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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
#1
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/29674733/the-use-of-dental-implants-cast-bars-and-sleeve-overdentures-in-oral-cancer-patients
#2
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
#3
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/29663516/a-2-year-prospective-study-of-single-implant-mandibular-overdentures-patient-reported-outcomes-and-prosthodontic-events
#4
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
#5
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/29610621/therapeutic-challenge-in-a-severely-atrophic-mandible
#6
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/29577575/one-year-clinical-outcomes-of-locking-taper-equator-attachments-retaining-mandibular-overdentures-to-narrow-diameter-implants
#7
Raissa Micaella Marcello-Machado, Fernanda Faot, Alessandra Julie Schuster, Amália Machado Bielemann, Otacílio Luiz Chagas Júnior, Altair Antoninha Del Bel Cury
BACKGROUND: Narrow diameter implants (NDI) are recommended to retain mandibular overdentures (MOs) in cases of limited bone thickness. It is necessary to evaluate the clinical behavior of NDI as MO retainers connected to a new screwless locking taper abutments, their predictability and maintenance problems. OBJECTIVES: To evaluate the peri-implant tissue behavior around NDI and the performance of locking taper stud abutments as MO retainers. METHODOLOGY: Thirty patients (average age of 67...
March 26, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29575488/a-randomized-controlled-clinical-trial-to-assess-crestal-bone-remodeling-of-four-different-implant-designs
#8
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/29551866/comparative-evaluation-of-peri-implant-tissues-in-patients-wearing-mandibular-overdenture-with-different-implant-platforms
#9
Laércio Almeida de Melo, Danielle Bezerra de Farias, Annie Karoline Bezerra de Medeiros, Gustavo Augusto Seabra Barbosa, Euler Maciel Dantas, Adriana da Fonte Porto Carreiro
Background: The poor hygiene of peri-implant tissues causes inflammation at tissue-implant interface, which may impair the rehabilitation success. The aim of this study was to evaluate the influence of external hexagon and Morse taper implants on peri-implant health in patients wearing mandibular overdentures for 1 year. Materials and Methods: A total of 46 implants were evaluated, 28 external hexagon and 18 Morse taper. Plaque index in the mini-abutment, bleeding index, peri-implant inflammation, keratinized mucosa zone, probing depth, and marginal mucosa level were evaluated after 3 months and 1 year of prostheses insertion...
November 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29551380/influence-of-the-mechanical-properties-of-resilient-denture-liners-on-the-retention-of-overdenture-attachments
#10
Keitaro Kubo, Takashi Koike, Takayuki Ueda, Kaoru Sakurai
STATEMENT OF PROBLEM: Information is lacking about the selection criteria for silicone resilient denture liners applied as a matrix material for attachments on overdentures. PURPOSE: The purpose of this in vitro study was to investigate the mechanical properties of silicone resilient denture liners and their influence on the initial retention force of overdenture attachments and the reduction in retention force over time. MATERIAL AND METHODS: Nine types of silicone resilient denture liner were injected and fixed to the matrix section of an experimental denture base...
March 15, 2018: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/29534124/effect-of-attachment-type-on-implant-strain-in-maxillary-implant-overdentures-comparison-of-ball-locator-and-magnet-attachments-part-2-palateless-dentures
#11
Toshihito Takahashi, Tomoya Gonda, Akiko Tomita, Yoshinobu Maeda
PURPOSE: Palateless maxillary implant overdentures are often used for patients experiencing problems with a full-palate denture. However, palateless overdentures are reported to be a risk factor for implant complications. The purpose of this study was to examine the strain on implants beneath palateless overdentures with unsplinted attachments under various implant distributions. MATERIALS AND METHODS: A maxillary edentulous model with implants and an experimental palateless overdenture were fabricated...
March 2018: International Journal of Oral & Maxillofacial Implants
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
#12
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/29508498/effect-of-implant-position-on-clinical-and-radiographic-outcomes-of-locator-retained-mandibular-overdentures-a-1-year-prospective-study
#13
Moustafa Abdou ELsyad, Waleed Hamed Maryod, Aisha Zakaria Mostafa
PURPOSE: To evaluate the influence of implant position on clinical and radiographic outcomes of Locator-retained mandibular overdentures MATERIALS AND METHODS: Fifteen edentulous participants with compromised bone at canine regions of the mandible were given 2 implants in the premolar areas (study group, PM). The control group (CA) consisted of 15 participants who received 2 implants in the canine regions, matched to PM and assigned as historical control. For study and control groups, mandibular dentures were constructed and attached to the fixtures with Locator attachments using the delayed loading protocol...
March 6, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
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
#14
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/29460531/telescopic-overdenture-on-natural-teeth-prosthetic-rehabilitation-on-ofd-syndromic-patient-and-a-review-on-available-literature
#15
G Minervini, A Romano, M Petruzzi, C Maio, R Serpico, A Lucchese, V Candotto, D Di Stasio
Orofaciodigital syndromes (OFD) are rare genetical disorders characterized by malformations of the mouth (oris), face (facies), hands and feet (digitus = finger, toe). It is still impossible to fully understand the whole spectrum of all dysfunctions due to OFD, since the expressions of the syndrome vary in each patient. There are various alterations, thoroughly described in literature that can affect the oral cavity such as dental caries, abnormal teeth, enamel hypoplasia, supernumerary teeth and dental agenesis...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29459128/clinical-viability-of-single-implant-retained-mandibular-overdentures-a-systematic-review-and-meta-analysis
#16
REVIEW
V E de Souza Batista, A J Vechiato-Filho, J F Santiago, M V Sonego, F R Verri, D M Dos Santos, M C Goiato, E P Pellizzer
The aim of this meta-analysis was to verify the clinical viability of single implant-retained mandibular overdentures (SIMO). An electronic search of the PubMed and Cochrane databases was performed (end date July 2017); this was supplemented by a manual search of the literature. Only prospective clinical trials and randomized controlled trials (RCTs) that evaluated SIMO with a minimum follow-up of 12 months were included. The meta-analysis was based on the Mantel-Haenszel method. Dental implant and prosthetic failure were the dichotomous outcome measures; these were evaluated through the risk ratio (RR) and odds ratio (OR), with corresponding 95% confidence intervals (CI)...
February 16, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29457932/oral-health-related-outcomes-in-edentulous-patients-treated-with-mandibular-implant-retained-dentures-versus-complete-dentures-systematic-review-with-meta-analyses
#17
Philip Kroll, Lisa Hou, Hani Radaideh, Nazanin Sharifi, Phuu P Han, Roseann Mulligan, Reyes Enciso
The objective of this systematic review was to determine the effect on oral health-related outcomes from mandibular implant-retained dentures opposing maxillary complete dentures in edentulous middle-age and older adults compared to complete removable dentures in both arches. Randomized controlled trials with an average age of the participants being 65 years old or above were included. The Cochrane Library, MEDLINE and Web of Science were searched. A total of 228 abstracts were reviewed for inclusion criteria with fourteen trials included and analyzed for risk of bias...
February 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29430787/overdenture-prostheses-with-metal-copings-a-retrospective-analysis-of-survival-and-prosthodontic-complications
#18
Anuj Chhabra, Nidhi Chhabra, Anurag Jain, Debipada Kabi
PURPOSE: To retrospectively evaluate complications associated with overdentures and abutment teeth restored with metal copings, including post-procedural and prosthetic problems; also to analyze the frequency and influencing factors associated with these problems. MATERIALS AND METHODS: A total of 80 subjects (48 females, 32 males, mean age 62 years) wearing root-supported overdentures were enrolled in the study. All participants were thoroughly examined by a single examiner, and appropriate maintenance care was performed...
February 11, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
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
#19
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
#20
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
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