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https://www.readbyqxmd.com/read/27889076/impression-technique-for-a-complete-arch-prosthesis-with-multiple-implants-using-additive-manufacturing-technologies
#1
Marta Revilla-León, José Luis Sánchez-Rubio, Jesús Oteo-Calatayud, Mutlu Özcan
This article describes an impression technique for a complete-arch prosthesis supported by multiple implants where additive manufacturing technologies were used to fabricate a splinting framework and a custom tray. The technique presented uses a shim method to control the homogenous splinting acrylic resin and impression material during the procedure, thereby reducing laboratory and chairside time and the number of impression copings and laboratory analogs needed.
November 23, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27879598/alveolar-bone-grafting-and-cleft-lip-and-palate-a-review
#2
E Hope Weissler, Kaitlyn M Paine, Mairaj K Ahmed, Peter J Taub
Alveolar bone grafting in the mixed dentition stage is an accepted step in the management of cleft alveoli, providing maxillary arch support for dentition and mastication. Points of contention regarding best practices remain, including specific timing, perioperative orthodontic management, bone harvest and substitutes, pain management, and outcomes evaluations. SCOPUS and MEDLINE were searched for articles about alveolar bone grafting, which were read independently by two authors and selected for inclusion on the basis of relevance and merit...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27871702/comparison-of-direct-and-indirect-skeletal-anchorage-systems-combined-with-2-canine-retraction-techniques
#3
Serkan Ozkan, Mehmet Bayram
INTRODUCTION: We compared the effectiveness of 2 canine retraction springs and anchorage systems (direct and indirect skeletal anchorage) in patients requiring first premolar extractions and maximum anchorage in the maxilla. METHODS: Thirty-six patients were included (17 male, 19 female; mean age, 16.8 ± 2.4 years). A mini-implant-supported Nance appliance with indirect skeletal anchorage system was used in 18 patients and a mini-implant-supported direct skeletal anchorage system in the remaining patients...
November 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27870345/betwixt-and-between-intracranial-perspective-on-zygomatic-arch-plasticity-and-function-in-mammals
#4
Erin M Franks, Nathan E Holton, Jeremiah E Scott, Kevin R McAbee, Jason T Rink, Kazune C Pax, Adam C Pasquinelly, Joseph P Scollan, Meghan M Eastman, Matthew J Ravosa
The zygomatic arch is morphologically complex, providing a key interface between the viscerocranium and neurocranium. It also serves as an attachment site for masticatory muscles, thereby linking it to the feeding apparatus. Though morphological variation related to differential loading is well known for many craniomandibular elements, the adaptive osteogenic response of the zygomatic arch remains to be investigated. Here, experimental data are presented that address the naturalistic influence of masticatory loading on the postweaning development of the zygoma and other cranial elements...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27865618/actinidia-arguta-supplementation-protects-aorta-and-liver-in-rats-with-induced-hypercholesterolemia
#5
Maria Leontowicz, Hanna Leontowicz, Iwona Jesion, Wojciech Bielecki, Katarzyna Najman, Piotr Latocha, Yong-Seo Park, Shela Gorinstein
There are no published results focusing on the study of hardy kiwifruit as a supplementation to the atherogenic diet. We hypothesized that hardy kiwifruit (Actinidia arguta (A. arguta)) from Poland possess better pro-healthy action than two Asian varieties (Hayward and Bidan). We tested this hypothesis by measuring the metabolic reactions of rats loaded with 1% cholesterol and supplemented with 5% of hardy kiwifruit (A. arguta), Hayward, or Bidan in their diets. The experiment was performed on 71 male Wistar rats...
September 30, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27861668/ceramic-veneered-zirconia-frameworks-in-full-arch-implant-rehabilitations-a-6-month-to-5-year-retrospective-cohort-study
#6
João Manuel Mendez Caramês, António Duarte Sola Pereira da Mata, Duarte Nuno da Silva Marques, Helena Cristina de Oliveira Francisco
PURPOSE: This was a retrospective cohort study designed to evaluate the clinical performance of ceramic-veneered zirconia frameworks. MATERIALS AND METHODS: Patients were recruited according to defined inclusion criteria. All patients were checked every 4 months from the time of definitive rehabilitation. At the end of 2013, all patients were rescheduled and rechecked for study purposes. The restorative procedures assessment was performed by previously established methods...
November 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27858680/comparing-the-efficacy-of-exercise-internal-and-external-shoe-modification-in-pes-planus-a-clinical-and-pedobarographic-study
#7
Ozgur Taspinar, Derya Demirbag Kabayel, Ferda Ozdemir, Hakan Tuna, Yasar Keskin, Oznur Berke Mercimek, Necdet Süt, Selcuk Yavuz, Filiz Tuna
Pes planus is a condition that can cause pain along the innerfoot due to the absence or abnormal depression of the longitudinal arch. There are few studies available that compare therapy modalities used in these patients. In our study, those treated with conservative therapies - internal and external shoe modifications and pes planus exercises - were compared clinically and pedobarographyically. 60 pes planus patients were included in the study. In the first group; internal modification was performed by placing a medial longitudinal arch support inside the shoe...
November 11, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27857100/factors-affecting-the-complexity-of-dental-implant-restoration-what-is-the-current-evidence-and-guidance
#8
S P Wright, J Hayden, J A Lynd, K Walker-Finch, J Willett, C Ucer, S D Speechley
Objectives The aim of this paper is to identify the factors that affect the complexity of implant restoration and to explore the indices that help us to assess it. With this knowledge the growing number of clinicians restoring dental implants will have a better understanding of the available guidance and evidence base, and the differing levels of competence required.Study design A literature review was conducted. The selection of publications reporting on complexity was based on predetermined criteria and was agreed upon by the authors...
November 18, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27843652/implant-retained-obturator-for-an-edentulous-patient-with-a-hemimaxillectomy-defect-complicated-with-microstomia
#9
Pravinkumar G Patil, Smita Nimbalkar-Patil
Patient. A 68-year-old man was operated on for squamous cell carcinoma (T3N3M0) of the maxilla creating the hemimaxillary surgical defect on right side. The remaining arch was completely edentulous. There was remarkable limitation in the oral opening with reduced perimeter of the oral cavity due to radiation and surgical scar contracture. This article describes prosthetic rehabilitation by modifying the design of the obturator and achieving the retention with dental implant. Discussion. Severe limitation in the oral opening may occur in clinical situations following the postsurgical management of oral and maxillofacial defects...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27825056/care-provision-during-termination-of-pregnancy-following-diagnosis-of-a-severe-congenital-anomaly-a-qualitative-study-of-what-is-important-to-parents
#10
Robyn Lotto, Natalie Armstrong, Lucy K Smith
OBJECTIVE: to understand the experiences of women and their partners following the decision to terminate a pregnancy affected by a severe congenital anomaly DESIGN: qualitative semi-structured interviews with a purposive sample of women and their partners who underwent a termination of pregnancy following diagnosis of a severe congenital anomaly. SETTING: women referred to four fetal medicine centres across two hospital trusts. ANALYSIS: data analysis was based on the constant comparative approach...
December 2016: Midwifery
https://www.readbyqxmd.com/read/27816303/ventricular-function-and-ventriculo-arterial-coupling-after-palliation-of-hypoplastic-left-heart-syndrome-a-comparative-study-with-fontan-patients-with-lv-morphology
#11
J Logoteta, C Ruppel, J H Hansen, G Fischer, K Becker, H-H Kramer, A Uebing
BACKGROUND: Conceptually the right ventricle (RV) is less suitable to support the Fontan circulation than the left (LV). After palliation of hypoplastic left heart syndrome (HLHS) involving aortic reconstruction during the Norwood procedure the RV is exposed to abnormal afterload. We studied ventricular function and ventriculo-arterial coupling in HLHS patients (RV) and Fontan patients with single LV morphology that did (LV+N) and did not (LV-N) undergo Norwood-type aortic reconstruction...
October 29, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27802880/surface-induced-three-peak-elution-behavior-of-a-monoclonal-antibody-during-cation-exchange-chromatography
#12
Jing Guo, Arch D Creasy, Gregory Barker, Giorgio Carta
A monoclonal antibody exhibits a two- or three-peak elution behavior when loaded on the CEX resin POROS XS and eluted with a salt gradient. Two peaks are observed without a hold step while a third more strongly retained peak becomes noticeable with a hold time as low as 10min. As the hold time is increased further, the first peak gradually disappears, the second peak initially increases and then decreases, and the third peak continuously increases. Dynamic light scattering shows that the third peak contains significant levels of aggregates formed in the column...
October 26, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27788849/outcomes-of-endovascular-repair-of-ascending-aortic-dissection-in-patients-unsuitable-for-direct-surgical-repair
#13
Zhenjiang Li, Qingsheng Lu, Rui Feng, Jian Zhou, Zhiqing Zhao, Junmin Bao, Xiang Feng, Jiaxuan Feng, Yifei Pei, Chao Song, Zaiping Jing
BACKGROUND: Stent grafting is a therapeutic option for patients who are unable to undergo urgent surgical repair of ascending aortic dissections. However, follow-up regarding outcomes is limited. OBJECTIVES: This study reports mid-term outcomes with endovascular repair for ascending aortic dissections in patients deemed high risk for open repair. METHODS: Between May 1, 2009 and January 31, 2011, 15 ascending aortic dissection patients (ages 45 to 78 years) ineligible for direct surgical repair underwent endovascular repair (1 acute dissection, 7 subacute dissections, and 7 chronic dissections) and were closely followed up for a median of 72 months (range 61 to 81 months)...
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27785586/the-randomized-shortened-dental-arch-study-influence-of-two-different-treatments-on-interdental-spacing-over-5%C3%A2-years
#14
Jaana-Sophia Kern, Stefan Wolfart, Ralf-Dieter Hilgers, Birgit Marré, Herbert Scheller, Jörg Strub, Klaus Böning, Wolfgang Hannak, Ralph G Luthardt, Guido Heydecke, Jan Huppertz, Peter Pospiech, Bernd Wöstmann, Helmut Stark, Torsten Mundt, Florentine Jahn, Matthias Kern, Daniel Edelhoff, Michael H Walter
OBJECTIVES: Being a secondary outcome in a multicenter randomized controlled trial, the present analysis focused on interdental spacing in the shortened dental arch (SDA). The aim was to evaluate changes in interdental spacing in dependence of two different treatments after an observation period of up to 5 years. MATERIAL AND METHODS: Patients were either treated with a partial removable dental prosthesis (PRDP) for molar replacement (PRDP group) or according to the SDA concept aiming at a premolar occlusion (SDA group) in a randomized manner...
October 26, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27783198/computer-guided-technique-evaluation-of-the-bony-palate-for-planning-individual-implant-placement
#15
Pinar Cagimni, Figen Govsa, Mehmet Asim Ozer, Zuhal Kazak
OBJECTIVE: Different clinical problems may require a surgical approach to the dental arch, such as dentofacial orthopedics, implant-supported dental prothesis, maxillary orthodontics protraction, removable appliances, and posttraumatic dental reconstruction. The aim of this study is to analyze the dental arch size and type for supporting individual dental protheses. MATERIALS AND METHODS: In this study, the reference measurements on the length of the bony palate, maxillary intercanine width, maxillary intermolar width, and the ratio of the maxillary to the palatinal surface were studied in 120 bony palates using a computer software program...
October 25, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27780685/a-new-operative-method-for-obtaining-full-arch-prostheses-for-immediate-loading-dental-implants
#16
Guilherme Paulo Scarpel de Mello, Elaine Duarte Artuso de Mello, Pedro Henrique Corazza
PURPOSE: Implant supported full-arch immediate prosthesis (also called the immediate Brånemark protocol) revolutionized dental clinical practice due to the aesthetic/functional benefits it offers to the patient. This work presents a simplified and efficient technique for implant supported full-arch immediate prosthesis fabrication. METHODS: After diagnosing the necessity of the protocol, the implants were installed with a minimum torque of 35Ncm. For implant impression, the use of previously prepared castable cylinders (dispensing with impression posts), and a U-shaped acrylic (Mello technique) generated a cast without distortion...
October 22, 2016: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/27780578/moderate-hypothermia-at-warmer-temperatures-is-safe-in-elective-proximal-and-total-arch-surgery-results-in-665-patients
#17
Ourania Preventza, Joseph S Coselli, Andrea Garcia, Sarang Kashyap, Shahab Akvan, Katherine H Simpson, Matt D Price, Faisal G Bakaeen, Lorraine D Cornwell, Shuab Omer, Kim I de la Cruz, Scott A LeMaire, Denton A Cooley
OBJECTIVE: To evaluate adverse outcomes after elective aortic arch surgery performed at higher or lower temperatures (24.0°C-28.0°C vs 20.1°C-23.9°C) within the wide range of moderate hypothermia. METHODS: Over a 9-year period, a total of 665 patients underwent elective proximal (n = 479) or total (n = 186) arch replacement with moderate hypothermia and antegrade cerebral perfusion. Circulatory arrest was initiated at an actual temperature of 20.1°C to 23...
September 24, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27770938/biological-and-mechanical-characterization-of-carbon-fiber-frameworks-for-dental-implant-applications
#18
Maria Menini, Paolo Pesce, Francesco Pera, Fabrizio Barberis, Alberto Lagazzo, Ludovica Bertola, Paolo Pera
OBJECTIVES: The aim of the present study was to investigate the biocompatibility and mechanical characteristics of dental implant frameworks made of carbon fiber composite. METHODS: The biocompatibility of intact samples and fragments was evaluated by cell count and MTT test according to EN-ISO 10993-5:2009 directions. Destructive and non-destructive mechanical tests were performed in order to evaluate: porosity, static and dynamic elastic modulus of carbon fiber samples...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27762613/effect-of-vibram-fivefingers-minimalist-shoes-on-the-abductor-hallucis-muscle
#19
Nicholas A Campitelli, Scott A Spencer, Kaitlyn Bernhard, Kristen Heard, Alan Kidon
BACKGROUND: This study investigated the effect of Vibram FiveFingers Bikila minimalist shoes on intrinsic foot musculature. We hypothesized that a gradual transition into minimalist shoes will increase the thickness of the abductor hallucis muscle. METHODS: Forty-one individuals were divided into four groups: control (traditional shod) (n = 9), restricted walking in Vibram FiveFingers (n = 11), running in Vibram FiveFingers (n = 10), and unlimited walking in Vibram FiveFingers (n = 11)...
September 2, 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27759404/an-experimental-in-vivo-procedure-for-the-standardised-assessment-of-sealants-retention-over-time
#20
G F Ferrazzano, S Orlando, T Cantile, G Sangianantoni, B Alcidi, M Coda, S Caruso, A Ingenito
AIM: The elaboration of an experimental system to obtain reproducible and comparable photographs of the occlusal surface to monitor sealants retention. MATERIALS AND METHODS: An intraoral camera connected to a computer was used to obtain photos of the occlusal surfaces. A specific software was utilized to perform measurements on archived pictures. An experimental two-part system, consisting of a dental arch support and a camera support, connected to each other through holes and pins, was made to obtain a standardised and reproducible placement of the camera in the mouth...
September 2016: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
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