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https://www.readbyqxmd.com/read/29691550/-effect-of-ball-attachments-with-different-materials-on-retention-of-mandibular-implant-supported-overdenture
#1
Wen-Jun She, Jia-Jing He, Yun-Jia Liu, Ting Jiao
PURPOSE: To investigate the effect of ball attachments with different materials on retention of mandibular implant supported overdenture. METHODS: The experimental groups were divided into group A (titanium ball / titanium cap group) and group B (titanium ball / golden cap group), each group had 3 samples. A standard mandibular edentulous model was made, and the implants (4.8*10 RN SP) were embedded in the bilateral canine region. Mandibular complete dentures were made routinely and the attachments were attached...
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29679427/a-randomized-clinical-trial-of-oral-health-related-quality-of-life-peri-implant-and-kinesiograph-parameters-in-wearers-of-one-or-two-implant-mandibular-overdentures
#2
Vivian Barnabé Policastro, André Gustavo Paleari, Andressa Rosa Perin Leite, Danny Omar Mendoza-Marin, Ana Flávia Balestrero Cassiano, Luciana Machion Shaddox, Marco Antonio Compagnoni, Ana Carolina Pero
PURPOSE: The present randomized clinical trial compared the oral health-related quality of life (OHRQoL), peri-implant parameters, mandible movements, and maxillary complete denture movement during chewing between wearers of single- (1-IOD) and wearers of two-implant overdentures (2-IODs) for a period of 12 months. MATERIALS AND METHODS: Twenty-one complete denture wearers were randomly allocated into two parallel groups: 1-IOD (n = 11) or 2-IODs (n = 10). The validated Brazilian version of the OHIP-EDENT was used to evaluate the OHRQoL...
April 20, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29663516/a-2-year-prospective-study-of-single-implant-mandibular-overdentures-patient-reported-outcomes-and-prosthodontic-events
#3
Túlio Eduardo Nogueira, Fernanda Maria Oliveira Aguiar, Bento Alves de Barcelos, Cláudio Rodrigues Leles
OBJECTIVE: This prospective clinical trial aimed to assess clinical and patient-reported outcomes of the single-implant mandibular overdenture treatment (SIMO) after a 2-year follow-up period. MATERIALS AND METHODS: An external hexagon implant was inserted in the mandibular midline of 45 complete denture wearers. Participants had a mean age of 63.4 (SD = 8.3), and 75.6% were female. Based on the primary stability of the implant, immediate loading was performed in 38 patients (84...
April 16, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29657535/effect-of-heat-polymerization-conditions-and-microwave-on-the-flexural-strength-of-polymethyl-methacrylate
#4
Serhat Emre Ozkir, Burak Yilmaz, Server Mutluay Unal, Ahmet Culhaoglu, Isin Kurkcuoglu
Objective: The objective of this study is the effect of different heat polymerization conditions on the strength of polymethyl methacrylate (PMMA) resin base is unknown. Distinguishing one method that provides improved mechanical properties may be beneficial to the clinical success of complete and partial dentures and overdentures. The purpose of this study was to evaluate the effect of different polymerization methods on the flexural strength of a dental PMMA resin. Materials and Methods: Forty PMMA specimens (64 mm × 10 mm × 4 mm) were prepared with 4 different polymerization methods ( n = 10); heat polymerization at 74°C for 9 h, at 100°C for 40 min, and with 620 kPa pressure at 100°C for 20 min...
January 2018: European Journal of Dentistry
https://www.readbyqxmd.com/read/29651059/aesthetic-possibilities-in-removable-prosthodontics-part-3-photometric-tooth-selection-tooth-setting-try-in-fitting-reviewing-and-trouble-shooting
#5
J N Besford, A F Sutton
This final article in a series of three on producing complete dentures which the patient considers attractive, describes selecting the denture teeth, setting the front teeth at the chairside, the try-in visits, processing, fitting and reviewing the dentures. The role of the patient as captain of the ship, the dental nurse as the patient's support and liaison officer, and the clinician as the first technical officer is outlined. The use of immediate replay video technology in allowing a patient to see what the trial denture really looks like is described...
April 13, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29624629/using-intraoral-scanning-to-capture-complete-denture-impressions-tooth-positions-and-centric-relation-records
#6
Brian J Goodacre, Charles J Goodacre, Nadim Z Baba
Intraoral scanning was used to capture the soft tissue surfaces of both maxillary and mandibular edentulous ridges and the denture borders. Additionally, an intraoral scanner was used to digitize existing dentures with their tooth positions and base forms and a centric relation record obtained with a Gothic arch-tracing device. These scans provided all the required records for fabrication of computer-aided design/computer-assisted manufacturing of complete dentures.
April 6, 2018: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29623141/functional-assessment-of-the-stomatognathic-system-after-the-treatment-of-edentulous-patients-with-different-methods-of-establishing-the-centric-relation
#7
Aleksandra Nitecka-Buchta, Thomas Proba, Paulina Proba, Kamil Stefański, Stefan Baron
The study compares subjective experiences of patients, wearing complete dentures. Two different methods of determining a centric relation were performed: the traditional method using wax occlusal rims and the Gerber method, based on gothic arch tracings. The success rate of establishing a centric relation in both methods was evaluated (rentgenodiagnostics). The influence of the method used to obtain the centric relation on patients' stomatognathic system (condyle centralization, pain) was also evaluated. Better results were achieved in gothic arch tracing method...
2018: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29617037/final-impression-techniques-and-materials-for-making-complete-and-removable-partial-dentures
#8
REVIEW
Srinivasan Jayaraman, Balendra P Singh, Balasubramanian Ramanathan, Murukan Pazhaniappan Pillai, Laura MacDonald, Richard Kirubakaran
BACKGROUND: Endentulism is relatively common and is often treated with the provision of complete or partial removable dentures. Clinicians make final impressions of complete dentures (CD) and removable partial dentures (RPD) using different techniques and materials. Applying the correct impression technique and material, based on an individual's oral condition, improves the quality of the prosthesis, which may improve quality of life. OBJECTIVES: To assess the effects of different final-impression techniques and materials used to make complete dentures, for retention, stability, comfort, and quality of life in completely edentulous people...
April 4, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29610780/systematics-and-concepts-for-the-digital-production-of-complete-dentures-risks-and-opportunities
#9
Josef Schweiger, Juliane Stumbaum, Daniel Edelhoff, Jan-Frederik Güth
The rehabilitation of the edentulous patient with complete dentures is still an essential aspect of dental prosthetics. Modern digital manufacturing technologies have made it possible to produce even complete dentures digitally. This has several advantages, especially regarding the properties of the denture material. In addition, the use of digital technology facilitates new treatment concepts and procedures that reduce the number of appointments needed at the dental office.
2018: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/29610779/evaluation-of-flexural-strength-and-surface-properties-of-prepolymerized-cad-cam-pmma-based-polymers-used-for-digital-3d-complete-dentures
#10
Mustafa Arslan, Sema Murat, Gulce Alp, Ali Zaimoglu
PURPOSE: The objectives of this in vitro study were to evaluate the flexural strength (FS), surface roughness (Ra), and hydrophobicity of polymethylmethacrylate (PMMA)-based computer-aided design/computer-aided manufacturing (CAD/CAM) polymers and to compare the properties of different CAD/CAM PMMA-based polymers with conventional heat-polymerized PMMA following thermal cycling. MATERIALS AND METHODS: Twenty rectangular-shaped specimens (64 × 10 × 3.3 mm) were fabricated from three CAD/CAM PMMA-based polymers (M-PM Disc [M], AvaDent Puck Disc [A], and Pink CAD/CAM Disc Polident [P], and one conventional heat-polymerized PMMA (Promolux [C]), according to ISO 20795-1:2013 standards...
2018: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/29610778/testing-occlusal-performance-by-using-chewing-simulation-with-virtually-designed-substrate
#11
Andra Maria Pascale, Sebastian Ruge, Steffen Hauth, Bernd Kordaß, Lars Linsen
Physically accurate deformable models based on the finite element method (FEM) are being used for a wide range of applications, from entertainment to medicine. This article describes how we applied this method in the CAD/CAM area that is concerned with reconstructing 3D models of teeth. We simulated the process of mastication by employing a deformable model that represented the substrate, and a rigid model that represented the teeth. We extended a recent approach for substrate deformation by also modelling the fracture of the substrate by the mastication process...
2018: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/29610776/occlusion-of-artificial-teeth-in-complete-dentures-population-based-analysis
#12
Bernd Kordaß, Alexandra Quooß, Diana John, Sebastian Ruge
Occlusion is a central aspect of all prosthetic restorations, including complete dentures. Within the follow-up (SHIP 1) of the regional population-based "Study of Health in Pomerania" (SHIP), a number of 3300 study participants were examined concerning the occlusion of artificial teeth in purely mucosa and non-implant-borne complete dentures. These subjects were representative of the population. Therefore, occlusal bite registrations obtained in habitual intercuspation (IP) were made and were digitally evaluated with the Greifswald Digital Analyzing System (GEDAS) software based on transparent contact areas...
2018: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/29610775/editorial-digital-complete-dentures-quo-vadis
#13
Bernd Kordaß
No abstract text is available yet for this article.
2018: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/29610621/therapeutic-challenge-in-a-severely-atrophic-mandible
#14
Edvard Janev, Nadica Janeva, Marija Peeva-Petreska, Kristina Mitic
BACKGROUND: After tooth loss, however, severely atrophic residual alveolar ridges are fairly common, especially in patients who have been edentulous for a long period. Anterior area of the mandible is areas where clinicians have greater anatomical limitations. Reduced alveolar bone height very often represents a contraindication to implant therapy, unless a procedure such as a ridge augmentation is performed. CASE REPORT: This study aims to present two separate cases in highly selected edentulous anterior mandibular sites, where one stage, mini implants were used to support total prostheses...
March 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29610620/evaluation-of-maximum-bite-force-in-patients-with-complete-dentures
#15
Kujtim Shala, Arlinda Tmava-Dragusha, Linda Dula, Teuta Pustina-Krasniqi, Teuta Bicaj, Enis Ahmedi, Zana Lila
OBJECTIVE: This study aimed to evaluate maximum bite forces (mBF) in dominant (DS) and non-dominant sides (NDS) at certain time periods after the insertion of new complete dentures based on prior experience and gender. MATERIALS AND METHODS: A total of 88 patients, complete denture wearers (CDWs), were examined. The maximum bite force at the intercuspal position between the first molars in 3 seconds was registered and recorded with piezoelectric gnathodynamometer...
March 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29599597/prosthetic-rehabilitation-of-hemimandibulectomy-defect-with-removable-partial-denture-prosthesis-using-an-attachment-retained-guiding-flange
#16
Sangeeta J Nair, I N Aparna, B Dhanasekar, Nayana Prabhu
The restoration of normal function and esthetics is often challenging in the prosthetic rehabilitation of patients with hemimandibulectomy defects due to unstable occlusion and mandibular deviation. The extensive period of time for completion of healing of the reconstructed mandible through reconstructive plastic surgery and/or implant-assisted prosthesis may compromise the masticatory function by causing delay in the fabrication of definitive prosthesis. This case report describes a novel technique for the construction of customized attachment-retained mandibular guiding flange prosthesis for immediate rectification of the frontal plane rotation occurring after hemimandibulectomy...
January 2018: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29580562/an-alternative-digital-workflow-for-fabricating-a-mandibular-implant-supported-complete-fixed-dental-prosthesis-with-limited-restorative-space-a-clinical-report
#17
Druthil Belur, William W Nagy
This clinical report describes the prosthetic rehabilitation of a patient with a mandibular implant-supported complete fixed dental prosthesis with limited interocclusal restorative space. The problem was manifested by repeated fractures of the acrylic resin teeth and distortion of the supporting framework. The definitive restoration included a custom computer-aided design and computer-aided manufacturing (CAD-CAM) titanium framework with the lingual cusps and most of the occlusal table of the mandibular posterior teeth milled in titanium as part of the framework...
March 23, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29573048/rehabilitation-of-edentulism-and-mortality-a-systematic-review
#18
REVIEW
Avni Gupta, David A Felton, Torsten Jemt, Sreenivas Koka
PURPOSE: It has been shown that tooth loss is associated with an increased risk of early mortality, and that prosthetic rehabilitation of edentulism improves quality of life and reduces morbidity. This review examines association between prosthetic rehabilitation of the edentulous state with a complete denture and mortality. METHODS: A systematic search using combinations of related keywords for "complete denture" and "mortality" was performed on PubMed, Web of Science, and Google Scholar...
March 23, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29563442/accuracy-of-digitally-fabricated-wax-denture-bases-and-conventional-completed-complete-dentures
#19
Bogna Stawarczyk, Nina Lümkemann, Marlis Eichberger, Timea Wimmer
The purpose of this investigation was to analyze the accuracy of digitally fabricated wax trial dentures and conventionally finalized complete dentures in comparison to a surface tessellation language (STL)-dataset. A generated data set for the denture bases and the tooth sockets was used, converted into STL-format, and saved as reference. Five mandibular and 5 maxillary denture bases were milled from wax blanks and denture teeth were waxed into their tooth sockets. Each complete denture was checked on fit, waxed onto the dental cast, and digitized using an optical laboratory scanning device...
December 19, 2017: Dentistry journal
https://www.readbyqxmd.com/read/29558029/the-bond-shear-strength-of-methacrylate-materials-used-to-reduce-dental-and-alveolar-undercuts
#20
Włodzimierz Więckiewicz, Marcin Kasiak, Natalia Grychowska, Joanna Smardz, Mariusz Pryliński
BACKGROUND: The reduction of dental and alveolar undercuts on plaster models is an important issue in the process of planning partial and complete prostheses. In recent years, new materials such as methacrylate resins that can be used to reduce undercuts have emerged. Their great advantage is high temperature insensitivity and relatively high ease of use. OBJECTIVES: The study aimed at determining the factors that affect the shear bond strength, and which material can be better used at the laboratory stage of preparing the plaster model to facilitate the denture bearing area and reduce the traumatizing impact of the prosthesis...
March 19, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
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