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https://www.readbyqxmd.com/read/28091858/will-wearing-dentures-affect-edentulous-patients-breathing-during-sleep
#1
Qiuwen Chen, Dong Zou, Hailan Feng, Shaoxia Pan
PURPOSES: The purpose of this study is to investigate the effect of wearing dentures on obstructive sleep apnea and hypopnea among completely edentulous patients. METHODS AND MATERIALS: A self-controlled study was conducted among 30 edentulous patients. Polysomnograms were recorded in the sleep laboratory on two consecutive nights. Participants slept with their dentures in one night and without dentures in the other. The apnea and hypopnea index (AHI), lowest oxygen saturation (L-SpO2), and morning blood pressure (MBP) were collected for statistical analysis...
January 14, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28089330/finite-element-analysis-of-implant-assisted-removable-partial-dentures-framework-design-considerations
#2
Reza Shahmiri, Raj Das
STATEMENT OF PROBLEM: Connecting an acrylic resin base to both a metal framework and a rigidly fixed implant may affect the rotational displacement of the prosthesis during loading. PURPOSE: The purpose of this finite element analysis study was to analyze the effect of connecting a denture base metal framework to an implant with the aim of decreasing the rotational movement of an implant-assisted removable partial denture. MATERIAL AND METHODS: A mesial occlusal rest direct retainer and a distal occlusal rest direct retainer were modeled and adapted to incorporate a modified denture base metal framework in the connection area for each model...
January 12, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28060350/2-methacryloyloxyethyl-phosphorylcholine-polymer-treatment-of-complete-dentures-to-inhibit-denture-plaque-deposition
#3
Kenji Ikeya, Miya Fukunishi, Fuminori Iwasa, Yuuki Inoue, Kazuhiko Ishihara, Kazuyoshi Baba
Removable dentures made of poly (methyl methacrylate) (PMMA) are prone to bacterial adherence and dental plaque formation, which is called denture plaque. Denture plaque-associated infection is a source of serious dental and medical complications in the elderly. 2-Methacryloyloxyethyl phosphorylcholine (MPC) is a well-known biomedical material that exhibits marked antithrombogenicity and tissue compatibility because of its high resistance to protein adsorption and cell adhesion. Therefore, MPC polymer coatings are suggested to have the potential to inhibit plaque deposition on the surface of PMMA dentures...
December 26, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28050504/a-comparative-evaluation-of-the-linear-dimensional-changes-of-two-different-commercially-available-heat-cure-acrylic-resins-during-three-different-cooling-regimens
#4
Abhishek Savirmath, Vandita Mishra
INTRODUCTION: Close mucosal adaptation of denture base to the underlying mucosa is of prime importance for denture stability. This however can be affected by various temperature changes which the denture base undergoes during processing and also to its material properties. AIM: The aim of the present study was to compare linear dimensional change of heat cure acrylic resin with three different cooling regimens on two different commercially available acrylic denture base resins...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28042277/distal-extension-mandibular-removable-partial-denture-with-implant-support
#5
Canan Bural, Begum Buzbas, Sebnem Ozatik, Gulsen Bayraktar, Yusuf Emes
This case report describes the fabrication of a distal extension removable partial denture (RPD) of a 65-year-old man with implant support. Loss of fibroelasticity of the peripheral tissues and reduced mandibular vestibular sulcular depth due to a previous surgical resection and radiotherapy at the right side were the main clinical factors that created difficulty for denture retention and stability. The fabrication of a mandibular RPD supported by anterior teeth and two bilaterally placed implants in the molar area to convert from Kennedy Class 1 design to Kennedy Class 3 implant-bounded RPD is reported...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28028833/incidence-and-predictors-of-edentulism-among-south-brazilian-older-adults
#6
Fernanda Pasquetti Marques, Luísa Helena do Nascimento Tôrres, Augusto Bacelo Bidinotto, Juliana Balbinot Hilgert, Fernando Neves Hugo, Renato José De Marchi
OBJECTIVE: To identify socioeconomic, demographic, behavioural and clinical predictors of the 8-year incidence of edentulism in south Brazilian older adults. METHODS: Cohort of a representative sample of older persons in Carlos Barbosa, a south Brazil city. A cohort study was conducted using a simple random sample of 392 older people evaluated in 2004, with follow-ups in 2008 and 2012, when 199 participants were evaluated. Interviews and oral examinations were conducted...
December 28, 2016: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28028423/implant-supported-fixed-restorations-versus-implant-supported-removable-overdentures-a-systematic-review
#7
REVIEW
Khaled Selim, Sherif Ali, Ahmed Reda
AIM: The aim of this study is to systematically evaluate and compare implant retained fixed restoration versus implant retained over denture. MATERIAL AND METHODS: Search was made in 2 databases including PubMed and PubMed Central. Title and abstract were screened to select studies comparing implant retained fixed restorations versus implant retained removable overdentures. Articles which did not follow the inclusion criteria were excluded. Included papers were then read carefully for a second stage filter, this was followed by manual searching of bibliography of selected articles...
December 15, 2016: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28018565/contour-of-lingual-surface-in-lower-complete-denture-formed-by-polished-surface-impression
#8
Yu-Ri Heo, Hee-Jung Kim, Mee-Kyoung Son, Chae-Heon Chung
PURPOSE: The aim of this study was to analyze the shapes of lingual polished surfaces in lower complete dentures formed by polished surface impressions and to provide reference data for use when manufacturing edentulous trays and lower complete dentures. MATERIALS AND METHODS: Twenty-six patients with mandibular edentulism were studied. After lower wax dentures were fabricated, wax was removed from the lingual side of the wax denture and a lingual polished surface impression was obtained with tissue conditioner...
December 2016: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/27998007/mandibular-movements-and-bite-force-in-alzheimer-disease-before-and-after-new-denture-insertion
#9
Camila Heitor Campos, Giselle Rodrigues Ribeiro, Florindo Stella, Renata Cunha Matheus Rodrigues Garcia
BACKGROUND: Chewing impairment has been observed in elders with Alzheimer disease (AD), however it is unknown whether oral rehabilitation can improve their masticatory function. OBJECTIVE: This study evaluated the influence of new removable prostheses on chewing function of patients with AD METHODS: Participants using removable dentures were divided into two groups: patients with mild AD (77.2 ± 5.8 years, n=16) and controls (76.0 ± 4.4, n=16). All participants received general dental treatment and new total and/or partial removable prostheses...
December 20, 2016: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/27994996/influence-of-the-renewal-of-removable-dentures-on-oral-health-related-quality-of-life
#10
Guillaume Bonnet, Cindy Batisse, Jean W Segyo, Jean-Luc Veyrune, Emmanuel Nicolas, Marion Bessadet
BACKGROUND: The renewal of removable dentures is often suggested to denture wearers subject to discomfort. However, the impact of this rehabilitation on patients' oral health related quality of life and their removable dentures related satisfaction is still unknown. This study was aimed at assessing these patient-centered outcomes and the potential impact of different factors. METHODS: A cohort of 116 patients in need of removable dental prostheses rehabilitation was recruited at a dental hospital over a period of 1 year...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27990688/effect-of-12-month-weekly-professional-oral-hygiene-care-on-the-composition-of-the-oral-flora-in-dentate-dependent-elderly-residents-a-prospective-study
#11
Maude Wikström, Kawa L Kareem, Annica Almståhl, Erika Palmgren, Peter Lingström, Inger Wårdh
OBJECTIVE: To study the effect of weekly professional oral hygiene care on the proportion of micro-organisms associated with good oral health, caries, and periodontal and soft tissue diseases in oral biofilms in dentate, dependent elderly residents. BACKGROUND: Assisted oral hygiene care reduces the plaque score and number of micro-organisms in the oral biofilms in elderly residents. Less is known about the effect on the quality/composition of the remaining oral flora...
December 18, 2016: Gerodontology
https://www.readbyqxmd.com/read/27982182/alkaline-peroxides-versus-sodium-hypochlorite-for-removing-denture-biofilm-a-crossover-randomized-trial
#12
Amanda Peracini, Rômulo Rocha Regis, Raphael Freitas de Souza, Valéria Oliveira Pagnano, Cláudia Helena Lovato da Silva, Helena de Freitas Oliveira Paranhos
This study evaluated the efficacy of cleanser solutions on denture biofilm removal by a crossover randomized clinical trial. Thirty two edentulous patients were instructed to brush their dentures (specific brush and liquid soap) three times a day (after breakfast, lunch and dinner) and to soak them (≥ 8 h) in: (C) control -water; (AP): alkaline peroxide; or (SH) 0.5% sodium hypochlorite. Each solution was used for 21 days (three cycles of 7 days). At the end of each cycle, the inner surfaces of maxillary dentures were disclosed (1% neutral red) and photographed (HX1 - Sony)...
October 2016: Brazilian Dental Journal
https://www.readbyqxmd.com/read/27974977/total-cad-cam-supported-method-for-manufacturing-removable-complete-dentures
#13
Arthur Furtado de Mendonça, Mario Furtado de Mendonça, George Shelby White, Georges Sara, Darren Littlefair
The incorporation of computer-aided design/computer-aided manufacturing (CAD/CAM) technology into complete denture fabrication brings about several advantages to the fabrication process, providing better predictability of the desired outcomes and high accuracy of denture fit, mainly because the milling of prepolymerized acrylic resin eliminates the shrinkage of the acrylic base. Also, there is a decrease in the porosity when compared to a conventionally processed denture, and consequently there is a decrease in the retention of Candida albicans on the denture base...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27966512/evaluating-the-efficacy-of-denture-cleansing-materials-in-removal-of-tea-and-turmeric-stains-an-in-vitro-study
#14
Priyanka P Makhija, Kamal Shigli, Vaibhav Awinashe
CONTEXT: Extrinsic staining of acrylic resin dentures could be a major esthetic problem for denture wearers. Tea, coffee, cola, turmeric, and tobacco often cause extrinsic staining of dentures. AIM: To evaluate the efficacy of various denture cleansing materials in the removal of tea and turmeric stains and to compare the efficacy of those denture cleansers with each other in the removal of tea and turmeric stains. MATERIALS AND METHODS: Heat-cured acrylic resin specimens were stained using tea and turmeric solutions...
September 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/27932817/evaluation-of-the-efficiency-of-denture-cleaners-for-removing-denture-adhesives
#15
(no author information available yet)
Cushion adhesives are the most tenacious whereas powder adhesives are removed most effectively by denture cleaners.
December 9, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27927282/effect-of-sodium-hypochlorite-and-ricinus-communis-solutions-on-control-of-denture-biofilm-a-randomized-crossover-clinical%C3%A2-trial
#16
Carolina Noronha Ferraz de Arruda, Marcela Moreira Salles, Maurício Malheiros Badaró, Viviane de Cássia Oliveira, Ana Paula Macedo, Cláudia Helena Silva-Lovato, Helena de Freitas Oliveira Paranhos
STATEMENT OF PROBLEM: The prevalence of complete edentulism remains high in the elderly, and previous data have shown that poor denture hygiene is common among edentulous patients. PURPOSE: The purpose of this randomized crossover trial was to evaluate the efficacy of denture cleansers in terms of biofilm removal, antimicrobial action, and the remission of denture stomatitis. MATERIAL AND METHODS: Fifty denture wearers with denture stomatitis were instructed to brush their dentures (brush and soap) and to soak them (20 minutes/14 days) in 4 solutions, as follows: C (control), 0...
December 4, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27917567/effects-of-rinsing-with-arginine-bicarbonate-and-urea-solutions-on-initial-enamel-lesions-in-situ
#17
Yang Yu, Xiaoling Wang, Chunling Ge, Bing Wang, Chuoyue Cheng, Ye-Hua Gan
OBJECTIVE: The aim of this study was to investigate the effects of rinsing with arginine or urea solution on initial enamel lesions in situ. METHODS: Fourteen subjects wore mandibular removable partial dentures embedded with bovine enamel blocks with artificial enamel lesions were included. The experiment included four 4-week rinsing periods with a 10-day washout period between each rinsing period. In each rinsing period, the subjects rinsed after meal or snack using water, or 2% arginine bicarbonate, or 1% urea, or 0...
December 5, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27915298/multilocus-sequence-typing-mlst-analysis-of-candida-albicans-isolates-colonizing-acrylic-dentures-before-and-after-denture-replacement
#18
Khai How Choo, Hee Ji Lee, Nicholas J Knight, Ann R Holmes, Richard D Cannon
Yeast, in particular Candida albicans, are the principal fungal cause of denture stomatitis, and can also be present as a commensal in many individuals. Few studies, however, have examined oral retention of yeast strains over time. We analyzed the yeast present in saliva samples and from the dentures of 10 individuals colonized with yeast but with no signs of stomatitis, before new complete maxillary dentures were fitted and also at 1, 3, and 6 months after denture replacement. Yeast species were presumptively identified on selective agar plates and were present in nine individuals before denture replacement and in six at the 6-month time point...
December 2, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/27914668/three-dimensional-finite-element-analysis-of-implant-assisted-removable-partial-dentures
#19
Ju-Won Eom, Young-Jun Lim, Myung-Joo Kim, Ho-Beom Kwon
STATEMENT OF PROBLEM: Whether the implant abutment in implant-assisted removable partial dentures (IARPDs) functions as a natural removable partial denture (RPD) tooth abutment is unknown. PURPOSE: The purpose of this 3-dimensional finite element study was to analyze the biomechanical behavior of implant crown, bone, RPD, and IARPD. MATERIAL AND METHODS: Finite element models of the partial maxilla, teeth, and prostheses were generated on the basis of a patient's computed tomographic data...
November 30, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27907980/flipped-clinical-training-a-structured-training-method-for-undergraduates-in-complete-denture-prosthesis
#20
Anbarasi K, Kasim Mohamed K, Phagalvarthy Vijayaraghavan, Deivanayagam Kandaswamy
PURPOSE: To design and implement flipped clinical training for undergraduate dental students in removable complete denture treatment and predict its effectiveness by comparing the assessment results of students trained by flipped and traditional methods. METHODS: Flipped training was designed by shifting the learning from clinics to learning center (phase I) and by preserving the practice in clinics (phase II). In phase I, student-faculty interactive session was arranged to recap prior knowledge...
December 2016: Korean Journal of Medical Education
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