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https://www.readbyqxmd.com/read/28816291/-influence-of-the-interforaminal-arch-form-of-edentulous-mandibles-on-design-of-all-on-4-preliminary-research-based-on-conebeam-computed-tomography
#1
S Y Li, G Li, H L Feng, S X Pan
OBJECTIVE: To classify the interforaminal arch form of edentulous mandibles by measuring the anterior-posterior distance (A-P distance) of implants planned to be inserted in "All-on-4" protocol using conebeam computed tomography (CBCT) data, and to investigate the influence of the arch form on the "All-on-4" distally tilted implants. METHODS: Seventy-four CBCT images of edentulous mandibles were collected, including 35 males and 39 females respectively. "All-on-4"implant supported fixed prostheses were designed for these patients based on the CBCT data...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28798441/minimal-intervention-management-of-the-older-patient
#2
L J Walsh
With an aging population, dentists need to be aware of the risks which come to their elderly patients from retained teeth and exposed root surfaces. Oral health problems in the later years of life are multifactorial, with lifestyle, plaque and salivary factors remaining paramount. Root surface caries is likely to present a challenge in patients with a strong history of past coronal caries (and who have the attendant lifestyle risk factors) as well as in elderly patients who suddenly develop salivary hypofunction...
August 11, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28798392/new-findings-in-a-400-million-year-old-devonian-placoderm-shed-light-on-jaw-structure-and-function-in-basal-gnathostomes
#3
Yuzhi Hu, Jing Lu, Gavin C Young
Arthodire placoderms have been proposed as the sister group of Chinese 'maxillate' placoderms plus all the more crownward gnathostomes. These basal groups provide key information for understanding the early evolution of jaws. Here, we test previous assumptions about placoderm jaw structure and function by using high-resolution computed tomography, digital dissection, and enlarged 3D printouts on a unique articulated 400 million-year-old buchanosteid arthrodire. The upper jaw has a double ethmoid and a palatobasal connection, but no otic connection; the dermal bone attachment for the quadrate is different to other placoderms...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28792097/a-closer-lens-cancer-survivors-supportive-intervention-preferences-and-interventions-received
#4
Joanna J Arch, Rachel Vanderkruik, Alex Kirk, Alaina L Carr
BACKGROUND: Cancer survivor preferences for formal interventions designed to provide psychological support remain relatively unknown. To address this gap, we evaluated cancer survivors' preferences for psychological intervention, whom they preferred to recommend such intervention, and how their preferences compared with what they currently received. METHODS: U.S. cancer survivors (n = 345) who were at least 2 months post-treatment for diverse forms of cancer were recruited online to complete a survey study...
August 9, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28782099/knowledge-perceptions-and-clinical-application-of-the-shortened-dental-arch-concept-among-malaysian-government-dentists
#5
Siti Kamilah Mohd Kasim, Ishak Abdul Razak, Zamros Yuzadi Mohd Yusof
AIM: To assess the knowledge and perceptions of Malaysian government dentists regarding the shortened dental arch (SDA) concept and its application in clinical practice. BACKGROUND: The SDA concept refers to a specific type of dentition with intact anterior teeth and a reduction in posterior occlusal pairs. Dentists' knowledge and perceptions of the SDA concept can influence its application in clinical practice. METHODS: A self-administered questionnaire on the SDA concept was distributed to 326 government dentists in the states of Selangor and Kuala Lumpur, Malaysia...
August 7, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28776674/skeletal-ontogeny-of-the-vertebral-column-and-of-the-fins-in-shi-drum-umbrina-cirrosa-teleostei-perciformes-sciaenidae-a-new-candidate-species-for-aquaculture
#6
M Neofytou, D G Sfakianakis, G Koumoundouros, C C Mylonas, M Kentouri
The osteological development of the vertebral column and fins in shi drum Umbrina cirrosa was studied in order to improve knowledge for its introduction in Mediterranean aquaculture. The osteological development was studied in 171 individuals, of total length (LT ) from 2·7 to 30·2 mm that were reared under the mesocosm technique. Vertebral ontogeny starts at 3·4 and 4·0 mm LT , with the formation of the first cartilaginous neural and haemal arches, and spines, respectively, and is completed with the full attainment of epicentrals (12·5 mm LT )...
August 3, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28772024/biomechanical-behavior-of-titanium-and-zirconia-frameworks-for-implant-supported-full-arch-fixed-dental-prosthesis
#7
Rodrigo Tiossi, Érica Alves Gomes, Adriana Cláudia Lapria Faria, Renata Cristina Silveira Rodrigues, Ricardo Faria Ribeiro
BACKGROUND: The biomechanical behavior of implant-supported titanium and zirconia full-arch fixed dental prosthesis (FAFDP) frameworks require further investigation. PURPOSE: Strains transferred by implant-supported titanium (Ti) and zirconia (Zr) FAFDP frameworks were analyzed. MATERIALS AND METHODS: Maxillary 14-unit FAFDPs supported by 6 implants and 12-unit FAFDPs supported by 4 implants were tested. One-piece frameworks were fabricated by computer-aided design/computer-aided manufacturing...
August 2, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28763715/adding-an-arch-support-to-a-heel-lift-improves-stability-and-comfort-during-gait
#8
Xianyi Zhang, Bo Li, Kun Hu, Qiufeng Wan, Yuhao Ding, Benedicte Vanwanseele
Heel lifts have been widely used as a conservative treatment for some musculoskeletal problems and complaints. However, the heel rise caused by heel lifts may also affect the plantar pressure distribution and stability during walking. This study aimed to test whether adding an arch support to a heel lift would improve its stability and comfort through comparing the center of pressure (COP) during walking and subjective ratings between heel lifts with and without an arch support. Fifteen healthy male participants were asked to walk along an 8m walkway while wearing high-cut footwear with the control heel lifts and the heel lifts with an arch support...
July 21, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28762509/vertebral-column-regionalisation-in-chinook-salmon-oncorhynchus-tshawytscha
#9
A De Clercq, M R Perrott, P S Davie, M A Preece, B Wybourne, N Ruff, A Huysseune, P E Witten
Teleost vertebral centra are often similar in size and shape, but vertebral-associated elements, i.e. neural arches, haemal arches and ribs, show regional differences. Here we examine how the presence, absence and specific anatomical and histological characters of vertebral centra-associated elements can be used to define vertebral column regions in juvenile Chinook salmon (Oncorhynchus tshawytscha). To investigate if the presence of regions within the vertebral column is independent of temperature, animals raised at 8 and 12 °C were studied at 1400 and 1530 degreedays, in the freshwater phase of the life cycle...
July 31, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28753895/oestradiol-releasing-biodegradable-mesh-stimulates-collagen-production-and-angiogenesis-an-approach-to-improving-biomaterial-integration-in-pelvic-floor-repair
#10
Naşide Mangır, Christopher J Hillary, Christopher R Chapple, Sheila MacNeil
BACKGROUND: Polypropylene meshes cause severe complications in some patients. Materials that are biomechanically compatible and can better integrate into host tissues are urgently needed. OBJECTIVE: To design an oestradiol-releasing electrospun poly-l-lactic acid (PLA) mesh and evaluate its ability to stimulate new extracellular matrix and new blood vessel formation. DESIGN, SETTING, AND PARTICIPANTS: Human adipose derived mesenchymal cells (ADMSC) were isolated from fat...
June 3, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28750652/awareness-attitudes-need-and-demand-on-replacement-of-missing-teeth-among-a-group-of-partially-dentate-patients-attending-a-university-dental-hospital
#11
Rasika Manori Jayasinghe, Janana Perera, Vajira Jayasinghe, Indika P Thilakumara, Sumudu Rasnayaka, Muhammad Hanafi Muhammad Shiraz, Indra Ranabahu, Sanjeewa Kularatna
OBJECTIVE: Our objective was to assess awareness, attitudes, need and demand on replacement of missing teeth according to edentulous space, age, gender, ethnicity, educational level and socio-economical status of the patient. RESULTS: 76.2% of the study group was opined that the missing teeth should be replaced by prosthetic means. Majority were keen in getting them replaced mainly for the comfort in mastication. Although 77.9 and 32.9% were aware of the removable prostheses and implants respectively, only 25...
July 27, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28746493/miniscrew-assisted-rapid-palatal-expansion-for-managing-arch-perimeter-in-an-adult-patient
#12
Amanda Carneiro da Cunha, Hisun Lee, Lincoln Issamu Nojima, Matilde da Cunha Gonçalves Nojima, Kee-Joon Lee
Introduction: Etiology of dental crowding may be related to arch constriction in diverse dimensions, and an appropriate manipulation of arch perimeter by intervening in basal bone discrepancies cases, may be a key for crowding relief, especially when incisors movement is limited due to underlying pathology, periodontal issues or restrictions related to soft tissue profile. Objectives: This case report illustrates a 24-year old woman, with maxillary transverse deficiency, upper and lower arches crowding, Class II, division 1, subdivision right relationship, previous upper incisors traumatic episode and straight profile...
May 2017: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/28746465/orofacial-characteristics-of-functionally-independent-elders
#13
Danielle Nunes Moura Silva, Erica de Araújo Brandão Couto, Helena Maria Gonçalves Becker, Maria Aparecida Camargos Bicalho
Purpose: to understand the main orofacial characteristics of functionally independent elderly individuals and to investigate their association with age, gender, socioeconomic level, and dental status. Methods: an observational, cross-sectional, and analytical study was carried out with a non-probabilistic sample. Inclusion criteria: minimum age of 60 years, individual in good health conditions according to a pre-established protocol published by the health care service...
July 20, 2017: CoDAS
https://www.readbyqxmd.com/read/28744757/six-implant-supported-immediate-fixed-rehabilitation-of-atrophic-edentulous-maxillae-with-tilted-distal-implants
#14
S Wentaschek, S Hartmann, C Walter, W Wagner
BACKGROUND: The aim of this retrospective study was to evaluate the treatment outcome of six Bredent blueSky™ implants (Bredent GmbH, Senden, Germany) immediately loaded with a fixed full-arch prosthesis (two tilted posterior and four axial frontal and premolar implants). METHODS: All 10 patients with atrophic edentulous maxillae being treated with a standardized procedure from 09/2009 to 01/2013, who had a follow-up of at least 3 years, were included. Sixty implants were placed to support 10 screwed prostheses...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28743654/endografting-under-assistance-of-trans-apical-body-floss-through-and-through-wiring-technique-and-rapid-ventricular-pacing-for-an-ascending-aortic-tuberculous-pseudoaneurysm
#15
Wan-Chi Chiang, Emily Ling-Lin Pai, Po-Lin Chen, Chun-Che Shih, I-Ming Chen
PURPOSE: To demonstrate the successful treatment of an ascending aortic tuberculous pseudoaneurysm using endografts through the transapical body floss wiring technique with rapid ventricular pacing support. CASE REPORT: A 77-year-old woman with a nonhealing anteromedial chest wound presented with sudden hypotension and hemoptysis. A computed tomography (CT) scan revealed a 9-cm-diameter pseudoaneurysm of the ascending aorta with sternal erosion near the wound. Conventional open repair was not preferred because of possible contamination of the interposition graft and difficult sternum closure...
July 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28742605/predictors-of-the-biomechanical-effects-of-customized-foot-orthoses-in-adults-with-flat-arched-feet
#16
John B Arnold, Thomas May, Christopher Bishop
OBJECTIVE: To determine the potential presence and characteristics of biomechanical responders to customized foot orthoses during walking in adults with flat-arched feet. DESIGN: Experimental, repeated-measures. SETTING: University clinic and laboratory. PARTICIPANTS: Eighteen symptom-free adults with flat-arched feet. INTERVENTIONS: Customized foot orthoses. MAIN OUTCOME MEASURES: In-shoe foot biomechanics were measured during walking with and without customized foot orthoses using 3D analysis...
July 21, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28720339/in%C3%A2-vitro-fit-of-cad-cam-complete-arch-screw-retained-titanium-and-zirconia-implant-prostheses-fabricated-on-4-implants
#17
Hadi Al-Meraikhi, Burak Yilmaz, Edwin McGlumphy, William Brantley, William M Johnston
STATEMENT OF PROBLEM: Computer-aided designed and computer-aided manufactured (CAD-CAM) titanium and zirconia implant-supported fixed implant prostheses on 4 implants have become popular. The precision and accuracy of their interface fit has not been widely researched. PURPOSE: The purpose of this in vitro study was to compare the marginal fit of zirconia and titanium implant-supported screw-retained CAD-CAM complete fixed dental prostheses (CFDP) fit with a standardized cast simulating the all-on-4 implant distribution...
July 15, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28712720/manual-aspiration-thrombectomy-in-patients-with-acute-stroke-related-calcified-cerebral-emboli
#18
Esther Koh, Hyo Sung Kwak, Gyung-Ho Chung
OBJECTIVE: The aim of this study was to evaluate the effectiveness of mechanical aspiration thrombectomy (MAT) in patients with acute ischemic stroke from calcified cerebral emboli. METHODS: Procedural results were reviewed for acute stroke patients with clinically neurological deficits who underwent recanalization from October 2012 through September 2015. Initial imaging studies and cerebral angiography were analyzed. RESULTS: Of the total number of patients with acute stroke, 5 patients were confirmed to have acute ischemic stroke by calcified cerebral emboli...
July 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28710081/use-of-a-next-generation-multi-durometer-long-guide-sheath-for-triaxial-access-in-flow-diversion-experience-in-95-consecutive-cases
#19
Li-Mei Lin, Matthew T Bender, Geoffrey P Colby, Narlin B Beaty, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Alexander L Coon
BACKGROUND: Intracranial access techniques in modern neurointerventions have shifted towards more robust access platforms. The long guide sheath is one of the building blocks of triaxial systems used in intracranial embolizations. Here we present our experience with the AXS Infinity LS long sheath in the triaxial platform for the implantation of the Pipeline embolization device (PED). METHODS: We retrospectively identified patients who underwent PED Flex treatment with the AXS Infinity LS at a single institution...
July 14, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28709679/the-all-on-4-modified-polyetheretherketone-treatment-approach-a-clinical-report
#20
Panagiotis Zoidis
A modified polyetheretherketone (PEEK) implant framework material in combination with prefabricated high-impact poly(methyl methacrylate) (PMMA) veneers was used as an alternative material for the fabrication of a complete maxillary arch implant-supported fixed restoration. The elastic performance of the PEEK framework (elastic modulus of 4 GPa) combined with PMMA veneers may reduce the occlusal forces, protecting the implant-supported restoration and the opposing dentition, especially in all-on-4 treatments, where lack of proprioception and wide interimplant distance are present...
July 11, 2017: Journal of Prosthetic Dentistry
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