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Failed dental implant

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https://www.readbyqxmd.com/read/28632255/intake-of-proton-pump-inhibitors-is-associated-with-an-increased-risk-of-dental-implant-failure
#1
Bruno Ramos Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
PURPOSE: To investigate the association between the intake of proton pump inhibitors (PPIs) and the risk of dental implant failure. MATERIALS AND METHODS: The present retrospective cohort study is based on patients consecutively treated between 1980 and 2014 with implant-supported/retained prostheses at one specialist clinic. Modern endosseous dental implants with cylindrical or conical design were included, and only complete cases were considered; ie, only those implants with information available for all variables measured were included in the regression model analysis...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28632254/osteogenic-potential-of-gingival-mesenchymal-stem-cells-over-titanium-machined-surfaces
#2
Julio A Carrion, Junaid Rajani, Mohamed Al Bahrawy, Xiaojun Chan, Tae Jin Kim, Srinivas Myneni, Vincent J Iacono
PURPOSE: To evaluate the biochemical composition of bone nodules deposited by gingival mesenchymal stem cells (GMSCs) over titanium machined surfaces in vitro. MATERIALS AND METHODS: GMSCs were isolated from healthy gingival tissues of patients undergoing crown-lengthening surgical procedures. GMSCs were characterized following the International Society for Cellular Therapy guidelines. After incubation of the GMSCs with titanium discs, osteogenic differentiation was induced for 28 days...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28631408/resonance-frequency-analysis-of-dental-implants-placed-at-the-posterior-maxilla-varying-the-surface-treatment-only-a-randomized-clinical-trial
#3
Marcelo M Novellino, Newton Sesma, Piero R Zanardi, Dalva C Laganá
BACKGROUND: Chemical modifications of the dental implant surface that improve the wettability result in a faster and better osseointegration. PURPOSE: The aim of this randomized clinical trial was to evaluate the implant stability quotient (ISQ) of implants with similar designs, treated with 2 surfaces, sandblasted acid-etched (SAE) and hydrophilic SAE, within the initial 16 weeks of healing. MATERIAL AND METHODS: A total of 64 implants (32 SAE-control group and 32 modified SAE-test group) with the same design, length, and diameter (conical and compressive, 4...
June 20, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28576014/surface-characteristics-of-bioactive-ti-fabricated-by-chemical-treatment-for-cartilaginous-integration
#4
Hiroyuki Miyajima, Fusun Ozer, Satoshi Imazato, Francis K Mante
Artificial hip joints are generally expected to fail due to wear after approximately 15years and then have to be replaced by revision surgery. If articular cartilage can be integrated onto the articular surfaces of artificial joints in the same way as osseo-integration of titanium dental implants, the wear of joint implants may be reduced or prevented. However, very few studies have focused on the relationship between Ti surface and cartilage. To explore the possibility of cartilaginous-integration, we fabricated chemically treated Ti surfaces with H2O2/HCl, collagen type II and SBF, respectively...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28555206/a-comparison-of-two-implants-with-conical-vs-internal-hex-connections-1-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#5
Maurizio Cannata, Tommaso Grandi, Rawad Samarani, Luigi Svezia, Giovanni Grandi
PURPOSE: To compare the clinical and radiological outcomes of identical implants with conical or internal hex connections. METHODS: A total of 90 patients with partial edentulism requiring one implant-supported prosthesis were randomly allocated in two equal groups (n = 45) to receive either implants with a conical connection or implants of the same type, but with an internal hex connection at three centres. Patients were followed for 1 year after loading. Outcome measures were implant failures, any complication and marginal bone level changes...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28555205/conventional-drills-vs-piezoelectric-surgery-preparation-for-placement-of-four-immediately-loaded-zygomatic-oncology-implants-in-edentulous-maxillae-results-from-1-year-split-mouth-randomised-controlled-trial
#6
Marco Esposito, Carlo Barausse, Andrea Balercia, Roberto Pistilli, Daniela Rita Ippolito, Pietro Felice
PURPOSE: To compare the outcome of site preparation for zygomatic oncology implants using conventional preparation with rotary drills or piezoelectric surgery with dedicated inserts for placing two zygomatic implants per zygoma according to a split-mouth design. MATERIALS AND METHODS: Twenty edentulous patients with severely atrophic maxillas not having sufficient bone volume for placing dental implants and less than 4 mm of bone height subantrally had their hemi-maxillas randomised according to a split-mouth design into implant site preparation with conventional rotational drills or piezoelectric surgery...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28529868/bone-inflammation-bone-infection-and-dental-implants-failure-histological-and-cytological-aspects-related-to-cement-excess
#7
Marco Tatullo, Massimo Marrelli, Filiberto Mastrangelo, Enrico Gherlone
Background: Dental implant failure can recognize several causes and many of them are quite preventable with the right knowledge of some clinical critical factors. Aim of this paper is to investigate about the histological aspects related to dental implants failure in such cases related to cement excess, how such histological picture can increase the risk of bacterial infections and how the different type of cement can interact with osteoblasts in-vitro. Methods: We randomly selected 5 patients with a diagnosis of dental implant failure requiring to be surgically removed: in all patients was observed an excess of dental cement around the failed implants...
2017: Journal of bone and joint infection
https://www.readbyqxmd.com/read/28466248/comparative-evaluation-of-the-stability-of-two-different-dental-implant-designs-and-surgical-protocols-a-pilot-study
#8
David E Simmons, Pooja Maney, Austin G Teitelbaum, Susan Billiot, Lomesh J Popat, A Archontia Palaiologou
BACKGROUND: The purpose of this study was to compare a parallel wall design implant to a tapered apex design implant when placed in the posterior maxilla using two different surgical protocols. METHODS: Twenty-seven patients (30 implants) were divided into three groups. All implants were 4 mm wide in diameter and 8 mm long. Group A received 10 tapered implants (OSPTX) (Astra Tech OsseoSpeed TX™) using the soft bone surgical protocol (TXSoft). Group B received 10 tapered implants (OSPTX) (AstraTech OsseoSpeedTX™) using the standard surgical protocol (TXStd)...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28402348/accuracy-of-bone-sounding-in-assessing-facial-osseous-gingival-tissue-relationship-in-maxillary-anterior-teeth
#9
Joseph Yk Kan, Yoon Jeong Kim, Kitichai Rungcharassaeng, John C Kois
The aim of this study was to evaluate the accuracy of bone sounding (BS) in assessing the facial osseous-gingival tissue relationship (FOGTR) of failing maxillary anterior teeth. Dental records of patients who received immediate implant placement (IIP) at the maxillary anterior area were screened. Mid-FOGTR prior to extraction (BS), and immediately after flapless extraction (direct bone level [DBL] measurement) were analyzed. A total of 160 patients with 190 maxillary anterior teeth were included. The mean FOGTR obtained from BS and DBL were 3...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28327697/seven-mm-long-dental-implants-in-posterior-jaws-3-year-report-of-an-ongoing-prospective-single-cohort-study
#10
Paulo Maló, Miguel de Araújo Nobre, Armando Lopes, Inês Gonçalves, Mariana Nunes
PURPOSE: To report on the outcome of 7 mm long implants in the rehabilitation of posterior areas of atrophic jaws 3 years after loading. MATERIALS AND METHODS: This prospective study included 127 patients treated with 217 implants supporting 165 fixed prostheses. Final abutments were delivered at surgery stage and in the large majority of patients (n = 116) the implants (n = 199) were loaded after 4 months. Primary outcome measures were implant success and prosthetic success calculated at patient level; secondary outcome measures were complications, and marginal bone level changes calculated at patient level...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28327695/do-repeated-changes-of-abutments-have-any-influence-on-the-stability-of-peri-implant-tissues-one-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#11
RANDOMIZED CONTROLLED TRIAL
Marco Esposito, Eriberto Bressan, Maria Gabriella Grusovin, Ferdinando D'Avenia, Konrad Neumann, Luca Sbricoli, Giuseppe Luongo
PURPOSE: To evaluate the influence of at least three abutment changes in conventionally loaded implants against placement of a definitive abutment in immediately non-occlusal loaded implants on hard and soft tissue changes. MATERIALS AND METHODS: Eighty patients requiring one single crown or one fixed partial prosthesis supported by a maximum of three implants were randomised, after implants were placed with more than 35 Ncm, according to a parallel group design to receive definitive abutments which were loaded immediately (definitive abutment or immediate loading group) or transmucosal abutments...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28327694/safety-and-efficacy-of-a-biomimetic-monolayer-of-permanently-bound-multiphosphonic-acid-molecules-on-dental-implants-3-years-post-loading-results-from-a-pilot-quadruple-blinded-randomised-controlled-trial
#12
RANDOMIZED CONTROLLED TRIAL
Marco Esposito, Ivan Dojcinovic, Sabrina Buchini, Péter Péchy, Björn-Owe Aronsson
PURPOSE: To evaluate the safety and clinical efficacy of a novel surface treatment (SurfLink, Nano Bridging Molecules, Gland, Switzerland) on titanium dental implants. SurfLink consists of a monolayer of permanently bound multiphosphonic acid molecules, which mimics the surface of naturally occurring hydroxyapatite. MATERIALS AND METHODS: Twenty-three patients requiring at least two single dental implants had their sites randomised according to a split-mouth design to receive one titanium grade 4 implant treated with SurfLink and one untreated control implant...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28291858/alveolar-ridge-dimension-6-months-after-implant-placement-with-simultaneous-hard-tissue-augmentation
#13
Siegfried Martin Heckmann, Barbara Mörtlbauer, Dominik Rieder, Manfred Wichmann, Tim Krafft, Antonios Moralis
PURPOSE: When failing front teeth are replaced by implants, vestibular bone deficiencies frequently require augmentation, even though the amount of missing alveolar volume may vary. The objective of this study was to analyze the horizontal alveolar ridge dimension after implant placement and simultaneous augmentation, and to compare it to the condition at the contralateral natural site. MATERIALS AND METHODS: Forty-eight patients with a failing maxillary incisor received an immediate or early implant (Straumann Bone Level), according to a randomized study protocol...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28228727/post-operative-bleeding-risk-in-dental-surgery-for-patients-on-oral-anticoagulant-therapy-a-meta-analysis-of-observational-studies
#14
Quan Shi, Juan Xu, Tong Zhang, Bin Zhang, Hongchen Liu
Background and Objective: Minor dental surgery is invasive and hemorrhagic. Thus, in patients treated with anticoagulants, the bleeding risk related to these invasive procedures is concerning. The aim of this meta-analysis is to evaluate this risk by comparing the post-operative bleeding rates of oral anticoagulation treatment (OAT) patients (without interrupted or altered anticoagulant intake) with non-OAT patients. Methods: PubMed, Embase and the Cochrane Library were searched for eligible studies that compared the post-operative (following minor dental surgery) bleeding rates of OAT patients without interrupted or altered therapy with those of non-OAT patients...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28098576/grafting-and-dental-implantation-in-patients-with-jawbone-cavitation-case-series-and-3-year-follow-up
#15
Ya-Wei Chen, Miguel Simancas-Pallares, Mauro Marincola, Sung-Kiang Chuang
PURPOSE: Jawbone cavitation (BC) is not uncommon and is considered to be related to some cases of unexpected implant displacement into deep jawbone space. Here, a series of cases with BC is described, in which the lesions were accidentally found and successfully treated by bone grafting and dental implantation. METHODS: Thirty-four partially edentulous patients who were found to have BC during dental implant surgeries were included in this study. Alloplast bone substitute (β-tricalcium phosphate) grafting with immediate or staged locking-taper implant placement was performed...
February 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28095527/satisfaction-and-clinical-outcomes-among-patients-with-immediately-loaded-mandibular-overdentures-supported-by-one-or-two-dental-implants-results-of-a-5-year-prospective-randomized-clinical-trial
#16
RANDOMIZED CONTROLLED TRIAL
Mats Kronstrom, Ben Davis, Robert Loney, Jack Gerrow, Lars Hollender
PURPOSE: The purpose of this study was to evaluate patient satisfaction and clinical outcomes among subjects with mandibular overdentures supported by one or two immediately placed dental implants 5 years after loading. MATERIALS AND METHODS: Thirty-six subjects (16 men and 20 women) received one or two dental implants in the anterior mandible, and all implants were loaded the day of surgery. Subjects were scheduled for follow-up 3-, 6-, and 12 months after implant placement and thereafter annually for 4 more years...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095520/dental-implants-in-the-elderly-population-a-long-term-follow-up
#17
Sharon M Compton, Danielle Clark, Stephanie Chan, Iris Kuc, Berhanu A Wubie, Liran Levin
PURPOSE: The objectives of this study were to evaluate implant survival and success in the elderly population and to assess indicators and risk factors for success or failure of dental implants in older adults (aged 60 years and older). MATERIALS AND METHODS: This historical prospective study was developed from a cohort of patients born prior to 1950 who received dental implants in a single private dental office. Implant survival and marginal bone levels were recorded and analyzed with regard to different patient- and implant-related factors...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27995123/evaluation-of-clinical-outcomes-of-implants-placed-into-the-maxillary-sinus-with-a-perforated-sinus-membrane-a-retrospective-study
#18
Gwang-Seok Kim, Jae-Wang Lee, Jong-Hyon Chong, Jeong Joon Han, Seunggon Jung, Min-Suk Kook, Hong-Ju Park, Sun-Youl Ryu, Hee-Kyun Oh
BACKGROUND: The aim of this study was to evaluate the clinical outcomes of implants that were placed within the maxillary sinus that has a perforated sinus membrane by the lateral window approach. METHODS: We examined the medical records of the patients who had implants placed within the maxillary sinus that has a perforated sinus membrane by the lateral approach at the Department of Oral and Maxillofacial Surgery of Chonnam National University Dental Hospital from January 2009 to December 2015...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27990507/four-mm-long-versus-longer-implants-in-augmented-bone-in-atrophic-posterior-jaws-4-month-post-loading-results-from-a-multicentre-randomised-controlled-trial
#19
Marco Esposito, Giovanni Zucchelli, Carlo Barausse, Roberto Pistilli, Anna Trullenque-Eriksson, Pietro Felice
PURPOSE: To evaluate whether 4-mm long dental implants could be an alternative to augmentation with equine bone blocks and the placement of at least 10-mm long implants in atrophic posterior jaws. MATERIALS AND METHODS: Forty patients with atrophic posterior (premolar and molar areas) mandibles having 5 to 6 mm bone height above the mandibular canal and 40 patients with atrophic maxillae having 4 to 5 mm below the maxillary sinus, were randomised according to a parallel group design to receive one to three 4...
2016: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/27990505/clinical-evaluation-of-a-novel-dental-implant-system-as-single-implants-under-immediate-loading-conditions-4-month-post-loading-results-from-a-multicentre-randomised-controlled-trial
#20
Marco Esposito, Anna Trullenque-Eriksson, Rodolfo Blasone, Giuliano Malaguti, Cristiano Gaffuri, Marco Caneva, Armando Minciarelli, Giuseppe Luongo
PURPOSE: To evaluate the safety and clinical effectiveness of a novel dental implant system (GENESIS Implant System, Keystone Dental, Massachusetts, USA) using another dental implant system by the same manufacturer as a control (PRIMA Implant System, Keystone Dental). MATERIALS AND METHODS: A total of 53 patients requiring at least two single crowns had their sites randomised according to a split-mouth design to receive both implant systems at six centres. If implants could be placed with a torque superior to 40 Ncm they were to be loaded immediately with provisional crowns, otherwise after 3 months of submerged healing...
2016: European Journal of Oral Implantology
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