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https://www.readbyqxmd.com/read/29332104/assessment-of-the-fit-of-removable-partial-denture-fabricated-by-computer-aided-designing-computer-aided-manufacturing-technology
#1
Khalid A O Arafa
To assess the level of evidence that supports the quality of fit for removable partial denture (RPD) fabricated by computer-aided designing/computer aided manufacturing (CAD/CAM) and rapid prototyping (RP) technology. Methods: An electronic search was performed in Google Scholar, PubMed, and Cochrane library search engines, using Boolean operators. All articles published in English and published in the period from 1950 until April 2017 were eligible to be included in this review. The total number of articles contained the search terms in any part of the article (including titles, abstracts, or article texts) were screened, which resulted in 214 articles...
January 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29330941/hydrophobic-and-hydrophilic-effects-on-water-structuring-and-adhesion-in-denture-adhesives
#2
Simrone K Gill, Nima Roohpour, Yiran An, Julien E Gautrot, Paul D Topham, Brian J Tighe
Denture adhesives are designed to be moisture-sensitive through the inclusion of a blend of polymer salts with varying degrees of water-sensitivity. This enables the adhesive to mix with saliva in vivo and activate its high tack, through the formation of a mucilaginous layer. We report for the first time, the use of differential scanning calorimetry (DSC) to study a series of hydrophobic and hydrophilic polymeric systems in order to correlate water-structuring behavior with adhesion strength. Adhesive bonding of the more hydrophobic variants was higher than that of a commercial-based control and a more hydrophilic polymer system in both lap shear and tensile configurations...
January 13, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29326474/gerodontology-denture-loss-in-hospitals
#3
A Harrison
No abstract text is available yet for this article.
January 12, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29326443/aesthetic-possibilities-in-removable-prosthodontics-part-1-the-aesthetic-spectrum-from-perfect-to-personal
#4
J N Besford, A F Sutton
Patients requiring dentures are getting older and as a result can be difficult to treat owing to various co-morbidities. This series of papers presents an overview of the processes involved in making removable dentures which the patient considers to be functionally and aesthetically successful. We hope not only to provide technical suggestions but also to address the issue of the clinician's, technician's and dental nurse's relationships with the dentally depleted patient. It is increasingly clear from defence organisation reports that this has a decisive effect on the success of this fundamentally difficult enterprise ('The only branch of dentistry in which you are trying to attach something to nothing' [Hubert Aïche])...
January 12, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29323773/direct-fiber-reinforced-interim-fixed-partial-dentures-six-year-survival-study
#5
Luciana Maria Goguta, Adrian Candea, Diana Lungeanu, Mirela Frandes, Anca Jivanescu
PURPOSE: Mechanical and optical studies of glass fiber composites have revealed great resistance and satisfactory bonds between the glass fibers and composite resins. This study aimed to evaluate the long-term survival of anterior and posterior direct glass fiber-reinforced composite (FRC) fixed partial dentures (FPD). MATERIALS AND METHODS: Twenty-three patients (9 men, 14 women) aged 18 to 67 received 23 d-FRC-FPDs. The frameworks of the FPDs were unidirectional pre-impregnated glass fibers (ever Stick C&B)...
January 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29323129/comparison-of-adaptation-between-the-major-connectors-fabricated-from-intraoral-digital-impressions-and-extraoral-digital-impressions
#6
Ning Gan, Yaye Ruan, Jian Sun, Yaoyang Xiong, Ting Jiao
The objective was to compare the adaptation between the major connectors of removable partial dentures derived from intraoral digital impressions and extraoral digital impressions. Twenty-four volunteers were enrolled. Each volunteer received an intraoral digital impression and one extraoral digital impression digitized from conventional gypsum impression. A software was used to create the major connectors on digital impression datasets. After all the virtual major connectors designed from Group intraoral digital impressions (Group I) and Group extraoral digital impressions (Group E) were directly fabricated by 3D printing technique, the adaptation of the final major connectors in volunteers' mouths were measured...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322657/polyetheretherketone-overlay-prosthesis-over-high-noble-ball-attachments-to-overcome-base-metal-sensitivity-a-clinical-report
#7
Panagiotis Zoidis
A modified polyetheretherketone (PEEK) framework material in combination with heat-polymerized denture base acrylic resin was used for the fabrication of an overlay prosthesis for a patient sensitive to base metals. High noble metal was used for the fabrication of the post/coping/ball attachment assemblies to promote retention and stability. These protruding attachments into the acrylic resin could result in stress concentration; therefore, a framework is often used to strengthen the prosthesis. PEEK frameworks could be a treatment alternative to high noble or Ti frameworks since they combine good mechanical properties with biocompatibility, reduced cost, and common laboratory procedures...
January 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29321439/the-association-of-bite-instability-and-comorbidities-in-elderly-people
#8
Susumu Itakura, Masaaki Miyata, Atsushi Kuroda, Manabu Setoguchi, Atsushi Kusumoto, Daisuke Hokonohara, Mitsuru Ohishi
Objective The purpose was to evaluate the association between bite instability and comorbidities, comprehensive geriatric evaluations, or disabilities in elderly people. Methods A dentist examined the oral function, such as the bite stability, number of teeth, and the use of dentures, in 119 patients (93 women, mean age: 86.7±7.8) in 2 nursing homes for the elderly. The association between the oral function and the prevalence of diseases, including hypertension, diabetes mellitus, and dementia, was analyzed...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29317951/parafunctional-behaviors-and-its-effect-on-dental-bridges
#9
REVIEW
Amal Alharby, Hanan Alzayer, Ahmed Almahlawi, Yazeed Alrashidi, Samaa Azhar, Maan Sheikho, Anas Alandijani, Amjad Aljohani, Manal Obied
Parafunctional behaviors, especially bruxism, are not uncommon among patient visiting dentists' clinics daily and they constitute a major dental issue for almost all dentists. Many researchers have focused on the definition, pathophysiology, and treatment of these behaviors. These parafunctional behaviors have a considerable negative impact on teeth and dental prothesis. In this review, we focused on the impact of parafunctional behaviors on dental bridges. We summarized the definitions, epidemiology, pathophysiology, and consequences of parafunctional behaviors...
February 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29316022/association-between-buccal-mucosa-ridging-and-oral-or-occlusal-status-among-older-people
#10
Koji Morita, Takahiro Mori, Mariko Maruyama, Aya Hiraoka, Chiaki Higa, Azusa Kuroki, Mitsuyoshi Yoshida, Kazuhiro Tsuga
OBJECTIVES: The present study aimed to evaluate the association between buccal mucosa ridging and oral or occlusal statuses among older people. SUBJECTS AND METHODS: This cross-sectional study examined 262 independent older people (mean age, 74.2 ± 5.9 years) who participated in the Kyoto Elderly Physical Fitness Measurement Research Project. The predictor variables were oral statuses (number of present teeth and torus palatinus, torus mandibularis, temporomandibular joint noise, clenching, or grinding) and oral functions (occlusal pressure, cheek pressure, oral diadochokinesis, and tongue pressure)...
January 9, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29314199/bilateral-balanced-occlusion-compared-to-other-occlusal-schemes-in-complete-dentures-a-systematic-review
#11
REVIEW
C A A Lemos, F R Verri, J M L Gomes, J F Santiago Júnior, S L D Moraes, E P Pellizzer
No consensus has been reached regarding the best occlusal scheme for making complete dentures. Thus, the purpose of this systematic review was to compare bilateral balanced occlusion (BBO) with other occlusal schemes (canine guidance, lingualized occlusion, and zero degree) in complete dentures. The schemes were compared in terms of quality of life/satisfaction and masticatory performance. Two independent reviewers performed a comprehensive search of studies published in or before October 2017 using the PubMed/MEDLINE, Scopus, and Cochrane Library databases...
January 4, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29311501/retrospective-clinical-evaluation-of-posterior-monolithic-zirconia-restorations-after-1-to-3-5-years-of-clinical-service
#12
Hiroto Gunge, Yoichiro Ogino, Masafumi Kihara, Yoshihiro Tsukiyama, Kiyoshi Koyano
This retrospective study analyzed clinical outcomes of monolithic zirconia restorations (MZRs) and factors related to restoration success. Patient records were searched to identify those provided MZRs (Cercon ht) for premolars or molars between April 2012 and March 2016. All MZRs were placed according to a standardized protocol. Kaplan-Meier analysis was used to assess MZR performance and failure after recall appointments at 1 year or later. In total, 101 patients received 148 MZRs. Mean duration of follow-up was 25...
December 28, 2017: Journal of Oral Science
https://www.readbyqxmd.com/read/29310881/comparison-between-masticatory-index-and-mixing-index-among-complete-denture-wearers-and-associated-factors-a-multivariate-analysis
#13
Hala A Elmoula, Nadia Khalifa, Mohammed Nasser Alhajj
STATEMENT OF PROBLEM: Masticatory performance is an important and complex multifactorial process in clinical practice. An exploration of the relationships and effects of the associated factors is lacking. PURPOSE: This clinical survey compared masticatory efficiency (mixing index) with perceived masticatory ability (masticatory index) among complete denture wearers and sought to clarify the relationship between these indices and other factors. MATERIALS AND METHODS: The study consisted of 58 complete denture wearers (37 men, 21 women) ranging between 37 and 80 years of age...
January 5, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29309351/unit-advancement-flap-for-lower-lip-reconstruction
#14
Akihiro Ogino, Kiyoshi Onishi, Emi Okada, Miho Nakamichi
BACKGROUND: Lower lip reconstruction requires consideration of esthetic and functional outcome in selecting a surgical procedure, and reconstruction with local tissue is useful. The authors reconstructed full-thickness defects with a unit advancement flap. METHODS: Reconstruction was performed using this method in 4 patients with lower lip squamous cell carcinoma in whom tumor resection with preservation of the mouth angle was possible. The lower lip resection width was 30 to 45 mm, accounting for 50% to 68% of the entire width of the lower lip...
January 5, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29304908/incisal-preparation-design-for-ceramic-veneers-a-critical-review
#15
Sy Yin Chai, Vincent Bennani, John M Aarts, Karl Lyons
BACKGROUND: The authors reviewed and identified the evidence for the various incisal preparation designs for ceramic veneers. TYPES OF STUDIES REVIEWED: The authors searched MEDLINE with PubMed and Ovid to identify any articles in the English language related to the topic up through March 2017 using a combination of key words: "porcelain veneer or ceramic veneer or dental veneer or labial veneer" AND "preparation," NOT "composite veneer," NOT "crown," NOT "implant," NOT "fixed partial denture or bridge or denture," NOT "porcelain-fused-to-metal," NOT "marginal gap or fit...
January 2018: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29300422/occlusal-support-dysphagia-malnutrition-and-activities-of-daily-living-in-aged-individuals-needing-long-term-care-a-path-analysis
#16
H Wakabayashi, M Matsushima, H Ichikawa, S Murayama, S Yoshida, M Kaneko, R Mutai
OBJECTIVES: This study aimed to examine the interrelationships among occlusal support, dysphagia, malnutrition, and activities of daily living in aged individuals needing long-term care. DESIGN: Cross-sectional study and path analysis. SETTING: Long-term health care facilities, acute care hospitals, and the community. PARTICIPANTS: Three hundred and fifty-four individuals aged ≥ 65 years with dysphagia or potential dysphagia in need of long-term care...
2018: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29295470/oral-health-status-and-behavior-among-cancer-survivors-in-korea-using-nationwide-survey
#17
Mi Ah Han
Cancer survivors remain at life-long risk of developing oral complications. This study investigated the oral health status and behavior among cancer survivors in comparison to subjects without a history of cancer using a nationwide survey. Cancer survivors and control subjects were selected from the sixth Korean National Health and Nutrition Examination Survey (2013-2015). Survivors reported chewing (34.8%) and speaking difficulties (15.3%) resulting from oral health problems. More than 36% of survivors had periodontal disease and 15...
December 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29291436/superhydrophilic-co-polymer-coatings-on-denture-surfaces-reduce-candida-albicans-adhesion-an-in-vitro-study
#18
Masahiro Hirasawa, Chiaki Tsutsumi-Arai, Kensuke Takakusaki, Toyohisa Oya, Kenji Fueki, Noriyuki Wakabayashi
OBJECTIVE: In this study, we aimed to investigate denture-base-resin coatings prepared with a crosslinkable co-polymer containing sulfobetaine methacrylamide (SBMAm) and the relationship between their surface characteristics and the initial adhesion of Candida albicans (C. albicans). METHODS: Acrylic resin discs were coated with co-polymers containing various concentrations of SBMAm and N,N'-(4,7,10-trioxa-1,13-tridecadiamine) diacrylamide (JDA) as crosslinking agent...
December 27, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29289727/a-randomised-clinical-evaluation-of-a-fluoride-mouthrinse-and-dentifrice-in-an-in-situ-caries-model
#19
Charles R Parkinson, Anderson T Hara, Marc Nehme, Frank Lippert, Domenick T Zero
OBJECTIVES: Fluoride mouthrinses provide advantages for fluoride delivery by maintaining elevated intra-oral fluoride concentrations following fluoride dentifrice use. This in situ caries study investigated potential anti-caries efficacy of a 220 ppm fluoride mouthrinse METHODS: This was an analyst-blinded, four-treatment, randomised, crossover study using partially demineralised, gauze-wrapped, human enamel samples mounted in a mandibular partial denture. Participants brushed twice daily for 14 days with either a 1150 ppm fluoride or fluoride-free placebo dentifrice and either rinsed once daily with the 220 ppm fluoride mouthrinse or not...
December 28, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29286435/visualization-of-biofilm-formation-in-candida-albicans-using-an-automated-microfluidic-device
#20
Megha Gulati, Craig L Ennis, Diana L Rodriguez, Clarissa J Nobile
Candida albicans is the most common fungal pathogen of humans, causing about 15% of hospital-acquired sepsis cases. A major virulence attribute of C. albicans is its ability to form biofilms, structured communities of cells attached to biotic and abiotic surfaces. C. albicans biofilms can form on host tissues, such as mucosal layers, and on medical devices, such as catheters, pacemakers, dentures, and joint prostheses. Biofilms pose significant clinical challenges because they are highly resistant to physical and chemical perturbations, and can act as reservoirs to seed disseminated infections...
December 14, 2017: Journal of Visualized Experiments: JoVE
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