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https://www.readbyqxmd.com/read/29448266/zirconia-reinforced-framework-for-maxillary-complete-dentures
#1
Hirotaka Nishiyama, Shinpei Tanaka, Reina Nemoto, Hiroyuki Miura, Kazuyoshi Baba
PURPOSE: This study introduces a newly developed zirconia complete denture (ZrD) that incorporates a ceria-stabilized zirconia/alumina nano-composite framework fabricated with computer-aided design/computer-aided manufacture (CAD/CAM). MATERIALS AND METHODS: Twenty-nine edentulous patients received either a maxillary ZrD (n = 10) or a maxillary conventional complete denture (CD) (n = 19). Patient satisfaction was evaluated before and 12 months after prosthesis placement using the McGill Denture Satisfaction Instrument...
February 15, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29448263/comparison-of-coronal-tooth-reductions-resulting-from-different-crown-preparations
#2
James Dudley
PURPOSE: The aim of this study was to quantify the coronal tooth structure reductions (CTSRs) resulting from a variety of different types of crown preparations performed by undergraduate dental students in a simulation clinic teaching program. MATERIALS AND METHODS: A total of 76 students each submitted 21 different crown preparations completed on typodont teeth, which were individually weighed and analyzed in relation to whole and sectioned reference teeth to calculate the CTSR resulting from each preparation...
February 15, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29447322/fixed-conometric-retention-with-cad-cam-conic-coupling-abutments-and-prefabricated-syncone-caps-a-case-series
#3
Eriberto Bressan, Alvise Cenzi Venezze, Vanessa Ruiz Magaz, Diego Lops, Paolo Ghensi
The conometric retention system was proposed and described as a predictable alternative to retain fixed implant-supported complete dentures and, more recently, to retain fixed partial restorations. Currently available studies describe a technique based on the Ankylos (Dentsply) implant system and stock conic coupling abutments. The purpose of this case series study is therefore to demonstrate the possibility of using Atlantis computer-aided design/computer-assisted manufacture technology to produce Conus abutments (Dentsply) and using the fixed conometric retention with other implant brands for which appropriate stock conic coupling abutments are not available...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29446471/randomized-clinical-trial-of-patient-satisfaction-with-traditional-and-simplified-complete-dentures
#4
Mauricio Lira-Oetiker, Fernando Seguel-Galdames, Isaac Quero-Vallejos, Sergio E Uribe
AIM: To clinically evaluate the patient satisfaction and associated costs of dentures made using a simplified procedure that eliminates assembly on the articulator and dentures made with the conventional technique. MATERIALS AND METHODS: Single-blind randomized clinical trial. Forty edentulous patients were randomly divided into two groups. One group received dentures made using the conventional method (CG) and the other using a simplified technique (SG) that omits the use of functional impressions (with modeling compound and ZOE impression paste) and an articulator to assemble the models...
February 15, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29437847/dental-students-perceived-clinical-competence-in-prosthodontics-comparison-of-traditional-and-problem-based-learning-methodologies
#5
Javier Montero, Abraham Dib, Yasmina Guadilla, Javier Flores, Juan Antonio Santos, Rosa Anaya Aguilar, Cristina Gómez-Polo
The aim of this study was to compare the perceived competence for treating prosthodontic patients of two samples of fourth-year dental students: those educated using traditional methodologies and those educated using problem-based learning (PBL). Two cohorts of fourth-year dental students at a dental school in Spain were surveyed: the traditional methods cohort (n=46) was comprised of all students in academic years 2012 and 2013, and the PBL cohort (n=57) was comprised of all students in academic years 2014 and 2015...
February 2018: Journal of Dental Education
https://www.readbyqxmd.com/read/29430143/a-comparative-analysis-of-salivary-factors-and-maxillary-denture-retention-in-different-arch-forms-an-in-vivo-study
#6
Abhishek Shekhar, Samiran Das, Jayanta Bhattacharyya, Preeti Goel, Sayan Majumdar, Soumitra Ghosh
Aims: This study aims to find the effect of change in different salivary factors before and after complete denture insertion and to measure the maxillary denture retention in different arch forms. Materials and Methods: Thirty completely edentulous individuals (10 each of square, tapered, and ovoid arch form of maxilla) belonging to the age group of 40-70 years were selected. Salivary factors (flow, density, pH, viscosity, and total protein) were evaluated before and after denture insertion...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29430141/evaluation-of-the-role-of-skull-anthropometry-for-complete-denture-teeth-selection-a-cross-sectional-study
#7
Rajlakshmi Banerjee, Jaishree Chahande, Usha Radke, Priti Jaiswal
Background: Success of complete denture treatment lies in the ability to make it indiscernible from the natural. The selection of the six maxillary anterior teeth is of utmost importance as it contributes most to denture esthetics. Although various techniques and methods to determine the width of maxillary anterior teeth and its relation to various body measurements were done, the simple technique of using circumference of head has been less documented, specifically for Indian population...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29430139/cytotoxic-effect-of-indigenously-fabricated-dental-magnets-for-application-in-prosthodontics
#8
Satyabodh Shesharaj Guttal, Ramesh K Nadiger, Pravinkumar Shetty
Context: Dental magnets are used for retaining removable prostheses such as a removable partial denture, complete denture, and maxillofacial prosthesis. They provide good retention for the prostheses. However, the elements released from the magnets may be cytotoxic for the tissues. Therefore, it is necessary to evaluate their cytotoxic effect on cell lines. Aim: The aim of the study is to check the cytotoxic effect of indigenously fabricated dental magnets on animal cell lines...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29430138/relative-presence-of-streptococcus-mutans-veillonella-atypica-and-granulicatella-adiacens-in-biofilm-of-complete-dentures
#9
Binoy Mathews Nedumgottil
Aims and Objective: Oral biofilms in denture wearers are populated with a large number of bacteria, a few of which have been associated with medical conditions such as sepsis and infective endocarditis (IE). The present study was designed to investigate the relative presence of pathogenic bacteria in biofilms of denture wearers specifically those that are associated with IE. Methods: Biofilm samples from 88 denture wearers were collected and processed to extract total genomic DNA...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29430137/a-clinico-radiographic-study-to-compare-and-co-relate-sagittal-condylar-guidance-determined-by-intraoral-gothic-arch-tracing-method-and-panoramic-radiograph-in-completely-edentulous-patients
#10
Sanath Shetty, Mythili Kunta, Kamalakanth Shenoy
Purpose: The purpose of this study was to compare and correlate sagittal condylar guidance determined by intraoral gothic arch tracing method and panoramic radiograph in edentulous patients. Materials and Methods: Twelve completely edentulous patients were selected by the inclusion and exclusion criteria. Conventional steps in the fabrication of complete denture till jaw relation were carried out. Intraoral gothic arch tracing and protrusive interocclusal records were obtained for each patient...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29429839/comparison-of-digital-surface-displacements-of-maxillary-dentures-based-on-noninvasive-anatomic-landmarks
#11
Nicholas G Norvell, Tom V Korioth, David R Cagna, Antheunis Versluis
STATEMENT OF PROBLEM: Artificial markers called fiducials are commonly used to orient digitized surfaces for analysis. However, when these markers are tangible and placed in the region of interest, they may alter surface topography and influence data analysis. PURPOSE: The purpose of this in vitro study was to apply a modified digital surface fitting method based on anatomic landmarks to evaluate denture accuracy and to use 2 different denture processing techniques to evaluate the method...
February 8, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29429838/multidisciplinary-management-of-a-partially-edentulous-patient-with-oromandibular-dystonia-a-clinical-report
#12
Olcay Sakar, Zeliha Matur, Zeynep Mumcu, Pinar Sesen, Emre Oge
Oromandibular dystonia (OMD) is defined as a subset of movement disorders characterized by involuntary muscle contraction in different parts of the oromandibular region. This clinical report presents a multidisciplinary approach to the management of a patient with OMD. The involuntary movement of her mandible and tongue was improved with a mandibular custom occlusal splint and maxillary modified removable complete denture together with botulinum toxin A injections.
February 8, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29429836/diagnosis-and-treatment-of-orofacial-pain-in-a-patient-with-unserviceable-complete-dentures-a-clinical-report
#13
Audrey M Selecman, Swati A Ahuja
An ill-fitting complete denture has the potential to create pain and discomfort as well as conceal or confound the diagnosis of other primary sources of orofacial pain such as trigeminal neuralgia. Guidelines of the American Academy of Orofacial Pain offer an evidence-based approach for the assessment, diagnosis, and management of orofacial pain. A complete and accurate differential diagnosis is paramount to the success of treatment as well as to the circumvention of unnecessary therapy. The purpose of this clinical report was to emphasize an evidence-based approach to the diagnosis and treatment of orofacial pain in a patient with edentulism and a history of prolonged denture wear...
February 8, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29428169/effectiveness-of-a-combination-denture-cleaning-method-versus-a-mechanical-method-comparison-of-denture-cleanliness-patient-satisfaction-and-oral-health-related-quality-of-life
#14
Yuya Baba, Yusuke Sato, Gaku Owada, Shunsuke Minakuchi
PURPOSE: Effective denture plaque control is necessary in elderly individuals to prevent oral and systemic diseases. However, comparative studies of denture cleaning methods are limited, especially those investigating patient satisfaction. The present study aimed to evaluate effectiveness of a mechanical denture cleaning method versus a combination of mechanical and chemical methods in terms of denture cleanliness, patient satisfaction, and oral health-related quality of life (OHRQoL)...
February 7, 2018: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29426786/effect-of-feldspathic-porcelain-layering-on-the-marginal-fit-of-zirconia-and-titanium-complete-arch-fixed-implant-supported-frameworks
#15
Burak Yilmaz, Faris A Alshahrani, Ediz Kale, William M Johnston
STATEMENT OF PROBLEM: Veneering with porcelain may adversely affect the marginal fit of long-span computer-aided design and computer-aided manufacturing (CAD-CAM) implant-supported fixed prostheses. Moreover, data regarding the precision of fit of CAD-CAM-fabricated implant-supported complete zirconia fixed dental prostheses (FDPs) before and after porcelain layering are limited. PURPOSE: The purpose of this in vitro study was to evaluate the effect of porcelain layering on the marginal fit of CAD-CAM-fabricated complete-arch implant-supported, screw-retained FDPs with presintered zirconia frameworks compared with titanium...
February 6, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29423993/cytokine-gene-polymorphism-in-denture-stomatitis-patients-a-clinical-study
#16
Aysun Coşkun Keşoğlu, Canan Bural, Gonca Erköse Genç, Zayre Erturan, Çiğdem Çınar, Fatma Oğuz, Tayfun Bilgin, Hakan Bilhan
OBJECTIVE: This clinical study investigated the association between cytokine gene polymorphism and Candida growth in DS patients. SUBJECTS AND METHODS: Saliva and blood samples of 160 complete denture wearers (80 healthy controls and 80 with DS) were collected for mycological and gene polymorphism testing, respectively. Salivary Candida growth and TNF-α, TGF-β, IL-6 and IL-10 genotypes were investigated. Data were analyzed using Student t-test, Mann-Whitney U, Chi-square analysis and Continuity (yates) correction tests (p<...
February 9, 2018: Oral Diseases
https://www.readbyqxmd.com/read/29422467/spirometric-assessment-of-impact-of-complete-dentures-on-respiratory-performance-an-in-vitro-study
#17
H S Indrakumar, Deepa Venkatesh, Vidya V Adoni, Rucha Kashyap, D Jayanthi, Nikhil Prakash
INTRODUCTION: Edentulism is one of the debilitating states affecting a significant portion of the geriatric population. It is often considered as the ultimate marker for predicting the pressure and burden on oral health. Respiration is also a routine vital function running continuously through the human body and most commonly assessed by a spirometer. Hence, we planned the present study to assess the impact of complete dentures on the functioning of the respiratory system. MATERIALS AND METHODS: In the present study, a spirometric assessment of the effect of complete dentures on respiratory performance was done...
February 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29420301/numerical-investigation-of-complete-mandibular-dentures-stabilized-by-conventional-or-mini-implants-in-patient-individual-models
#18
Anna Lohmann, Ludger Keilig, Friedhelm Heinemann, Christoph Bourauel, Istabrak Hasan
Poor stability of a complete denture is a common problem due to bone atrophy of the edentulous ridge. The aim of the present study was to analyze denture stability after receiving implants and to study the biomechanical properties of denture implants and the bone bed using conventional or mini implants. Five models based on computed tomography (CT) data of edentulous patients were created. The overdentures' connection to the implants was assured by means of ball head abutments and rubber rings. In three models, the denture was supported by two to four conventional implants and in two models, the overdenture was supported by three to five mini implants...
February 8, 2018: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/29403236/complete-overlay-denture-for-pedodontic-patient-with-severe-dentinogenesis-imperfecta
#19
Gibi Syriac, Elizabeth Joseph, Suresh Rupesh, Josey Mathew
Dentinogenesis imperfecta (DI) is a hereditary condition that may affect both primary and permanent dentition and is characterized by abnormal dentin formation. The teeth may be discolored with chipping of enamel and, in untreated cases, the entire dentition may wear off to the gingiva. This may lead to the formation of abscesses, tooth mobility, and early loss of teeth. In the Indian population, DI is found to have an incidence of 0.09%. Treatment of DI should aim to remove infection, if any, from the oral cavity; restore form, function, and esthetics; and protect posterior teeth from wear for maintaining the occlusal vertical dimension...
October 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29385165/a-novel-expert-system-for-objective-masticatory-efficiency-assessment
#20
Gustavo Vaccaro, José Ignacio Peláez, José Antonio Gil-Montoya
Most of the tools and diagnosis models of Masticatory Efficiency (ME) are not well documented or severely limited to simple image processing approaches. This study presents a novel expert system for ME assessment based on automatic recognition of mixture patterns of masticated two-coloured chewing gums using a combination of computational intelligence and image processing techniques. The hypotheses tested were that the proposed system could accurately relate specimens to the number of chewing cycles, and that it could identify differences between the mixture patterns of edentulous individuals prior and after complete denture treatment...
2018: PloS One
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