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https://www.readbyqxmd.com/read/29684638/medication-related-osteonecrosis-of-the-jaw-a-survey-of-knowledge-attitudes-and-practices-among-dentists-in-the-principality-of-asturias-spain
#1
M Escobedo, L García-Consuegra, S Junquera, S Olay, G Ascani, L Junquera
INTRODUCTION: The objective of this study was to investigate the knowledge and capabilities of dentists and dental students in their last year of study in regard to risk factors of medication-related osteonecrosis of the jaw (MRONJ) in Spain. MATERIAL AND METHOD: We conducted a cross-sectional study consisting of a questionnaire survey in Asturias, Spain. The study was divided into three groups: dentists who worked for the public dental health care system (n=32), dentists who worked exclusively as private health care practitioners (n= 136), and dental students in their last year (year five) of study (n= 38)...
April 20, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29684623/decoration-of-rgd-mimetic-porous-scaffolds-with-engineered-and-devitalized-extracellular-matrix-for-adipose-tissue-regeneration
#2
Eleonora Rossi, Julien Guerrero, Paola Aprile, Alessandro Tocchio, Elisabeth A Kappos, Cristina Lenardi, Ivan Martin, Arnaud Scherberich
Fat grafting is emerging as a promising alternative to silicon implants in breast reconstruction surgery. Unfortunately, this approach does not provide a proper mechanical support and is affected by drawbacks such as tissue resorption and donor site morbidity. Synthetic scaffolds can offer a valuable alternative to address these challenges, but poorly recapitulate the biochemical stimuli needed for tissue regeneration. Here, we aim at combining the positive features of a structural, synthetic polymer to an engineered, devitalized extracellular matrix (ECM) to generate a hybrid construct that can provide a mix of structural and biological stimuli needed for adipose tissue regeneration...
April 20, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29684328/visual-outcomes-after-implantation-of-a-segmental-refractive-multifocal-intraocular-lens-following-cataract-surgery
#3
Thomas Kohnen, Eva Hemkeppler, Michael Herzog, Sabrina Schönbrunn, Nina DeLorenzo, Kerstin Petermann, Myriam Böhm
PURPOSE: To evaluate visual outcomes with particular attention to intermediate visual acuity (VA), of a segmental refractive multifocal intraocular lens (IOL) with optimized depth of focus (DoF) DESIGN: Prospective, noncomparative case series. METHODS: Setting: Department of Ophthalmology, Goethe University, Frankfurt/Germany. PATIENT OR STUDY POPULATION: Fifty eyes (25 patients) were included. INCLUSION CRITERIA: bilateral cataract, age >45 years, corneal astigmatism ≤0...
April 20, 2018: American Journal of Ophthalmology
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/29683889/alterations-of-vascular-endothelial-growth-factor-a-expression-and-microvessel-density-associated-with-polypropylene-vaginal-mesh
#6
Joseph T Kowalski, Michael J Goodheart, Rene Genadry, Ava Bhattarai, Catherine S Bradley
OBJECTIVE: Vaginal mesh exposure is the most common complication from mesh use in prolapse and incontinence surgery. Angiogenesis is an essential component of tissue healing, and defective angiogenesis plays a role in chronic wounds. We hypothesized that patients with exposures will have impaired angiogenesis as evidenced by altered tissue vascular endothelial growth factor A (VEGFA) expression and microvessel density. The study objective was to compare angiogenesis in women with vaginal mesh exposures, those with vaginal mesh without exposures, and in women who were mesh-naive...
April 20, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29683822/the-brachiocephalic-vein-as-a-safe-and-viable-alternative-to-internal-jugular-vein-for-central-venous-cannulation
#7
Paolo Federico Beccaria, Simona Silvetti, Rosalba Lembo, Giovanni Landoni, Giacomo Monti, Massimo Zambon, Daniela Mamo, Alberto Zangrillo
BACKGROUND: Although many studies have compared success and complication rates for central line insertion sites with and without ultrasound, few have examined the use of the brachiocephalic vein for central venous access. The aim of this study was to describe the brachiocephalic vein as an alternative site for elective ultrasound vascular cannulation in adults, and to compare it with the more commonly used internal jugular vein site in terms of procedural difficulties, first pass failure rate, overall failure rate, and safety...
April 19, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29683803/is-cemented-or-cementless-femoral-stem-fixation-more-durable-in-patients-older-than-75-years-of-age-a-comparison-of-the-best-performing-stems
#8
Michael Tanzer, Stephen E Graves, Andrea Peng, Andrew J Shimmin
BACKGROUND: There is ongoing debate concerning the best method of femoral fixation in older patients receiving primary THA. Clinical studies have shown high survivorship for cemented and cementless femoral stems. Arthroplasty registry studies, however, have universally shown that cementless stems are associated with a higher rate of revision in this patient population. It is unclear if the difference in revision rate is a reflection of the range of implants being used for these procedures rather than the mode of fixation...
April 9, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29683498/advanced-platelet-rich-fibrin-and-freeze-dried-bone-allograft-for-ridge-preservation-a-randomized-controlled-clinical-trial
#9
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/29683031/32-mm-ceramic-on-ceramic-total-hip-arthroplasty-versus-28-mm-ceramic-bearings-5-to-15-year-follow-up-study
#10
Yoshitoshi Higuchi, Taisuke Seki, Yukiharu Hasegawa, Yasuhiko Takegami, Daigo Morita, Naoki Ishiguro
INTRODUCTION: This study aimed to compare the clinical and radiographic results of 28-mm ceramic-on-ceramic (CoC) total hip arthroplasty (THA) to those of 32-mm CoC during a 5- to 15-year follow-up period. METHODS: 107 joints (95 women and 6 men) underwent 28-mm CoC, and 60 (49 women and 7 men) underwent 32-mm CoC. The average patient age at the time of surgery was 56.1 and 55.7 years in the 28-mm and 32-mm CoC groups, respectively. Clinical and radiologic measurements of all patients were analysed...
April 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29682895/electrophoretic-deposited-stable-chitosan-mos-2-coating-with-rapid-in-situ-bacteria-killing-ability-under-dual-light-irradiation
#11
Zizhou Feng, Xiangmei Liu, Lei Tan, Zhenduo Cui, Xianjin Yang, Zhaoyang Li, Yufeng Zheng, Kelvin Wai Kwok Yeung, Shuilin Wu
Developing in situ disinfection methods in vivo to avoid drug-resistant bacteria and tissue toxicity is an urgent need. Here, the photodynamic and photothermal properties of the chitosan-assisted MoS2 (CS@MoS2 ) hybrid coating are simultaneously inspired to endow metallic Ti implants with excellent surface self-antibacterial capabilities. This coating, irradiated by only 660 nm visible light (VL) for 10 min, exhibits an antibacterial efficacy of 91.58% and 92.52% against Escherichia coli (E. coli) and Staphylococcus aureus (S...
April 22, 2018: Small
https://www.readbyqxmd.com/read/29682688/what-is-the-benefit-of-using-amniotic-membrane-in-oral-surgery-a-comprehensive-review-of-clinical-studies
#12
REVIEW
M Fénelon, S Catros, J C Fricain
OBJECTIVES: Since its first use for the reconstruction of tissue defects in the oral cavity in 1985, human amniotic membrane (hAM) has been widely studied in the field of oral surgery. Despite the growing number of publications in this field, there is no systematic review or meta-analysis concerning its clinical applications, outcome assessments, and relevance in oral surgery. The aim of this review is to provide a thorough understanding of the potential use of hAM for soft and hard tissue reconstruction in the oral cavity...
April 22, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29682573/antibody-mediated-osseous-regeneration-for-bone-tissue-engineering-in-canine-segmental-defects
#13
A Khojasteh, S Hosseinpour, M M Dehghan, F Mashhadiabbas, M Rezai Rad, S Ansari, S Farzad Mohajeri, H H Zadeh
Among many applications of therapeutic monoclonal antibodies (mAbs), a unique approach for regenerative medicine has entailed antibody-mediated osseous regeneration (AMOR). In an effort to identify a clinically relevant model of craniofacial defect, the present study investigated the efficacy of mAb specific for bone morphogenetic protein- (BMP-) 2 to repair canine segmental mandibular continuity defect model. Accordingly, a 15 mm unilateral segmental defect was created in mandible and fixated with a titanium plate...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29682552/prefabricated-bar-system-for-immediate-loading-in-edentulous-patients-a-5-year-follow-up-prospective-longitudinal-study
#14
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
#15
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/29682263/positioning-of-a-contextual-implant-along-with-a-sinus-lift-anchored-with-a-block-of-heterologous-bone
#16
F Secondo, C F Grottoli, I Zollino, G Perale, D Lauritano
During a sinus lift procedure the main requirement in order to position an implant is to have a maxillary sinus floor cortical bone thick enough to guarantee a primary stability in the implant inserted. In this way, the healing process is facilitated and osseointegration of the titanium surface may occur simultaneously, thus reducing the waiting time for the engraftment of the implant into the body. Unfortunately, these conditions are not always present. Hence, the need of developing an alternative approach that could simultaneously allow to perform sinus floor elevation along with an implant placement...
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
#17
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/29682119/double-inferior-vena-cava-with-azygos-continuation-and-retroaortic-left-renal-vein-associated-with-juxtarenal-abdominal-aortic-aneurysm-surgery
#18
Koji Onoda, Yu Shomura, Takuya Komada
The combination of a double inferior vena cava (IVC), a retroaortic left renal vein, and azygos continuation of the IVC is extremely rare. Here we report the case of a 74-year-old man with this complex venous anomaly associated with a juxtarenal abdominal aortic aneurysm (AAA), who underwent a successful graft implantation with left renal artery reconstruction without injuring the retroaortic venous system. The venous anomaly was diagnosed using preoperative contrast-enhanced computed tomography (CT). Thus, contrast-enhanced CT can provide sufficient information on AAA and anomalous venous anatomy to avoid fatal complications during AAA surgery...
March 25, 2018: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29682052/venous-air-embolism-during-endoscopic-third-ventriculostomy
#19
Renu Bala, Mihir P Pandia
Neuroendoscopic procedures are increasingly performed nowadays due to the significant technological improvement of endoscopic instrumentation. It carries various advantages such as speed, simplicity, avoidance of implants, and no brain dissection or retraction. Although considered to be safe, it is associated with a host of complications. We hereby report a case of venous air embolism in an infant who was undergoing endoscopic third ventriculostomy. The complication occurred at the completion of surgery when surgeons were withdrawing the endoscope...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29681960/first-uses-of-haart-300-rings-for-aortic-valve-repair-in-poland-4-case-studies
#20
Jacek H Juściński, Andrzej Koprowski, Magdalena Kołaczkowska, Maciej M Kowalik, Jan A Rogowski, James S Rankin
Introduction: Aortic valve reconstructions using geometric annuloplasty rings HAART 300/200 open new era in aortic valve surgery. The HAART technology resizes, reshapes, stabilizes and simplifies aortic valve repair. The HAART aortic repair rings are designed to be implanted directly into aortic annulus (under aortic valve leaflets). Aim: We present first in Poland 4 cases of aortic valve reconstructions using geometric annuloplasty rings HAART 300. Material and methods: Two patients had type IA aortic insufficiency (due to El-Khoury classification) - they were treated by HAART 300 ring insertion and ascending aorta prosthesis implantation...
March 2018: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
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