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https://www.readbyqxmd.com/read/29461745/the-current-evidence-on-retaining-or-prosthodontically-replacing-retained-deciduous-teeth-in-the-adult-hypodontia-patient-a-systematic-review
#1
D P Laverty, K Fairbrother, O Addison
BACKGROUND: This systematic review aims to evaluate the survival of retaining or replacing deciduous teeth in hypodontia patients with a variety of prosthetic tooth replacement options, to evaluate prognostic factors associated with retaining deciduous teeth, and report on patient based outcomes with these treatment modalities. METHODS: MEDLINE, The Cochrane Central Register of Controlled Trials and Science Direct databases were searched (01/1980 - 08/2017) for studies reporting outcomes associated with retaining or replacing deciduous teeth via prosthetic means in adult hypodontia patients...
February 20, 2018: Community Dental Health
https://www.readbyqxmd.com/read/29448267/a-novel-computer-aided-design-computer-assisted-manufacture-method-for-one-piece-removable-partial-denture-and-evaluation-of-fit
#2
Hongqiang Ye, Xinxin Li, Guanbo Wang, Jing Kang, Yushu Liu, Yuchun Sun, Yongsheng Zhou
PURPOSE: To investigate a computer-aided design/computer-aided manufacturing (CAD/CAM) process for producing one-piece removable partial dentures (RPDs) and to evaluate their fits in vitro. MATERIALS AND METHODS: A total of 15 one-piece RPDs were designed using dental CAD and reverse engineering software and then fabricated with polyetheretherketone (PEEK) using CAM. The gaps between RPDs and casts were measured and compared with traditional cast framework RPDs...
February 15, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29448263/comparison-of-coronal-tooth-reductions-resulting-from-different-crown-preparations
#3
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/29448261/effects-of-impression-material-impression-tray-type-and-type-of-partial-edentulism-on-the-fit-of-cobalt-chromium-partial-denture-frameworks-on-initial-clinical-insertion-a-retrospective-clinical-evaluation
#4
Mirza Rustum Baig, Jaber Hussain Akbar, Muawia Qudeimat, Ridwaan Omar
PURPOSE: To evaluate the effects of impression material, impression tray type, and type of partial edentulism (ie, Kennedy class) on the accuracy of fit of cobalt-chromium (Co-Cr) partial removable dental prostheses (PRDP) in terms of the number of fabricated frameworks required until the attainment of adequate fit. MATERIALS AND METHODS: Electronic case documentations of 120 partially edentulous patients provided with Co-Cr PRDP treatment for one or both arches were examined...
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
#5
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/29442097/a-cast-partial-obturator-with-hollow-occlusal-shim-and-semi-precision-attachment
#6
Mukesh Kumar Singhal, Farah Ahmad, Chandana Nair, Pinki Bankoti
A maxillofacial patient's quality of life is distorted and social integration becomes difficult. An obturator is a maxillofacial prosthesis used to close a congenital or acquired tissue defect, primarily of the hard palate and/or contiguous alveolar/soft-tissue structures. Subsequently, it restores the esthetics, speech, and function. The present clinical report aimed for the prosthetic rehabilitation of a maxillectomy defect by the incorporation of a semi-precision attachment as PRECI-SAGIX - male part of 2...
January 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29437847/dental-students-perceived-clinical-competence-in-prosthodontics-comparison-of-traditional-and-problem-based-learning-methodologies
#7
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/29435517/a-detailed-decision-tree-to-create-preserve-transfer-and-support-the-emergence-profile-in-anterior-maxillary-implants-using-custom-abutments
#8
Eleftherios Grizas, Stefanos Kourtis, Efstathia Andrikopoulou, Georgios E Romanos
Rehabilitation with implants in the esthetic zone is one of the most demanding tasks due to the importance of obtaining an optimum esthetic result. The aim of this article was to present a workflow to create, preserve, transfer and support the emergence profile in anterior maxillary implants. Different methods are used surgically as well as prosthetically to construct an ideal restoration. When immediate loading can be applied in cases of increased primary stability, a provisional restoration is placed with occlusal contacts...
February 12, 2018: Quintessence International
https://www.readbyqxmd.com/read/29434797/effect-of-different-surface-treatments-and-retainer-designs-on-the-retention-of-posterior-pd-ag-porcelain-fused-to-metal-resin-bonded-fixed-partial-dentures
#9
Xiwen Chen, Yixin Zhang, Jinru Zhou, Chenfeng Chen, Zhimin Zhu, Lei Li
The aim of this study was to investigate the adhesive property of palladium-silver alloy (Pd-Ag) and the simulated clinical performance of Pd-Ag porcelain-fused-to-metal (PFM), resin-bonded, fixed partial dentures (RBFPDs). A total of 40 Pd-Ag discs (diameter=5 mm) were prepared and divided into the following four groups (n=10): a) No sandblasting, used as a control; and b, 50 µm; c, 110 µm; and d, 250 µm aluminum oxide (Al2O3) particles, respectively. Another 50 discs were pre-sandblasted and divided into five groups (n=10) subjected to different treatments: e) Sandblasting, used as a control; f) silane; g) alloy primer; h) silica coating + silane and i) silica coating + alloy primer...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29430139/cytotoxic-effect-of-indigenously-fabricated-dental-magnets-for-application-in-prosthodontics
#10
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/29429838/multidisciplinary-management-of-a-partially-edentulous-patient-with-oromandibular-dystonia-a-clinical-report
#11
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/29428170/fitness-and-retentive-force-of-cobalt-chromium-alloy-clasps-fabricated-with-repeated-laser-sintering-and-milling
#12
Mana Torii, Toyoki Nakata, Kazuya Takahashi, Noboru Kawamura, Hidemasa Shimpo, Chikahiro Ohkubo
PURPOSE: With computer-aided design and computer-aided manufacturing (CAD/CAM), the study was conducted to create a removable partial denture (RPD) framework using repeated laser sintering rather than milling and casting techniques. This study experimentally evaluated the CAM clasp and compared it to a conventional cast clasp. METHODS: After the tooth die was scanned, an Akers clasp was designed using CAD with and without 50μm of digital relief on the occlusal surface of the tooth die...
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
#13
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/29402540/nano-graphene-oxide-incorporated-into-pmma-resin-to-prevent-microbial-adhesion
#14
Jung-Hwan Lee, Jeong-Ki Jo, Dong-Ae Kim, Kapil Dev Patel, Hae-Won Kim, Hae-Hyoung Lee
OBJECTIVE: Although polymethyl methacrylate (PMMA) is widely used as a dental material, a major challenge of using this substance is its poor antimicrobial (anti-adhesion) effects, which increase oral infections. Here, graphene-oxide nanosheets (nGO) were incorporated into PMMA to introduce sustained antimicrobial-adhesive effects by increasing the hydrophilicity of PMMA. METHODS: After characterizing nGO and nGO-incorporated PMMA (up to 2wt%) in terms of morphology and surface characteristics, 3-point flexural strength and hardness were evaluated...
February 2, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29395474/fatigue-resistance-of-all-ceramic-fixed-partial-dentures-fatigue-tests-and-finite-element-analysis
#15
S D Heintze, D Monreal, M Reinhardt, A Eser, A Peschke, J Reinshagen, V Rousson
OBJECTIVE: To estimate the fatigue resistance of a new translucent zirconia material in comparison to lithium disilicate for 3-unit fixed partial dentures (FPDs). METHODS: Eighteen 3-unit FPDs (replacement of first upper molar) with a connector size of 4mm×4mm were dry milled with a five-axis milling machine (Zenotec Select, Wieland, Germany) using discs made of a new translucent zirconia material (IPS e.max ZirCAD MT, Ivoclar Vivadent). Another 9 FPDs with a reduced connector size (3mm×4mm) were milled...
January 27, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29362635/prosthodontic-rehabilitation-of-patient-with-anterior-hyper-function-syndrome
#16
Vesna Korunoska-Stevkovska, Ljuben Guguvcevski, Zaklina Menceva, Nikola Gigovski, Aneta Mijoska, Julijana Nikolovska, Emilija Bajraktarova-Valjakova
BACKGROUND: The success of prosthetic rehabilitation in patients with removable dentures depends on the achievement of the aesthetics, phonetics and most of all, proper use in the mastication process. All the patients that receive removable prostheses need a feeding education program. They must cut the food into smaller pieces, extend the length of time necessary for chewing and place the food upon both the right and left sides of the mouth at once. Bilaterally chewing with dentures will contribute to increased efficiency and denture stability during mastication...
December 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29358544/impact-of-removable-partial-denture-on-quality-of-life-of-sudanese-adults-in-khartoum-state
#17
Reem H Wahbi, Elfatih I Elamin
INTRODUCTION: Tooth loss can affect a patient's quality-of-life (QoL), impacting on aspects, such as nutritional intake, psychological status, self-image, and daily engaging in social interaction. The purpose of this study was to assess the oral health-related QoL (OHRQoL) among adult Sudanese patients wearing removable partial dentures (RPDs) by utilizing oral health impact profile-14 (OHIP-14) to assess patient satisfaction with their dentures. MATERIALS AND METHODS: The study population included 370 adult patients wearing RPDs...
January 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29332104/assessment-of-the-fit-of-removable-partial-denture-fabricated-by-computer-aided-designing-computer-aided-manufacturing-technology
#18
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/29323773/direct-fiber-reinforced-interim-fixed-partial-dentures-six-year-survival-study
#19
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
#20
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
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