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https://www.readbyqxmd.com/read/29926939/dental-prostheses-and-tooth-related-factors
#1
Carlo Ercoli, Jack G Caton
OBJECTIVES: This narrative review summarizes the current evidence about the role that the fabrication and presence of dental prostheses and tooth-related factors have on the initiation and progression of gingivitis and periodontitis. FINDINGS: Placement of restoration margins within the junctional epithelium and supracrestal connective tissue attachment can be associated with gingival inflammation and, potentially, recession. The presence of fixed prostheses finish lines within the gingival sulcus or the wearing of partial, removable dental prostheses does not cause gingivitis if patients are compliant with self-performed plaque control and periodic maintenance...
June 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/29926482/dental-prostheses-and-tooth-related-factors
#2
Carlo Ercoli, Jack G Caton
OBJECTIVES: This narrative review summarizes the current evidence about the role that the fabrication and presence of dental prostheses and tooth-related factors have on the initiation and progression of gingivitis and periodontitis. FINDINGS: Placement of restoration margins within the junctional epithelium and supracrestal connective tissue attachment can be associated with gingival inflammation and, potentially, recession. The presence of fixed prostheses finish lines within the gingival sulcus or the wearing of partial, removable dental prostheses does not cause gingivitis if patients are compliant with self-performed plaque control and periodic maintenance...
June 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29921287/deer-thymosin-beta-10-functions-as-a-novel-factor-for-angiogenesis-and-chondrogenesis-during-antler-growth-and-regeneration
#3
Wei Zhang, Wenhui Chu, Qingxiu Liu, Dawn Coates, Yudong Shang, Chunyi Li
BACKGROUND: Deer antlers are the only known mammalian organ with vascularized cartilage that can completely regenerate. Antlers are of real significance as a model of mammalian stem cell-based regeneration with particular relevance to the fields of chondrogenesis, angiogenesis, and regenerative medicine. Recent research found that thymosin beta 10 (TMSB10) is highly expressed in the growth centers of growing antlers. The present study reports here the expression, functions, and molecular interactions of deer TMSB10...
June 19, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29907523/effect-of-the-calcaneal-medializing-osteotomy-on-soft-tissues-supporting-the-plantar-arch-a-computational-study
#4
R Larrainzar-Garijo, C Cifuentes de la Portilla, B Gutiérrez-Narvarte, E Díez-Nicolás, J Bayod
Medializing calcaneal osteotomy forms part of the treatment options for adult acquired flat foot. The structural correction that is achieved is widely known. However, the effect of this procedure on the soft tissues that support the plantar arch has been little studied, since it is not possible to quantify experimentally the tension and deformation variations generated. Therefore, the objective of this study was to evaluate the effect of medializing calcaneal osteotomy on the soft tissue that supports the plantar arch, using a computational model of the human foot designed with a clinical approach...
June 12, 2018: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29906672/displacement-of-teeth-without-and-with-bonded-fixed-orthodontic-retainers-3d-analysis-using-triangular-target-frames-and-optoelectronic-motion-tracking-device
#5
Firas Chakroun, Vera Colombo, Dave Lie Sam Foek, Luigi Maria Gallo, Albert Feilzer, Mutlu Özcan
PURPOSE: The objective of this study was to evaluate the anterior tooth movement without and with bonded fixed orthodontic retainers under incremental loading conditions. MATERIALS AND METHODS: Six extracted mandibular anterior human teeth were embedded in acrylic resin in True Form I Arch type and 3D reconstruction of Digital Volume Tomography (DVT) images (0.4 mm3 voxels) were obtained. The anatomy of each tooth was segmented and digitally reconstructed using 3D visualization software for medical images (AMIRA, FEI SVG)...
June 6, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29874972/effects-of-low-intensity-laser-therapy-on-the-stability-of-orthodontic-mini-implants-a-randomised-controlled-clinical-trial
#6
Ahmed Mohamed Abohabib, Mona Mohamed Fayed, Amr H Labib
OBJECTIVE: To investigate the effect of low-intensity laser therapy on mini-implant stability using resonance frequency analysis during canine retraction with fixed appliances. DESIGN: A split-mouth randomised clinical trial. SETTING: Subjects were recruited and treated in the outpatient clinic, Department of Orthodontics, Faculty of Dentistry, Cairo University. PARTICIPANTS: Fifteen subjects with mean age 20.9 (±3...
June 6, 2018: Journal of Orthodontics
https://www.readbyqxmd.com/read/29872364/a-new-species-of-melita-from-japan-crustacea-amphipoda-melitidae
#7
Ko Tomikawa, Kentaro Hirashima, Atsushi Hirai, Ryu Uchiyama
A new brackish-water species of melitid amphipod, Melita choshigawaensis , from the Choshigawa River, Mie Prefecture, Japan, is named and described. Melita choshigawaensis sp. n. is distinguished from the most similar M. shimizui (Uéno, 1940) by having an elongate and weakly arched male uropod 3, and a deep and strongly hooked anterior lobe of the coxa on the female's pereopod 6. Nucleotide sequences of the mitochondrial cytochrome c oxidase subunit I (COI) of M. choshigawaensis and M. shimizui support divergence at the species level...
2018: ZooKeys
https://www.readbyqxmd.com/read/29843082/tri-dimensional-pattern-analysis-of-foodstuff-bitemarks-a-pilot-study-of-tomographic-database
#8
Ana Corte-Real, Diana Pedrosa, José Saraiva, Catarina Caetano, Duarte Nuno Vieira
The analysis of bitemarks has been mostly done through analogical methods. The advent of current technologies brings new and more reliable tools for analyzing evidence. Bitemarks can now be turned into more consistent evidence by using a digital tridimensional (3D) analysis. The aim of this study is to propose a reliable, accurate and monitorized approach of 3D bitemark analysis. 12 cranium Cone Beam Computed Tomographic (CBCT) files were randomly selected from a clinical database (Coimbra Hospital and University Center/Faculty of Medicine of the University of Coimbra)...
April 26, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29809078/a-comprehensive-method-to-measure-three-dimensional-bra-motion-during-physical-activity
#9
Elisa S Arch, Sarah Colόn, James G Richards
Breast and bra motion research aims to understand how the breasts/bra move to aid development of apparel that minimizes motion. Most previously-published research has tracked nipple motion to represent bra motion. However, this method does not provide information regarding regional tissue motion. A more comprehensive approach might facilitate understanding how the entire soft tissue mass moves during physical activities. This study developed and tested an objective method to comprehensively measure three-dimensional bra motion, including regional displacement and velocity, displacement phasing, and surface stretch...
May 29, 2018: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29808130/implant-supported-pmma-monolithic-full-arch-rehabilitation-with-surgical-computer-planned-guide-and-immediate-provisional-a-case-report-with-one-year-follow-up
#10
Vincenzo Luca Zizzari, Gianmarco Tacconelli
The aim of this case report is to describe the surgical and prosthetic procedures to achieve maxillary and mandibular implant-supported PMMA monolithic full-arch rehabilitation (PMFR) with surgical computer-planned guide and immediate provisional. In such cases, the correct planning of dental implants' position, length, and diameter and the prosthetic phases via computer-aided design are very important to achieve good aesthetic and functional long-lasting results.
2018: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29806663/immediately-loaded-zygomatic-implants-vs-conventional-dental-implants-in-augmented-atrophic-maxillae-1-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#11
Rubén Davó, Pietro Felice, Roberto Pistilli, Carlo Barausse, Carlos Marti-Pages, Ada Ferrer-Fuertes, Daniela Rita Ippolito, Marco Esposito
PURPOSE: To compare the clinical outcome of immediately loaded cross-arch maxillary prostheses supported by zygomatic implants vs conventional implants placed in augmented bone. MATERIALS AND METHODS: In total, 71 edentulous patients with severely atrophic maxillas without sufficient bone volumes for placing dental implants, or when it was possible to place only two implants in the anterior area (minimal diameter 3.5 mm and length of 8 mm) and less than 4 mm of bone height subantrally, were randomised according to a parallel group design to receive zygomatic implants (35 patients) to be loaded immediately vs grafting with a xenograft, followed after 6 months of graft consolidation by placement of six to eight conventional dental implants submerged for 4 months (36 patients)...
2018: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/29805978/mandibular-flexure-and-peri-implant-bone-stress-distribution-on-an-implant-supported-fixed-full-arch-mandibular-prosthesis-3d-finite-element-analysis
#12
Elena Martin-Fernandez, Ignacio Gonzalez-Gonzalez, Hector deLlanos-Lanchares, Mario Andres Mauvezin-Quevedo, Aritza Brizuela-Velasco, Angel Alvarez-Arenal
Purpose: The purpose of this study was to evaluate and compare the effect of three mandibular full-arch superstructures on the peri-implant bone stress distribution during mandibular flexure caused by mid-opening (27 mm) and protrusion mandibular movements. Materials and Methods: Three-dimensional finite element models were created simulating six osseointegrated implants in the jawbone. One model simulated a 1-piece framework and the other simulated 2-piece and 3-piece frameworks...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29801988/presence-of-a-foramen-arcuale-as-a-possible-cause-for-headaches-and-migraine-systematic-review-and-meta-analysis
#13
Przemysław A Pękala, Brandon Michael Henry, Kevin Phan, Jakub R Pękala, Dominik Taterra, Jerzy A Walocha, R Shane Tubbs, Krzysztof A Tomaszewski
The foramen arcuale (FA) is an osseous bridge that can be formed on the posterior arch of the atlas, often observed on lateral radiographs of the cervical spine. Currently, there is a lack of studies that systematically review the available literature on the FA and its role in headaches and migraines. Therefore, we conducted an extensive search of the major electronic databases to identify all studies that reported relevant data on patients with versus without FA and prevalence of headaches or migraines. No date or language restrictions were applied...
May 22, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29782305/tatami-mats-a-source-of-pitted-keratolysis-in-a-martial-arts-athlete
#14
Anamaria Balić, Zrinka Bukvić Mokos, Branka Marinović, Daniela Ledić Drvar
Dear Editor, Pitted keratolysis (PK), also known as keratosis plantaris sulcatum, is a non-inflammatory, bacterial, superficial cutaneous infection, characterized by many discrete superficial crateriform ''pits'' and erosions in the thickly keratinized skin of the weight-bearing regions of the soles of the feet (1). The disease often goes unnoticed by the patient, but when it is noticed it is because of the unbearable malodor and hyperhidrosis of the feet, which are socially unacceptable and cause great anxiety to many of the patients...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29777011/fox-proteins-are-modular-competency-factors-for-facial-cartilage-and-tooth-specification
#15
Pengfei Xu, Bartosz Balczerski, Amanda Ciozda, Kristin Louie, Veronika Oralova, Ann Huysseune, J Gage Crump
Facial form depends on the precise positioning of cartilage, bone, and tooth fields in the embryonic pharyngeal arches. How complex signaling information is integrated to specify these cell types remains a mystery. We find that modular expression of Forkhead-domain transcription factors (Fox) in the zebrafish face arises through integration of Hh, Fgf, Bmp, Edn1, and Jagged-Notch pathways. Whereas loss of C-class Fox proteins results in reduced upper facial cartilages, loss of F-class Fox proteins results in distal jaw truncations and absent midline cartilages and teeth...
May 18, 2018: Development
https://www.readbyqxmd.com/read/29772033/passivity-of-fit-of-a-novel-prefabricated-implant-supported-mandibular-full-arch-reconstruction-a-comparative-in-vitro-study
#16
Matthias Karl, Roberto Carretta, Kenji W Higuchi
PURPOSE: To quantify the strain development of a new prefabricated implant-supported mandibular full-arch reconstruction. MATERIALS AND METHODS: Five resin models reflecting edentulous mandibles were each restored with three interforaminal implants and prefabricated frameworks with a novel compensation mechanism, cast frameworks, and computer-aided design/computer-assisted manufacturing (CAD/CAM)-fabricated frameworks. Strains were recorded during superstructure fixation...
May 17, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29770485/elongated-transverse-aortic-arch-%C3%A4-n-subjects-without-turner-syndrome-a-preliminary-computed-tomography-study
#17
B Ece, H Yiğit, E Ergün, P N Koşar
INTRODUCTION: The purpose of the present study was to investigate the presence of an elongated transverse aortic arch (ETA), which has been reported to be specific for Turner syndrome, in a population without Turner syndrome. MATERIALS AND METHODS: A set of 1012 patients (713 men, 299 women) under 40 years old, who underwent thoracic CT examination in our radiology department between July 2016 and December 2016, were included in the study. CT scans were performed by 16-slice scanners...
May 17, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29768332/short-term-effects-of-customized-arch-support-insoles-on-symptomatic-flexible-flatfoot-in-children-a-randomized-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Ru-Lan Hsieh, Hui-Ling Peng, Wen-Chung Lee
BACKGROUND: Limited evidence is available regarding the effects of insoles on pediatric flexible flatfoot because of the heterogeneity and low methodological quality of previous studies. The purpose of this prospective trial is to examine the short-term effects of customized arch support insoles on symptomatic flexible flatfoot in children by using the International Classification of Functioning, randomized controlled Disability, and Health (ICF) framework. METHODS: This study was conducted in a rehabilitation outpatient clinic of a teaching hospital...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29762796/institutional-nih-research-funding-and-a-culture-of-support-for-family-medicine-their-relationship-to-family-medicine-specialty-choice
#19
Arch G Mainous, Maribeth Porter, Denny Fe Agana, Alexander W Chessman
BACKGROUND AND OBJECTIVES: The United States suffers from a low proportion of medical students pursuing family medicine (FM). Our objective was to examine institutional characteristics consistent with a focus on National Institutes of Health (NIH) research, institutional support for FM education, and the proportion of medical students choosing FM. METHODS: The 2015 CERA Survey of Family Medicine Clerkship Directors was merged with institutional NIH funding data from 2014 and medical student specialty choice in 2015...
May 2018: Family Medicine
https://www.readbyqxmd.com/read/29747801/microgap-and-micromotion-at-the-implant-abutment-interface-cause-marginal-bone-loss-around-dental-implant-but-more-evidence-is-needed
#20
Ahmed Yaseen Alqutaibi, Afaf Noman Aboalrejal
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Influences of micro-gap and micromotion of the implant-abutment interface on marginal bone loss around implant neck. Liu Y, Wang J. Arch Oral Biol 2017;83:153-60. SOURCE OF FUNDING: This study was financially supported by grants from the National Natural Science Foundation of China (81570956) and the Bureau of Science and Technology of Wuhan ([2014]160, 2015060101010051) TYPE OF STUDY/DESIGN: Comprehensive literature review...
June 2018: Journal of Evidence-based Dental Practice
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