservation-a-randomized-controlled-clinical-trial
#6
Daniel Clark, Yogalakshmi Rajendran, Sarmad Paydar, Sunita Ho, Darren Cox, Mark Ryder, John Dollard, Richard T Kao
BACKGROUND: Advanced platelet-rich fibrin (A-PRF) is an autogenous blood product with applications in dento-alveolar surgery. However, there is minimal information regarding its optimal clinical application or efficacy. The aim of this multi-arm parallel randomized controlled clinical trial was to evaluate the efficacy of A-PRF alone or with freeze-dried bone allograft (FDBA) in improving vital bone formation and alveolar dimensional stability during ridge preservation. METHODS: Forty patients requiring extraction of non-molar teeth and replacement with dental implants were randomized into one of four ridge preservation approaches: A-PRF, A-PRF+FDBA, FDBA, or blood clot...
April 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29682552/prefabricated-bar-system-for-immediate-loading-in-edentulous-patients-a-5-year-follow-up-prospective-longitudinal-study
#7
Enrico F Gherlone, Gianpaolo Sannino, Andrea Rapanelli, Roberto Crespi, Giorgio Gastaldi, Paolo Capparé
Objectives: The aim of this clinical study was to evaluate a new type of prefabricated bar system, supported by axial and tilted implants at 5-year follow-up. Materials and Methods: Twenty-nine consecutive participants (19 females, 10 males) (mean age 61.4 years), edentulous in one or both jaws, with severe atrophy of the posterior regions, were treated according to the All-on-four® protocol with immediately loaded axial (64) and tilted (64) implants supporting complete-arch screw-retained prostheses (12 maxillary, 20 mandibular) featuring a prefabricated bar as framework...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29682267/an-unusual-deceptive-delayed-of-profuse-haemorrhage-after-mandibular-implant-dentistry-risk-planning-and-medico-legal-instruction
#8
R M Gaudio, E El Haddad, G El Haddad, D Lauritano, F Carinci
Mandibular implant placement (MIP) has been accepted and widely used for decades all over the world, and has reached a very high level of therapeutic reliability. MIP is used mostly in elderly edentulous patients who lost their teeth when dentistry was not oriented to fixed or removable prosthetic. Notwithstanding this, every year cases of severe complications during MIP due to haemorrhage causing life-threatening airway's obstruction are reported. These severe complications of MIP need immediate therapy, usually with hospitalization, and may be potentially fatal...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29682255/effectiveness-of-computer-assisted-anesthetic-delivery-system-sta-%C3%A2-in-dental-implant-surgery-a-prospective-study
#9
F R Grassi, B Rapone, F Scarano Catanzaro, M Corsalini, Z Kalemaj
Objectives: This prospective cohort study aimed to investigate effectiveness of Computerized Local Anesthesia (CLA) on oral implantology through estimation of pain and discomfort and total quantity of injected anesthetic. Methods: Forty-five consecutive patients whose treatment plan included immediate or late dental implants were included in this study. The main inclusion criteria comprised: previous implant intervention under conventional anesthesia (CA) during the past 3 years and no previous treatment of pain relief...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29682225/the-three-dimensional-reconstruction-of-the-jaw-with-bone-slat-technique-in-conjunction-with-third-molar-removal
#10
Mario Santagata, Atirge Cecere, Rosario V E Prisco, Gianpaolo Tartaro, Salvatore D'Amato
Background: The purpose of this study was to report the outcome of the management of both horizontal and vertical defects of alveolar crest using the bone slat technique approach in conjunction with third molar removal prior to implant placement in the aesthetic area. Methods: We present a 20-year-old female patient who lost a maxillary lateral incisor. The objective of treatment was to replace the lateral incisor with an implant-supported crown restoration without interfering with the integrity and topography of the adjacent gingival tissues...
September 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/29682085/prostaglandin-e-2-produced-by-alginate-encapsulated-mesenchymal-stromal-cells-modulates-the-astrocyte-inflammatory-response
#11
Elizabeth C Stucky, Joshua Erndt-Marino, Rene S Schloss, Martin L Yarmush, David I Shreiber
Astroglia are well known for their role in propagating secondary injury following brain trauma. Modulation of this injury cascade, including inflammation, is essential to repair and recovery. Mesenchymal stromal cells (MSCs) have been demonstrated as trophic mediators in several models of secondary CNS injury, however, there has been varied success with the use of direct implantation due to a failure to persist at the injury site. To achieve sustained therapeutic benefit, we have encapsulated MSCs in alginate microspheres and evaluated the ability of these encapsulated MSCs to attenuate neuro-inflammation...
June 2017: Nano LIFE
https://www.readbyqxmd.com/read/29680819/a-single-center-experience-in-the-endovascular-treatment-of-carotid-siphon-aneurysms-using-the-willis-covered-stent-a-retrospective-analysis
#12
Lin Ma, Ji-Chong Xu, Shuo Yan, Hao Feng, Hong-Jie Han, Hua-Qiao Tan, Chun Fang, Hong-En Huang
OBJECTIVE: To report the clinical results and initial clinical experience of endovascular isolation with the Willis covered stent for carotid siphon aneurysms. METHODS: Between November 2013 and December 2016, a total of 57 patients who presented with carotid siphon aneurysms were treated with the Willis covered stent. Results of the procedures, technical events, and complications were recorded. Clinical and imaging follow-ups were performed at 3 months following the endovascular procedures...
April 21, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29677227/impact-of-soft-tissue-grafts-to-reduce-peri-implant-alterations-after-immediate-implant-placement-and-provisionalization-in-compromised-sockets
#13
Fausto Frizzera, Rubens Moreno de Freitas, Oscar Fernando Muñoz-Chávez, Guilherme Cabral, Jamil Awad Shibli, Elcio Marcantonio
This study evaluated the impact of soft tissue grafts to reduce marginal peri-implant recession (MPR) after 1 year of follow-up. A total of 24 patients with one single failing maxillary incisor presenting facial bone dehiscence and receiving an immediate implant, bone graft, and provisional were randomly divided into three groups (n = 8 in each group): control (CTL), collagen matrix (CM), and connective tissue graft (CTG). Clinical, photographic, and tomographic analyses were performed to evaluate tissue alterations...
April 20, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29677225/occlusive-titanium-barrier-for-immediate-bone-augmentation-of-severely-resorbed-alveolar-sockets-with-secondary-soft-tissue-healing-a-2-year-case-series
#14
Fabio Perret, Federica Romano, Francesco Ferrarotti, Mario Aimetti
This case series evaluated bone dimensional changes following the application of an occlusive titanium barrier on severely resorbed fresh extraction sockets to achieve bone regeneration. Six extraction sites with buccal bone loss were filled with a xenograft and covered with a titanium plate fixed by two miniscrews and left intentionally exposed. No infection occurred. After 4 months of healing, sufficient hard tissue had formed to allow implant insertion. Mean vertical bone gain was 7.3 ± 2.2 mm at the buccal side and 4...
April 20, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29673730/early-oocyte-denudation-does-not-compromise-icsi-cycle-outcome-a-large-retrospective-cohort-study
#15
Osama Naji, Natalie Moska, Yaser Dajani, Awatuf El-Shirif, Hassan El-Ashkar, Mohamed Hosni, Mohamed Khalil, Yacoub Khalaf, Virginia Bolton, Tarek El-Toukhy
This retrospective cohort study of 2051 consecutive fresh non-donor intracytoplasmic sperm injection (ICSI) cycles investigated whether time from oocyte retrieval to denudation, precisely measured and recorded by an operator-independent automated radiofrequency-based system, affected cycle outcome. ICSI cycles were divided into two groups: group I (denudation within <2 h of oocyte retrieval, n = 1118) and group II (denudation 2-5 h after oocyte retrieval, n = 933). Univariate analysis by two-sample t-test or Mann-Whitney test was used, as appropriate...
April 4, 2018: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29673607/impact-of-a-hybrid-decision-support-system-to-improve-the-adherence-to-implantable-cardioverter-defibrillator-therapy-guidelines-for-primary-prevention-of-sudden-cardiac-death
#16
Nicolás Vecchio, Diego Belardi, Mariano Benzadón, Leonardo Seoane, Gustavo Daquarti, Fernando Scazzuso
OBJECTIVES: Despite the well-documented benefit of implantable cardioverter defibrillator (ICD) in patients with severe left ventricular dysfunction, there is a large number of patients who had not been offered this therapy. The aim of this study is to evaluate the utility of a hybrid decision support system (hCDSS) to improve the adherence to indicate ICD therapy in our institution. METHODS: We conducted a retrospective, observational and single-center study. An hCDSS focused on patients with severe deterioration of the left ventricular function was implemented, creating a mandatory field containing the value of left ejection fraction and three options to choose: >35%, ≤ 35% or unknown...
June 2018: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29671940/a-long-term-prospective-cohort-study-on-immediately-restored-single-tooth-implants-inserted-in-extraction-sockets-and-healed-ridges-cbct-analyses-soft-tissue-alterations-aesthetic-ratings-and-patient-reported-outcomes
#17
Stefanie Raes, Aryan Eghbali, Vivianne Chappuis, Filiep Raes, Hugo De Bruyn, Jan Cosyn
BACKGROUND: Although many studies have been published on single implants, long-term data remain scarce. PURPOSE: To evaluate immediately restored single implants after at least 8 years of follow-up in terms of buccal bone, soft tissue alterations, aesthetic ratings, and patient-reported outcomes. MATERIALS AND METHODS: This prospective cohort study included patients who were consecutively treated with an immediately restored single implant installed in an extraction socket (IIT) or a healed ridge (CIT) in the anterior maxilla...
April 19, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29670878/matrix-metalloproteinase-2-impairs-homing-of-intracoronary-delivered-mesenchymal-stem-cells-in-a-porcine-reperfused-myocardial-infarction-comparison-with-intramyocardial-cell-delivery
#18
Katrin Zlabinger, Dominika Lukovic, Rayyan Hemetsberger, Alfred Gugerell, Johannes Winkler, Ljubica Mandic, Denise Traxler, Andreas Spannbauer, Susanne Wolbank, Gerald Zanoni, Christoph Kaun, Aniko Posa, Andrea Gyenes, Zsolt Petrasi, Örs Petnehazy, Imre Repa, Renate Hofer-Warbinek, Rainer de Martin, Florian Gruber, Silvia Charwat, Kurt Huber, Noemi Pavo, Imre J Pavo, Noemi Nyolczas, Dara L Kraitchman, Mariann Gyöngyösi
Background: Intracoronary (IC) injection of mesenchymal stem cells (MSCs) results in a prompt decrease of absolute myocardial blood flow (AMF) with late and incomplete recovery of myocardial tissue perfusion. Here, we investigated the effect of decreased AMF on oxidative stress marker matrix metalloproteinase-2 (MMP-2) and its influence on the fate and homing and paracrine character of MSCs after IC or intramyocardial cell delivery in a closed-chest reperfused myocardial infarction (MI) model in pigs...
2018: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29666911/dual-coverage-of-the-inferior-pole-with-conjoined-fascial-flap-and-acellular-dermal-matrix-for-immediate-one-stage-breast-reconstruction-with-a-prosthetic-implant
#19
Seo H Lee, Yong S Chun, Heung K Park, Yang W Kim, Young W Cheon
BACKGROUND: Elevation of a conjoined fascial flap composed of the pectoralis major, serratus anterior, and external oblique fascia is a type of surgical technique using autologous tissue to cover the lower pole after immediate one-stage direct-to-implant (DTI) breast reconstruction. However, volumetric breast implants hinder use of this technique alone. For better structural stability and more aesthetically favorable breast contour in large breasts, we have devised a technique involving dual coverage of the lower pole by a conjoined fascial flap and acellular dermal matrix (ADM)...
April 17, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29666733/clinical-results-of-total-hip-arthroplasty-in-two-patients-with-charcot-hip-joints-due-to-congenital-insensivity-to-pain-with-anhydrosis
#20
Daisuke Inoue, Tamon Kabata, Yoshitomo Kajino, Tadashi Taga, Takashi Yamamoto, Tomoharu Takagi, Takaaki Ohmori, Hiroyuki Tsuchiya
Traditionally, Charcot arthropathy has been considered an absolute contraindication for total hip arthroplasty (THA). However, some recent reports have shown that good short- to mid-term results can be achieved by improving the durability of the implant. This paper reports the mid- to long-term results of THA in two patients with Charcot hip joints caused by congenital insensivity to pain with anhydrosis. Both patients suffered multiple posterior dislocations in the six months immediately following surgery...
2018: Case Reports in Orthopedics
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