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https://www.readbyqxmd.com/read/28319215/number-and-location-of-mini-implants-retaining-a-mandibular-overdenture-to-resist-lateral-forces-a-preliminary-in-vitro-study
#1
Kyozo Takagaki, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: The aim of this study was to determine the optimal number and location of mini-implants retaining an overdenture to resist lateral forces. MATERIALS AND METHODS: A strain gauge was attached to a mini-implant and placed in an edentulous mandible model. The following different implant locations were evaluated: one mini-implant at the midline, two mini-implants in the lateral incisor regions, two mini-implants in the canine regions, and four mini-implants...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28319212/treatment-outcomes-for-mandibular-mini-implant-retained-overdentures-a-systematic-review
#2
Jin-Hong Park, Jeong-Yol Lee, Sang-Wan Shin
PURPOSE: This systematic review evaluated treatment outcomes for mandibular mini-implant-retained overdentures (MMIOs) in terms of (1) implant survival rate, (2) peri-implant marginal bone loss, (3) prosthodontic maintenance and complication occurrence, and (4) patient satisfaction. MATERIALS AND METHODS: Pertinent literature published in English before October 12, 2015 was identified using a MEDLINE and EMBASE search strategy and hand searching of relevant journals...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28318375/fracture-strength-of-standard-and-small-diameter-prosthetic-abutments-for-full-arch-implant-supported-restorations
#3
Bruno Costa Martins de Sá, Augusto Ricardo Andrighetto, Sérgio Rocha Bernardes, Rodrigo Tiossi
The fracture strength of prosthetic abutments with different sizes and combinations to support a 5 implant milled framework with distal extension was tested. Prosthetic abutments with different dimensions (4.8 mm diameter mini-conical abutment and 3.5 mm diameter micro-conical abutment) were screwed to 5 threaded implants. The following groups were divided (n=3): G1 with 5 mini-conical abutments (standard size), G2 with 5 micro-conical abutments (small sized), G3 with a combination of 3 small sized abutments and 2 standard sized abutments, and G4 with a combination of 2 small sized abutments and 3 standard sized abutments...
March 20, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28302305/absolute-or-relative-stability-in-minimal-invasive-plate-osteosynthesis-of-simple-distal-meta-or-diaphyseal-tibia-fractures
#4
R Wenger, F Oehme, J Winkler, S M Perren, R Babst, F J P Beeres
INTRODUCTION: Minimal invasive plate osteosynthesis in simple distal meta or diaphyseal tibia fractures can be applied using absolute (lag screw and neutralisation plate; LSN) or relative stability (bridge plate; BP). The primary aim of the study was to compare time to radiological union and time to full weight bearing in the two groups (LSN vs. BP). Reduction was performed either percutaneously or by a minimally open approach (mini open). Secondary aim was to analyse the number of complications between both groups...
March 6, 2017: Injury
https://www.readbyqxmd.com/read/28291859/short-dental-implants-retaining-two-implant-mandibular-overdentures-in-very-old-dependent-patients-radiologic-and-clinical-observation-up-to-5-years
#5
Sabrina Maniewicz, Ramona Buser, Elena Duvernay, Lydia Vazquez, Angelica Loup, Thomas V Perneger, Martin Schimmel, Frauke Müller
PURPOSE: To describe the survival rate and peri-implant bone loss in very old patients dependent for their activities of daily living (ADL), treated with mandibular two-implant overdentures (IODs) in the context of a previously reported randomized controlled trial. MATERIALS AND METHODS: A total of 19 patients received two interforaminal Straumann implants (Regular Neck, 4.1 mm diameter, 8 mm length) that were subsequently loaded with Locator attachments, transforming their preexisting inferior conventional denture into an IOD...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28285161/nanoparticle-mediated-ppar%C3%AE-gene-delivery-on-dental-implants-improves-osseointegration-via-mitochondrial-biogenesis-in-diabetes-mellitus-rat-model
#6
Young-Hee Lee, Jeong-Seok Kim, Ji-Eun Kim, Min-Ho Lee, Jae-Gyu Jeon, Il-Song Park, Ho-Keun Yi
Diabetes mellitus (DM) has a detrimental effect on osseointegration, stability and longevity of implants due to osteoporosis. In this study, PPARγ-loaded dental implants were investigated for the improvement of osseointegration and peri-implantitis. Chitosan gold nanoparticles conjugated with PPARγ cDNA were introduced on titanium mini-implant surfaces for PPARγ release to rat mandibular. DM-induced rat mandible showed structural changes such as decreased bone mass and increased inflammatory molecules, and diminution of PPARγ expression and bone formation molecules compared to normal rats...
March 8, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28279083/finite-element-analysis-of-different-loading-conditions-for-implant-supported-overdentures-supported-by-conventional-or-mini-implants
#7
K Solberg, F Heinemann, P Pellikaan, L Keilig, H Stark, C Bourauel, I Hasan
The effect of implants' number on overdenture stability and stress distribution in edentulous mandible, implants and overdenture was numerically investigated for implant-supported overdentures. Three models were constructed. Overdentures were connected to implants by means of ball head abutments and rubber ring. In model 1, the overdenture was retained by two conventional implants; in model 2, by four conventional implants; and in model 3, by five mini implants. The overdenture was subjected to a symmetrical load at an angle of 20 degrees to the overdenture at the canine regions and vertically at the first molars...
March 10, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28276147/implant-guided-supracrestal-alveolar-bone-growth-using-scaffolds-bmp-2-and-novel-scaffold-retaining-device
#8
Bo Wen, David Shafer, Peter Schleier, David Pendrys, Liisa Kuhn, Martin Freilich
OBJECTIVE: To evaluate the efficacy of various scaffold systems and a Ti scaffold-retaining device with and without non-glycosylated rhBMP-2 (BMP-2) for increasing the vertical alveolar bone growth in the intra-oral mini-pig model. METHODS: Forty-eight Straumann Bone Level implants with hydrophilic (SLActive) surfaces were partially embedded in mandibles of 12 adult mini-pigs with the shoulder of the implant located 3 mm above the bone crest. Twenty-four implants were placed in conjunction with BMP-2 (50 μg) incorporated within resorbable scaffolds...
March 9, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28274084/ball-headed-mini-implant
#9
N Raj Vikram, Ramachandra Prabhakar, S Aravind Kumar, M K Karthikeyan, R Saravanan
No abstract text is available yet for this article.
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28268105/prolonged-striatal-disinhibition-as-a-chronic-animal-model-of-tic-disorders
#10
Esther Vinner, Michal Israelashvili, Izhar Bar-Gad
BACKGROUND: Experimental findings and theoretical models have associated Tourette syndrome with abnormal striatal inhibition. The expression of tics, the hallmark symptom of this disorder, has been transiently induced in non-human primates and rodents by the injection of GABAA antagonists into the striatum, leading to temporary disinhibition. NEW METHOD: The novel chronic model of tic expression utilizes mini-osmotic pumps implanted subcutaneously in the rat back for prolonged infusion of bicuculline into the dorsolateral striatum...
March 4, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28262910/surgical-placement-of-left-ventricular-lead-for-cardiac-resynchronisation-therapy-after-failure-of-percutaneous-attempt
#11
Mehmet Ezelsoy, Muhammed Bayram, Suleyman Yazici, Nuran Yazicioglu, Ertan Sagbas
OBJECTIVE: Cardiac resynchronisation therapy has been shown to be an effective treatment to improve functional status and prolong survival of patients in advanced chronic heart failure. This study assessed the surgical outcomes of left anterior mini-thoracotomy for the implantation of left ventricular epicardial pacing leads in cardiac resynchronisation therapy. METHODS: Our study consisted of 30 consecutive patients who underwent cardiac resynchronisation therapy with a left thoracotomy between November 2010 and April 2012 in our clinic...
January 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28261774/evaluation-of-anatomical-and-functional-outcomes-in-patients-undergoing-repair-of-traumatic-canalicular-laceration
#12
Hasan Aytoğan, Şeyda Karadeniz Uğurlu
BACKGROUND: The present study was designed to evaluate functional and anatomical success of traumatic canalicular laceration repair. METHODS: Consecutive patients who presented at Atatürk Training and Research Hospital Eye Clinic, İzmir Katip Çelebi University Faculty of Medicine and had canalicular laceration repair performed by the same surgeon between January 2009 and December 2014 were included in the study. Demographic data, length of time between injury and surgery, and cause of the trauma, surgical method employed, and duration of follow-up were recorded...
January 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28258287/-trisegmental-fusion-by-vertebral-body-replacement-outcome-following-traumatic-multisegmental-fractures-of-the-thoracic-and-lumbar-spine
#13
Michael Kreinest, Dorothee Schmahl, Paul A Grützner, Stefan Matschke
BACKGROUND: Around 5% of all trauma patients suffer from spinal trauma. Spinal fractures are mainly located in the thoracic and lumbar spine. For multisegmental vertebral fractures categorized as instable, combined dorsal instrumentation and ventral stabilization is recommended. Numerous vertebral body replacement systems are available for ventral stabilization. OBJECTIVES: The aim of the current study was to analyze radiological results following the implantation of a hydraulic expandable vertebral body replacement and the evaluation of patients' outcome three years after implantation...
March 3, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28257743/camouflage-of-a-high-angle-skeletal-class-ii-open-bite-malocclusion-in-an-adult-after-mini-implant-failure-during-treatment
#14
Eduardo Franzotti Sant'Anna, Amanda Carneiro da Cunha, Daniel Paludo Brunetto, Claudia Franzotti Sant'Anna
The treatment of skeletal anterior open-bite malocclusion requires complex orthodontic planning that considers its multifactorial etiology, treatment limitations, and high relapse rates. This case report illustrates a successful treatment approach for a skeletal high-angle Class II malocclusion in an adult with a severe open bite. The treatment consisted of a high-pull headgear therapy after mini-implants failure during fixed orthodontic therapy. Adequate esthetics and function were achieved. Despite its low probability, the unexpected event of mini-implant loosening during complex treatments should be considered...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28257728/effectiveness-of-orthodontic-miniscrew-implants-in-anchorage-reinforcement-during-en-masse-retraction-a-systematic-review-and-meta-analysis
#15
REVIEW
Joanna Antoszewska-Smith, Michał Sarul, Jan Łyczek, Tomasz Konopka, Beata Kawala
INTRODUCTION: The aim of this systematic review was to compare the effectiveness of orthodontic miniscrew implants-temporary intraoral skeletal anchorage devices (TISADs)-in anchorage reinforcement during en-masse retraction in relation to conventional methods of anchorage. METHODS: A search of PubMed, Embase, Cochrane Central Register of Controlled Trials, and Web of Science was performed. The keywords were orthodontic, mini-implants, miniscrews, miniplates, and temporary anchorage device...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28256366/bone-morphogenetic-protein-2-loaded-poly-d-l-lactide-co-glycolide-microspheres-enhance-osteogenic-potential-of-gelatin-hydroxyapatite-%C3%AE-tricalcium-phosphate-cryogel-composite-for-alveolar-ridge-augmentation
#16
Hao-Chieh Chang, Connie Yang, Fang Feng, Feng-Huei Lin, Chi-Hwa Wang, Po-Chun Chang
BACKGROUND/PURPOSE: Sufficient bony support is essential to ensure the success of dental implant osseointegration. However, the reconstruction of vertical ridge deficiencies is still a major challenge for dental implants. This study introduced a novel treatment strategy by infusing poly(D,L-lactide-co-glycolide) (PLGA) microspheres encapsulating bone morphogenetic protein-2 (BMP-2) within a gelatin/hydroxyapatite/β-tricalcium phosphate (gelatin/HA/β-TCP) cryogel composite to facilitate supra-alveolar ridge augmentation...
February 27, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28254121/corrigendum-to-evaluation-of-mechanical-strengths-of-three-types-of-mini-implants-in-artificial-bones-kaohsiung-j-med-sci%C3%A2-33-2-2017-96-101
#17
Yu-Chuan Tseng, Ju-Hui Wu, Chun-Chan Ting, Hong-Sen Chen, Chun-Ming Chen
No abstract text is available yet for this article.
March 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28253489/treatment-of-anterior-open-bite-with-a-mini-implant-supported-tongue-crib
#18
Ajit J Kalia
No abstract text is available yet for this article.
January 2017: Journal of Clinical Orthodontics: JCO
https://www.readbyqxmd.com/read/28251839/urolithin-b-a-newly-identified-regulator-of-skeletal-muscle-mass
#19
Julie Rodriguez, Nicolas Pierre, Damien Naslain, Françoise Bontemps, Daneel Ferreira, Fabian Priem, Louise Deldicque, Marc Francaux
BACKGROUND: The control of muscle size is an essential feature of health. Indeed, skeletal muscle atrophy leads to reduced strength, poor quality of life, and metabolic disturbances. Consequently, strategies aiming to attenuate muscle wasting and to promote muscle growth during various (pathological) physiological states like sarcopenia, immobilization, malnutrition, or cachexia are needed to address this extensive health issue. In this study, we tested the effects of urolithin B, an ellagitannin-derived metabolite, on skeletal muscle growth...
March 1, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28247077/s2-alar-iliac-screw-placement-under-robotic-guidance-for-adult-spinal-deformity-patients-technical-note
#20
Seung-Jae Hyun, Ki-Jeong Kim, Tae-Ahn Jahng
PURPOSE: S2 alar-iliac (S2AI) screws are generally placed using an open approach, but have recently been shown to be implantable using a minimally invasive approach. Nevertheless, optimal screw positioning, even when supported by fluoroscopic guidance, is challenging in the complex anatomy of the sacral-pelvic area. This work presents our novel technique of S2AI sacropelvic fixation procedures performed with robotic guidance. METHODS: This was a single-center, retrospective, mini case-series of adult spinal deformity patients in need of sacropelvic fixation as part of a longer thoraco-lumbar fusion...
February 28, 2017: European Spine Journal
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