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https://www.readbyqxmd.com/read/28089334/masticatory-function-and-oral-health-related-quality-of-life-in%C3%A2-patients-after-partial-maxillectomies-with-closed-or%C3%A2-open%C3%A2-defects
#1
Mohamed M Said, Takafumi Otomaru, Yesiboli Yeerken, Hisashi Taniguchi
STATEMENT OF PROBLEM: The healing pattern after surgical resection of tumors of the oral cavity involving the maxilla may vary from one patient to another. The result may be open communication between the oral and nasal cavities (open defect) or complete oronasal separation after healing of the defect area (closed defect). PURPOSE: The purpose of this clinical study was to compare masticatory function and oral health-related quality of life (OHRQoL) between patients with closed and open defects who had undergone a partial maxillectomy and were wearing dentomaxillary prostheses...
January 12, 2017: Journal of Prosthetic Dentistry
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/28042278/restorative-rehabilitation-in-a-patient-with-sports-trauma
#3
Haroon Rashid, Fahim Vohra, Graeme R Lillywhite
Sports trauma frequently involves insult to oral soft and hard tissues resulting in loss of tooth structure and tooth loss. Multiple sporting equipment's are employed to prevent irreversible damage to oro-facial structures, and to reduce the overall cost of treatment. However in the undesired consequence of loss of oral structures, multiple treatment options are utilized to restore, esthetics, comfort and function. Osseointegrated implant supported rehabilitation of oral structures in trauma cases provides highly predictable treatment outcomes along with preservation of remaining tissues...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28042277/distal-extension-mandibular-removable-partial-denture-with-implant-support
#4
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
#5
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/28018570/immediate-fixed-partial-denture-after-tooth-extraction-in-patients-with-systemic-diseases-a-clinical-report
#6
Hyun Sun Kang, Su Young Lee
For patients with systemic diseases who face difficulties visiting dental clinics, wearing fixed partial denture in the anterior region on the same day of tooth extraction can reduce the total period of treatment and the number of visits, as well as post-treatment psychological effect on the patient.
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
#7
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/27957285/dental-implants-after-the-use-of-bichat-s-buccal-fat-pad-for-the-sealing-of-oro-antral-communications-a-case-report-and-literature-review
#8
Cosimo Galletti, Giovanni Cammaroto, Francesco Galletti, Octavi Camps-Font, Cosme Gay-Escoda, José-Javier Bara-Casaus
Oro-antral communications are frequent complications in oral surgery, and generally occur after molar extractions, maxillary sinus elevations or dental implant procedures. The presence of these defects may increase the morbidity and often need a surgical approach. The present report describes an oro-antral communication in a 52-year-old female who presented a 2 week-course of painless nasal obstruction and rhinorrea after a right maxillary sinus floor elevationwith simultaneous dental implant placement. Based on the anamnesis, clinical examination and a computed tomographyof the paranasal sinuses, a diagnosis of odontogenic rhinosinusitis associated with a 1...
December 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27939656/clinical-audit-of-posterior-three-unit-fixed-movable-resin-bonded-fixed-partial-dentures-a-retrospective-preliminary-clinical-investigation
#9
Michael G Botelho, John E Dyson, Thomas H F Mui, Walter Y H Lam
BACKGROUND: Two-unit cantilevered resin-bonded fixed partial dentures (RBFPDs) have higher retention rates over longer span fixed-fixed RBFPDs. It has been hypothesized that interabutment stresses associated with fixed-fixed designs cause prosthesis debonds therefore for the replacement of molar-sized and longer spans, non-rigid connectors have been used to allow independent movement between two abutment teeth. OBJECTIVES: This preliminary study evaluates the clinical longevity and subjects' satisfaction of three-unit fixed-movable (FM3) RBFPDs provided at a dental teaching hospital...
December 6, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27917567/effects-of-rinsing-with-arginine-bicarbonate-and-urea-solutions-on-initial-enamel-lesions-in-situ
#10
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/27914668/three-dimensional-finite-element-analysis-of-implant-assisted-removable-partial-dentures
#11
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/27892564/zirconia-based-dental-ceramics-structure-mechanical-properties-biocompatibility-and-applications
#12
Chandkiram Gautam, Jarin Joyner, Amarendra Gautam, Jitendra Rao, Robert Vajtai
Zirconia (ZrO2) based dental ceramics have been considered to be advantageous materials with adequate mechanical properties for the manufacturing of medical devices. Due to its very high compression strength of 2000 MPa, ZrO2 can resist differing mechanical environments. During the crack propagation on the application of stress on the surface of ZrO2, a crystalline modification diminishes the propagation of cracks. In addition, zirconia's biocompatibility has been studied in vivo, leading to the observation of no adverse response upon the insertion of ZrO2 samples into the bone or muscle...
December 6, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27881308/technique-for-transferring-the-path-of-insertion-of-a-removable-partial-denture-to-a-cad-cam-generated-implant-surgical-template
#13
Thomas L Kwun, Michael Razzoog
A technique is described that uses a surveyor, gutta percha points, and a computer-aided design and computer-aided manufacturing (CAD-CAM)-guided implant surgery system to predetermine and transfer the ideal angulation of the implant to be placed.
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27880023/effect-of-cyclic-fatigue-tests-on-aging-and-their-translational-implications-for-survival-of-all-ceramic-tooth-borne-single-crowns-and-fixed-dental-prostheses
#14
REVIEW
Mutlu Özcan, Moritz Jonasch
PURPOSE: The objective of this systematic review was to elaborate the aging effect of cyclic fatigue tests on mechanical durability of all-ceramic single crowns and fixed dental prostheses (FDP). MATERIALS AND METHODS: Original scientific papers published in the MEDLINE (PubMed) database in English between 01/01/1950 and 12/31/2013 on cyclic loading on all-ceramics were included in this systematic review. The following MeSH terms, search terms, and their combinations were used: "in vitro," "stress mechanical," "crowns," "denture, partial, fixed," "dentistry," "fatigue," "all-ceramic," "zirconia," "fixed dental prosthesis," "FDP," "bridges," and "cyclic loading...
November 23, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27870167/design-of-complete-dentures-by-adopting-cad-developed-for-fixed-prostheses
#15
Yanfeng Li, Weili Han, Jing Cao, Yuan Iv, Yue Zhang, Yishi Han, Yi Shen, Zheng Ma, Huanyue Liu
The demand for complete dentures is expected to increase worldwide, but complete dentures are mainly designed and fabricated manually involving a broad series of clinical and laboratory procedures. Therefore, the quality of complete dentures largely depends on the skills of the dentist and technician, leading to difficulty in quality control. Computer-aided design and manufacturing (CAD/CAM) has been used to design and fabricate various dental restorations including dental inlays, veneers, crowns, partial crowns, and fixed partial dentures (FPDs)...
November 21, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/27861664/comparison-of-treatment-outcomes-in-partially-edentulous-patients-with-implant-supported-fixed-prostheses-and-removable-partial-dentures
#16
Toshifumi Nogawa, Yoshiyuki Takayama, Keita Ishida, Atsuro Yokoyama
PURPOSE: The aim of this study was to compare masticatory performance, occlusal force, and oral health-related quality of life (OHRQoL) in patients with mandibular distal-extension edentulism between those with implant-supported fixed prostheses (ISFPs) and those with removable partial dentures (RPDs), and to evaluate relationships among them. MATERIALS AND METHODS: Subjects were recruited from patients using ISFPs or RPDs for mandibular distal-extension edentulism...
November 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27861651/the-influence-of-bone-quality-on-the-biomechanical-behavior-of-a-tooth-implant-fixed-partial-denture-a-three-dimensional-finite-element-analysis
#17
Alexander Tsouknidas, Dimitrios Giannopoulos, Savvas Savvakis, Nikolaos Michailidis, Evdokia Lympoudi, Dimitrios Fytanidis, Argirios Pissiotis, Konstantinos Michalakis
PURPOSE: The purpose of this study was to evaluate whether or not bone quality has an effect on the biomechanical behavior of a tooth connected to an implant, when a rigid and a nonrigid attachment are used. MATERIALS AND METHODS: Models of fixed partial dentures supported by a tooth and an implant were developed. These models were then imported into finite element analysis software to study the impact of forces on different types of attachments (rigid vs nonrigid) and bones (types 1 to 4)...
November 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27858554/narrow-diameter-3-0-mm-versus-standard-diameter-4-0-and-4-5-mm-implants-for-the-splinted-partial-fixed-restoration-of-posterior-jaws-a-5-year-retrospective-cohort-study
#18
Francesco Pieri, Caterina Forlivesi, Ernesto Caselli, Giuseppe Corinaldesi
BACKGROUND: Evidence concerning the predictability of narrow-diameter implants (NDIs) (< 3.3 mm) to restore partially edentulous posterior areas is limited. The aim of this study was to compare the 5-year outcomes of NDIs (3.0 mm) and standard-diameter implants (SDIs) (4.0-4.5 mm) supporting fixed partial dentures (FPDs) in posterior jaws. METHODS: All patients treated with at least two adjacent NDIs or SDIs according to the available bone thickness and with a minimum follow-up of 5 years after placement were invited to undergo a clinical and radiologic examination...
November 18, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27829765/comparative-study-on-the-tensile-bond-strength-and-marginal-fit-of-complete-veneer-cast-metal-crowns-using-various-luting-agents-an-in-vitro-study
#19
B Devi Parameswari, M Rajakumar, G Lambodaran, Shyam Sundar
INTRODUCTION: Several commercially available luting agents are used to cement the dental restorations such as intra-coronal, extra-coronal, and fixed partial dentures. Tensile bond strength (TBS) and accurate marginal fit are the essential factors to determine the good clinical results in fixed prosthesis. The retentivity of the luting cements is assessed by their adhesive capacity over the tooth surface and metal surface. Generally, the adhesive ability has been evaluated with in vitro testing, with tensile bond tests...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/27829758/in-vitro-comparative-evaluation-of-mechanical-properties-of-temporary-restorative-materials-used-in-fixed-partial-denture
#20
D Saisadan, P Manimaran, P K Meenapriya
INTRODUCTION: Materials used to fabricate provisional restorations can be classified as acrylics or resin composites. Provisional crows can be either prefabricated or custom made. ACRYLICS: These materials have been used to fabricate provisional restorations since the 1930s and usually available as powder and liquid. They are the most commonly used materials today for both single-unit and multiple-unit restorations. In general, their popularity is due to their low cost, acceptable esthetics, and versatility...
October 2016: Journal of Pharmacy & Bioallied Sciences
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