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implant supported overdenture

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https://www.readbyqxmd.com/read/29430136/a-comparative-evaluation-of-fatigue-resistance-of-two-different-implant-overdenture-stud-attachments-with-two-different-denture-base-materials-an-in-vitro-study
#1
Namrata Agrawal, Sumeet Jain, Deepak Agrawal
Introduction: The two implant-supported overdentures have overcome the retention and stability-related problems of conventional mandibular denture. Stud attachments are widely available, less expensive, and easy to use. Aims and Objectives: To determine fatigue resistance of two different stud attachments with two denture base materials - autopolymerizing and heat cure acrylic resin till 4320 cycles simulating 03 years of service. Materials and Methods: Stud implant overdenture attachments, i...
January 2018: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29420301/numerical-investigation-of-complete-mandibular-dentures-stabilized-by-conventional-or-mini-implants-in-patient-individual-models
#2
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/29380471/management-of-challenging-esthetic-anterior-cases-with-limited-restorative-space-a-clinical-report
#3
Ahmed Afify, Stephan Haney
With careful restorative planning and surgical placement, dental implants can be used to support and retain a wide range of esthetic prostheses. When implant planning or surgical executions are less than ideal, however, the resulting restorative space can be a significant obstacle to successful treatment. The aim of this article is to describe the use of a customized anterior bar to support a partial overdenture prosthesis for a youthful patient with a high smile line and a limited restorative space of 6 mm...
January 29, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29378993/heat-cured-acrylic-resin-versus-light-activated-resin-a-patient-professional-and-technician-based-evaluation-of-mandibular-implant-supported-overdentures
#4
S A Asal, H M Al-AlShiekh
CONTEXT: Although light-activated resins (Eclipse) have been reported to possess superior physical and mechanical properties compared with the heat-cured acrylic resins (Lucitone-199), a few studies have compared overdentures with a locator attachment constructed from heat-cured acrylic resins with those constructed from light-activated resins. AIMS: This clinical study was designed to compare the performance of a mandibular implant-supported overdenture constructed from a heat-cured acrylic resin (Lucitone-199) with that of an overdenture constructed from a light-activated resin (Eclipse)...
December 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29359339/adapting-the-vertical-position-of-implants-with-a-conical-connection-in-relation-with-soft-tissue-thickness-prevents-early-implant-surface-exposure-a-2-year-prospective-intra-subject-comparison
#5
Stijn Vervaeke, Carine Matthys, Rima Nassar, Veronique Christiaens, Jan Cosyn, Hugo De Bruyn
AIM: To evaluate the effect of soft tissue thickness on bone remodeling and to investigate if implant surface exposure can be avoided by adapting the vertical implant position in relation to the soft tissue thickness. MATERIALS&METHODS: Twenty-five patients received two non-splinted implants supporting an overdenture in the mandible. Soft tissue thickness was measured using bone sounding and ultrasonically. One implant was installed equicrestally(control) and the vertical position of the second implant was adapted to the site-specific soft tissue thickness(test)...
January 23, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29300207/stress-distribution-in-splinted-and-unsplinted-implant-supported-maxillary-overdentures-a-3d-finite-element-analysis
#6
Allahyar Geramy, Sareh Habibzadeh
INTRODUCTION: This study was accomplished to assess the biomechanical state of splinting in implant-supported maxillary overdentures. MATERIALS AND METHODS: Two models of maxillary overdentures were designed in SolidWorks 2011. The first model included 4 separate implants and ball abutments, whereas the second one included 4 splinted implants connected with a bar. Evaluation was performed in ANSYS Workbench software with 200 N load applied at the molar-premolar region, bilaterally...
January 3, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29258637/mandibular-implant-overdentures-treatment-and-medico-legal-considerations
#7
Charlotte Stilwell
The concept of a two-implant overdenture as the minimum standard of care or first choice treatment for the edentulous mandible was first proposed in 2002 and has since been backed by an overwhelming body of evidence supporting greater patient satisfaction and improved quality of life. This article examines the implant overdenture concept and its various options and discusses best practice from both the patient's and a medico-legal standpoint.
December 1, 2017: Primary Dental Journal
https://www.readbyqxmd.com/read/29249880/a-comparative-evaluation-of-chewing-efficiency-masticatory-bite-force-and-patient-satisfaction-between-conventional-denture-and-implant-supported-mandibular-overdenture-an-in-vivo-study
#8
Arjun Jawahar Sharma, Rahul Nagrath, Manesh Lahori
Purpose: The purpose of this within-subject crossover clinical trial was to compare and evaluate the chewing efficiency, masticatory bite force, and patient satisfaction with conventional dentures and two implant-retained mandible overdentures after 4 weeks of usage. Method: This within-subject crossover clinical trial was carried out in the Department of Prosthodontics in K.D Dental College and Hospital. A total 15 patients were selected for the study. To report the changes in chewing efficiency by chewing 6gms of peanuts with 40 chewing strokes and comparing the particle size of the chewed material between two implant retained mandibular overdenture with that of conventional denture using micro vu excel gantry type visual measurement machine...
October 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/29221613/immediate-loading-probably-lowers%C3%A2-the-survival-rate-of-single-mandibular-implants-supporting-mandibular-overdentures-compared-with-delayed-loading
#9
Romina Brignardello-Petersen
No abstract text is available yet for this article.
December 2, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29197445/patients-are-more-satisfied-with-implant-supported-mandibular-overdentures-than-with-conventional-dentures
#10
Qi Yan, Fang Hua, Bin Shi
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Comparison of implant supported mandibular overdentures and conventional dentures on quality of life: a systematic review and meta-analysis of randomized controlled studies. Sivaramakrishnan G, Sridharan K. Aust Dent J. 2016; 61(4):482-8. SOURCE OF FUNDING: The authors received no financial support for this study. TYPE OF STUDY/DESIGN: Systematic review.
December 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/29195821/early-implant-placement-for-a-patient-with-ectodermal-dysplasia-thirteen-years-of-clinical-care
#11
Lisa A Knobloch, Peter E Larsen, Paola C Saponaro, Emilie L'Homme-Langlois
Patients with ectodermal dysplasia have abnormalities of 2 or more structures that originate from the ectoderm. The oral manifestations often include the congenital absence of teeth and malformed teeth. This clinical report describes the interdisciplinary care from childhood through the definitive dental rehabilitation completed at skeletal maturation to replace the missing teeth in a patient with ectodermal dysplasia. Treatment began at 9 years of age with an implant-assisted mandibular overdenture to improve function and replace the missing mandibular teeth...
November 29, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29189390/quality-of-life-of-implant-supported-overdenture-and-conventional-complete-denture-in-restoring-the-edentulous-mandible-a-systematic-review
#12
Li Zhang, Chunxiao Lyu, Zhenzhen Shang, Aidi Niu, Xing Liang
OBJECTIVE: The aim of this systematic review was to evaluate the oral health-related quality of life (OHRQoL) associated with an implant-supported overdenture (IOD) compared with a conventional complete denture (CCD) in restoring the edentulous mandible. METHODS: A literature search was performed in the MEDLINE (through Ovid), PubMed, and Cochrane Library databases for articles published between 1990 and July 2016. The search was restricted to articles published in English...
December 2017: Implant Dentistry
https://www.readbyqxmd.com/read/29146396/effect-of-implant-loading-protocols-on-failure-and-marginal-bone-loss-with-unsplinted-two-implant-supported-mandibular-overdentures-systematic-review-and-meta-analysis
#13
REVIEW
M H E-D Helmy, A Y Alqutaibi, A A El-Ella, A F Shawky
The aim of this study was to compare implant failure and radiographic bone level changes with different loading protocols for unsplinted two-implant-supported mandibular overdentures. An electronic search of two databases (PubMed, Cochrane Library) was performed, without language restriction, to identify randomized controlled trials (RCTs) comparing immediate or early versus conventional dental implant loading protocols for unsplinted two-implant-supported mandibular overdentures. Data were extracted independently by two reviewers...
November 13, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29142645/effect-of-implant-and-occlusal-load-location-on-stress-distribution-in-locator-attachments-of-mandibular-overdenture-a-finite-element-study
#14
Angel Alvarez-Arenal, Ignacio Gonzalez-Gonzalez, Hector deLlanos-Lanchares, Elena Martin-Fernandez, Aritza Brizuela-Velasco, Joseba Ellacuria-Echebarria
PURPOSE: The aim of this study is to evaluate and compare the stress distribution in Locator attachments in mandibular two-implant overdentures according to implant locations and different loading conditions. MATERIALS AND METHODS: Four three-dimensional finite element models were created, simulating two osseointegrated implants in the mandible to support two Locator attachments and an overdenture. The models simulated an overdenture with implants located in the position of the level of lateral incisors, canines, second premolars, and crossed implant...
October 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29100602/mandibular-atrophy-may-not-affect-the-masticatory-performance-swallowing-and-oral-health-related-quality-of-life-of-patients-receiving-2-implant-supported-overdentures
#15
Romina Brignardello-Petersen
No abstract text is available yet for this article.
October 28, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29090984/a-qualitative-study-on-patient-s-perceptions-of-two-types-of-attachments-for-implant-overdentures
#16
Rubens Ferreira de Albuquerque Junior, Marina Pisani, Christophe Bedos, Cláudia Helena Lovato da Silva, Olivier Fromentin
The aim of this qualitative study was to gain a deeper understanding of patient's perceptions of wearing implant retained overdentures with ball-shaped or cylindrical attachment systems. Twenty-two wearers of implant-supported overdentures participated in this qualitative study based on a randomized crossover clinical trial that aimed to compare a cylindrical attachment (Locator, Zest Anchors Inc, Escondido, CA, USA) and a ball attachment (Retentive Anchor, Straumann AG, Basel, Switzerland). In the phase I of the study, group A experienced ball attachments (n=11) and group B Locator attachment (n=11) for one year...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29084305/influence-of-attachment-height-and-shape-on-lateral-force-transmission-in-implant-overdenture-treatment
#17
Ziwei Ying, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: The purpose of this preliminary study was to examine the influence of overdenture attachment height and shape on lateral force on implants and denture displacement. MATERIALS AND METHODS: A straight model was fabricated to simulate the edentulous ridge. Two strain gauges were attached to the mesial and distal surfaces of the implant in the canine area. Five types of ball attachments and three types of Locator attachments with three types of replacement male attachments were used...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29084295/two-implant-supported-mandibular-overdentures-do-clinical-denture-quality-and-inter-implant-distance-affect-patient-satisfaction
#18
Sara A Alfadda, Mohammad D Al Amri, Amal Al-Ohali, Arwa Al-Hakami, Noura Al-Madhi
PURPOSE: To investigate the following three null hypotheses in patients rehabilitated with a mandibular overdenture supported by two unsplinted implants: (1) patient satisfaction is not related to the clinical quality of the dentures; (2) inter-implant distance (IID) has no effect on the clinical quality of the dentures; and (3) IID does not influence patient satisfaction. MATERIALS AND METHODS: Forty edentulous patients who were rehabilitated with a two-implant-supported mandibular overdenture participated in the study...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29071777/bar-versus-ball-attachments-for-implant-supported-overdentures-in-complete-edentulism-a-systematic-review
#19
REVIEW
Marwah Anas El-Wegoud, Ahmed Fayyad, Amal Kaddah, Ashraf Nabhan
BACKGROUND: Implant-supported overdenture is one of the most predictable treatment options used in complete edentulism. However, differences have been reported between bar and ball attachments used to retain overdentures in terms of patient satisfaction and prosthesis retention. PURPOSE: The purpose of this study is to compare the effectiveness of bar and ball attachments for conventionally loaded implant-supported overdentures in completely edentulous patients to improve patient satisfaction and prosthesis retention...
October 25, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28965674/stress-distribution-of-single-implant-retained-overdenture-reinforced-with-a-framework-a-finite-element-analysis-study
#20
Camilla F Amaral, Rafael S Gomes, Renata C M Rodrigues Garcia, Altair A Del Bel Cury
STATEMENT OF PROBLEM: Studies have demonstrated the effectiveness of a single-implant-retained mandibular overdenture for elderly patients with edentulism. However, due to the high concentration of stress around the housing portion of the single implant, this prosthesis tends to fracture at the anterior region more than the 2-implant-retained mandibular overdenture. PURPOSE: The purpose of this finite-element analysis study was to evaluate the stress distribution in a single-implant-retained mandibular overdenture reinforced with a cobalt-chromium framework, to minimize the incidence of denture base fracture...
September 28, 2017: Journal of Prosthetic Dentistry
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