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Overdenture

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https://www.readbyqxmd.com/read/28628356/clips-versus-resilient-liners-used-with-bilateral-posterior-prefabricated-bars-for-retaining-four-implant-supported-mandibular-overdentures
#1
Mona Gibreel, Mohammed Fouad, Fatma El-Waseef, Nesma El-Amier, Hamdy Marzook
The objective of this research was to clinically compare peri-implant tissue health of bar-clips versus silicone-resilient liners used with bilateral posterior bars for retaining four implant supported mandibular overdentures. Thirty completely edentulous male patients (mean age 65) were randomly assigned into two equal groups. Each patient received four implants in canine and first molar regions of the mandible using flapless surgical technique. Mandibular overdentures were immediately connected to the implants with bilateral prefabricated instant adjusting bars...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628350/custom-cast-ball-attachments-used-on-outdated-implants-to-restore-a-maxillary-implant-supported-overdenture
#2
Andressa Rosa Perin Leite, Danny Omar Mendoza Marin, Gabriela Giro, Ana Carolina Pero, Ligia Antunes Pereira Pinelli, JoséMauriciodos Santos Reis
The lack of compatible prosthetic components can be a complication during oral rehabilitations using outdated implants. The aim of the present clinical report was to describe an alternative technique for the fabrication of a maxillary implant-supported overdenture in a patient with 20-year-old dental implants using castable spherical patterns and ball-attachments. The patient had been wearing a relined bar/clip overdenture in the mandible on four external-hexagon dental implants and a relined complete denture in the maxilla on four internal-hexagon implants due to abutment screw fracture inside of the implants, losing the attachment system...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28625664/effects-of-different-numbers-of-mini-dental-implants-on-alveolar-ridge-strain-distribution-under-mandibular-implant-retained-overdentures
#3
Pongsakorn Warin, Pimduen Rungsiyakull, Chaiy Rungsiyakull, Pathawee Khongkhunthian
PURPOSE: To investigate the strains around mini-dental implants (MDIs) and retromolar edentulous areas when using different numbers of MDIs in order to retain mandibular overdentures. MATERIALS AND METHODS: Four different prosthetic situations were fabricated on an edentulous mandibular model including a complete denture (CD), and three overdentures, retained by four, three or two MDIs in the interforaminal region with retentive attachments. A static load of 200N was applied on the posterior teeth of the dentures under bilateral or unilateral loading conditions...
June 15, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28585142/new-mini-dental-implant-attachments-versus-o-ring-attachment-after-cyclic-aging-analysis-of-retention-strength-and-gap-space
#4
Abdalbseet A Fatalla, Ke Song, Ying-Guang Cao
Overdenture as a treatment modality for both partially and fully edentulous patients is costeffective and less expensive. The purpose of the present study was to examine the newly fabricated attachments by comparing them with conventional O-ring attachment in vitro in terms of retention force and cyclic aging resistance. A total of 150 samples were prepared and divided into five groups according to the materials used (O-ring attachment, Deflex M10 XR, Deflex Classic SR, Deflex Acrilato FD, and flexible acrylic resin)...
June 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28552286/biomechanical-effects-of-implant-number-and-diameter-on-stress-distributions-in-maxillary-implant-supported-overdentures
#5
Gizem Dimililer, Sercan Kücükkurt, Sedat Cetiner
STATEMENT OF PROBLEM: Implant-supported overdentures (ISOs) are considered a good alternative to conventional removable dentures. However, varying rates of failure have been reported in some clinical studies. Excessive stress on surrounding tissues is one of the possible causes of implant failure. As stress is transmitted to the bone through the implant, careful planning, correct number of implants, and implant positioning are keys to ensuring appropriate stress distribution. However, research of the optimal number of implants necessary to support a maxillary ISO is insufficient...
May 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28533736/telescopic-overdenture-a-case-report
#6
C S Shruthi, R Poojya, Swati Ram, Anupama
PATIENT: This report describes the case of a 68 year old female patient who presented with the chief complaint of difficulty in chewing and poor aesthetics due to missing teeth. The patient was interested in saving the remaining natural teeth and desired minimal tissue coverage from the prosthesis. After consideration of all the factors involved, it was deemed advisable to resort to a palate free maxillary telescopic complete denture and a mandibular removable partial denture. DISCUSSION: Considering the age of the patient and the cost involved, implant supported prosthesis was ruled out as a treatment option for the patient...
March 2017: International Journal of Biomedical Science: IJBS
https://www.readbyqxmd.com/read/28510376/one-piece-implant-retained-mandibular-overdentures-by-pre-fabricated-titanium-telescopic-attachments-and-frictional-varnish-a-two-year-prospective-study
#7
Shahram Namjoy Nik, Touraj Nejatian
Clinical efficiency of one-piece screw-type implants with telescopic were attachments evaluated in this study. Twenty-four patients received a mandibular implant-supported overdenture and maxillary complete denture. Ninety-six one-piece implants were inserted in the inter-foraminal area. Implants were immediately loaded with an implant-retained overdenture and telescopic attachments which had frictional retention elements. There was 0.25±0.24 mm, 0.32±0.25 mm, 0.43±0.30 mm, 0.61±0.30 mm and of bone resorption after 3, 6, 12 and 24 months, respectively...
December 2016: European Journal of Prosthodontics and Restorative Dentistry
https://www.readbyqxmd.com/read/28507636/influence-of-number-of-implants-and-attachment-type-on-stress-distribution-in-mandibular-implant-retained-overdentures-finite-element-analysis
#8
Mohamed I El-Anwar, Eman A El-Taftazany, Hamdy A Hamed, Mohamed A Abd ElHay
AIM: This study aimed to compare the stresses generated by using two or four root form dental implants supporting mandibular overdentures that were retained with ball and locator attachments. METHODS: Under ANSYS environment, four 3D finite element models were prepared. These models simulated complete overdentures supported by two or four implants with either ball or locator attachments as a connection mechanism. The models' components were created by CAD/CAM package then were imported to ANSYS...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28501057/mini-implant-retained-complete-overdenture-can-be-an-alternative-treatment-option-for-selected-patients
#9
Yongjeong Kim
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Complete overdentures retained by mini implants: A systematic review. Lemos CAA, Verri FR, de Souza Batista VE, Santiago JF Jr, Mello CC, Pellizzer EP. J Dent 2017;57:4-13. SOURCE OF FUNDING: The authors did not report any external sources of fund. TYPE OF STUDY/DESIGN: Systematic review.
June 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/28497062/a-clinical-retrospective-study-of-distal-extension-removable-partial-denture-with-implant-surveyed-bridge-or-stud-type-attachment
#10
Eun-Bin Bae, Seong-Jong Kim, Jae-Won Choi, Young-Chan Jeon, Chang-Mo Jeong, Mi-Jung Yun, So-Hyoun Lee, Jung-Bo Huh
This study was performed to make comparative analysis of the clinical findings between the two different types of the implant-assisted removable partial dentures: removable partial dentures using implant surveyed bridge as an abutment (ISBRPD) and overdenture type of removable partial denture using implant attachment (IARPD). Implant cumulative survival rate, marginal bone resorption, probing depth, peri-implant inflammation, bleeding, plaque, calculus, and complications were evaluated on 24 patients who were treated with implants in conjunction with removable partial denture and have used them for at least 1 year (ISCRPD: n = 12; IARPD: n = 12)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28486353/vertical-and-horizontal-crestal-bone-levels-in-root-analog-stepped-implants-a-10-year-prospective-study
#11
Germán Gómez-Román, Stefan Rombach
PURPOSE: The aim of this study was to evaluate bone levels with root-analog stepped implants by radiographic analysis over a 10-year period. MATERIALS AND METHODS: One hundred fifty-three implants placed in 93 patients were examined after 10-year follow-up. The implant diameters were 3.8 to 6.5 millimeters (mm), whereas the lengths were 10 to 15 millimeters (mm). One hundred seven implants were restored with single crowns or fixed partial dentures, 46 with bar or ball-retained overdentures...
May 8, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28482447/-systematic-review-and-meta-analysis-on-the-effect-of-implant-supported-overdentures-on-the-oral-health-related-quality-of-life-of-edentulous-patients
#12
S S Zhang, Y Zhang, P Di, Y Lin
Objective: To evaluate the effect of implant related treatment on the oral health related quality of life (OHRQoL) of edentulous patients. Methods: The CNKI, Wanfang database and Medline, EMBASE, Cochrane Library databases that include randomized clinical trials comparing implant supported overdentures with conventional complete denture for edentulous patients were retrived. Nine studies involving 769 cases were included and meta-analysis was conducted. Results: The standardized mean difference (SMD) of oral health impact profile (OHIP) score was 1...
May 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28464946/evaluating-the-biomechanical-effects-of-implant-diameter-in-case-of-facial-trauma-to-an-edentulous-atrophic-mandible-a-3d-finite-element-analysis
#13
Aysa Ayali, Kani Bilginaylar
BACKGROUND: Rehabilitation using an implant supported overdenture with two implants inserted in the interforaminal region is the easiest and currently accepted treatment modality to increase prosthetic stabilization and patient satisfaction in edentulous patients. The insertion of implants to the weakend mandibular bone decreases the strength of the bone and may lead to fractures either during or after implant placement. The aim of this three dimensional finite element analysis (3D FEA) study was to evaluate the biomechanical effects of implant diameter in case of facial trauma (2000 N) to an edentulous atrophic mandible with two implant supported overdenture...
May 2, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28460543/biomechanical-evaluation-of-the-natural-abutment-teeth-in-combined-tooth-implant-supported-telescopic-prostheses-a-three-dimensional-finite-element-analysis
#14
Yu Chen, Chao Wang, Yuanding Huang, Tianming Feng, Huawei Zou, Yubo Fan
Telescopic overdentures supported by the combination of natural teeth and implants have been thought a valuable treatment for the severely compromised partially edentulous patients. But the combination of teeth and implants involves highly complex biomechanical problems. This study is to evaluate biomechanical behaviors of the natural abutment teeth with the treatment of combined tooth-implant supported telescopic crown prostheses in mandible through 3D FEA. According to this study, the prosthetic option supported by a combination of teeth and implants and retained by double crowns could protect teeth and their periodontal support tissues acting as a rigid splint, and may be a valuable treatment option for partially edentulous patients with severely reduced remaining teeth in mandible...
May 1, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28456371/managing-complications-resulting-from-limited-prosthetic-space-with-a-monolithic-multichromatic-cad-cam-implant-retained-overdenture-a-dental-technique
#15
Lingyan Peng, Li Chen, Bryan T Harris, Dean Morton, Wei-Shao Lin
This article proposes a 2-visit clinical protocol to manage prosthodontic complications resulting from limited prosthetic space, using a monolithic, multichromatic computer-aided design and computer-aided manufacturing (CAD-CAM) acrylic resin implant overdenture. The advantages and limitations of using this approach are outlined and discussed.
April 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28449767/mini-implants-seem-to-have-good-prognosis-when-used-to-support-complete-overdentures
#16
Romina Brignardello-Petersen
No abstract text is available yet for this article.
May 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28440024/immediate-and-delayed-loading-of-two-piece-reduced-diameter-implants-with-locator-analog-attachments-in-edentulous-mandibles-one-year-results-from-a-randomized-clinical-trial-examining-clinical-outcome-and-patient-expectation
#17
Nikolaos Nikitas Giannakopoulos, Kirsten Ariaans, Lydia Eberhard, Anna-Luisa Klotz, Keunyoung Oh, Stefanie Kappel
BACKGROUND: Prosthetic management of thin alveolar ridges in the edentulous mandibles of elderly patients, especially the time of loading, the number of implants needed, and patient expectations and perception, is a challenge in implant dentistry. PURPOSE: Survival of conventionally and immediately loaded 2-piece reduced-diameter implants in the interforaminal region of the edentulous mandible supporting locator-analog attachments was evaluated. Prosthetic complications and peri-implant hygiene were also studied, and patient expectation and subjective evaluation of the treatment were documented...
April 24, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28403248/effect-of-buccal-implant-inclination-on-stresses-around-two-implant-retained-overdentures-with-resilient-stud-attachments
#18
Moustafa Abdou Elsyad, Karima Salah Abid, Elsayed Abd Elkhalek
PURPOSE: This study aimed to evaluate the effect of buccal implant inclination on stresses around two-implant-retained overdentures with resilient stud attachments. MATERIALS AND METHODS: Four acrylic models representing a mandibular edentulous ridge were constructed. For each model, two implants were placed at canine areas. Models were classified into four types according to the degree of buccal implant inclination: Group I (GI, 0 degrees), Group II (GII, 10 degrees), Group III (GIII, 20 degrees), and Group IV (GIV, 30 degrees)...
May 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28396807/fabricating-cad-cam-implant-retained-mandibular-bar-overdentures-a-clinical-and-technical-overview
#19
Chui Ling Goo, Keson Beng Choon Tan
This report describes the clinical and technical aspects in the oral rehabilitation of an edentulous patient with knife-edge ridge at the mandibular anterior edentulous region, using implant-retained overdentures. The application of computer-aided design and computer-aided manufacturing (CAD/CAM) in the fabrication of the overdenture framework simplifies the laboratory process of the implant prostheses. The Nobel Procera CAD/CAM System was utilised to produce a lightweight titanium overdenture bar with locator attachments...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28396001/creating-durable-and-esthetic-gingival-anatomy-on-a-polyoxymethylene-overdenture-by-using-a-chairside-procedure
#20
Gary R Login
BACKGROUND AND OVERVIEW: Snap-On Smile (DenMat) appliances are tooth-borne overdentures used for a variety of temporary esthetic applications. However, their benefit can be limited in patients with high smile lines and altered gingival architecture because the teeth look too large. CASE DESCRIPTION: In this report, the author shows the chairside application of a silicone denture reline material used to recreate gingival anatomy on an overdenture fabricated from crystallized acetyl resin, the material used in a Snap-On Smile appliance...
April 7, 2017: Journal of the American Dental Association
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