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implant supported overdenture

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https://www.readbyqxmd.com/read/29674733/the-use-of-dental-implants-cast-bars-and-sleeve-overdentures-in-oral-cancer-patients
#1
R Ali, A Al-Khayatt, C Barclay
Surgical resection of an oral tumour (and the associated free flap reconstruction) can significantly alter the oral anatomy. The lack of sulcus depth, alveolar ridge, presence of a mobile flap and limited tongue movement can make it impossible for patients to control a removable prosthesis. To help this cohort of patients, dental implants can be invaluable. The Oral Rehabilitation Team at Central Manchester University Dental Hospital have used dental implants to rehabilitate oral cancer patients for over thirty years...
April 20, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29666713/comprehensive-treatment-of-severe-periodontal-and-periimplant-bone-destruction-caused-by-iatrogenic-factors
#2
Gregor-Georg Zafiropoulos, Andreas Parashis, Taha Abdullah, Evangelos Sotiropoulos, Gordon John
Dental implant success requires placement after periodontal therapy, with adequate bone volume, plaque control, primary stability, control of risk factors, and use of well-designed prostheses. This report describes the surgical and prosthetic management of a patient with severe iatrogenic periodontal/periimplant bone destruction. Methods. A 55-year-old female smoker with fixed partial dentures (FPDs) supported on teeth and implants presented with oral pain, swelling, bleeding, and a 10-year history of multiple implant placements and implants/prosthesis failures/replacements...
2018: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29610621/therapeutic-challenge-in-a-severely-atrophic-mandible
#3
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/29575488/a-randomized-controlled-clinical-trial-to-assess-crestal-bone-remodeling-of-four-different-implant-designs
#4
Maarten Glibert, Stijn Vervaeke, Wolfgang Jacquet, Kim Vermeersch, Pär-Olov Östman, Hugo De Bruyn
BACKGROUND: It is claimed that bone remodeling is limited when the implant neck has microthreads and an internal abutment connection. However, comparative studies, excluding confounding factors, are scarce. AIM: This RCT aims to assess whether a coronal microthreaded design and an internal abutment connection affects crestal bone loss, up to one year of function. MATERIALS AND METHODS: Twenty-one maxillary edentulous patients were consecutively treated for a bar supported maxillary overdenture on four different implants with respectively: internal connection and microthreads on the implant neck (I MT); internal connection, no microthreads (I NMT), external connection, with microthreads (E MT), and external connection, without microthreads (E NMT)...
March 25, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29508911/analysis-of-crestal-bone-loss-around-single-piece-ball-attachment-implant-placed-bilaterally-in-canine-region-and-wear-of-o-ring-in-implant-supported-overdenture-three-year-follow-up
#5
Fathima Banu Raza, Anand Kumar Vaidyanathan, Padmanabhan T Veeravalli, Subhiksha Ravishankar, Aashique S Ali
BACKGROUND: Single piece implant in fixed prosthesis is widely been evaluated, however, long term evaluation of crestal bone loss and the wear of O-ring in single piece ball attachment implant supported overdenture is yet to be evaluated PURPOSE: The present article evaluates the crestal bone loss around single piece ball attachment implants placed bilaterally in the canine region and the wear of O-ring in implant supported overdenture over a period of three years. MATERIALS AND METHODS: Twelve completely edentulous patients between the age group of 55-65 years were selected...
March 6, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29484310/performance-and-marginal-bone-level-alteration-around-immediately-loaded-narrow-diameter-implants-a-prospective-clinical-study-results-after-1-year
#6
Andreas Worni, Stefan Paul Hicklin, Regina Mericske-Stern, Norbert Enkling
OBJECTIVE: The aim of the present prospective clinical study was to assess the survival rate and the radiologic crestal bone level alteration around four interforaminal immediately loaded narrow-diameter implants (NDIs) in the edentulous mandible. METHOD AND MATERIALS: A total of 20 participants received each 4 NDIs (MDI, 3M Espe; diameter 1.8 mm, length 13 or 15 mm) in the edentulous mandible. Immediate loading was performed if insertion torque was 35 Ncm or higher...
February 26, 2018: Quintessence International
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
#7
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
#8
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
#9
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
#10
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-to-soft-tissue-thickness-prevents-early-implant-surface-exposure-a-2-year-prospective-intra-subject-comparison
#11
Stijn Vervaeke, Carine Matthys, Rima Nassar, Veronique Christiaens, Jan Cosyn, Hugo De Bruyn
AIM: To evaluate the effect of soft tissue thickness on bone remodelling and to investigate whether implant surface exposure can be avoided by adapting the vertical implant position in relation to the soft tissue thickness. MATERIALS AND 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
#12
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...
February 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29258637/mandibular-implant-overdentures-treatment-and-medico-legal-considerations
#13
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
#14
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-the-survival-rate-of-single-mandibular-implants-supporting-mandibular-overdentures-compared-with-delayed-loading
#15
Romina Brignardello-Petersen
No abstract text is available yet for this article.
February 2018: 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
#16
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
#17
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
#18
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
#19
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...
May 2018: 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
#20
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
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