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Failed dental implant

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https://www.readbyqxmd.com/read/28906510/retrospective-analysis-on-survival-rate-template-related-complications-and-prevalence-of-peri-implantitis-of-694-anodized-implants-placed-using-computer-guided-surgery-results-between-1-and-10-years-of-follow-up
#1
Marco Tallarico, Silvio Mario Meloni
PURPOSE: To report survival rate, early surgical template-related complications, and prevalence of peri-implantitis of dental implants placed in private practices using computer-guided, template-assisted surgery and followed between 1 and 10 years. MATERIALS AND METHODS: The present retrospective multicenter study evaluated data collected from fully or partially edentulous patients, with anodized-surface implants placed using computer-guided, template-assisted surgery between January 2006 and December 2015...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28904311/retrospective-cohort-clinical-investigation-of-a-dental-implant-with-a-narrow-diameter-and-short-length-for-the-partial-rehabilitation-of-extremely-atrophic-jaws
#2
Paulo S Maló, Miguel A de Araújo Nobre, Armando V Lopes, Ana S Ferro
We investigated the short-term clinical outcomes of narrow-diameter short-length implants for the fixed-prosthetic partial rehabilitation of extremely resorbed jaws. Twenty-three patients requiring partial rehabilitations with narrow-platform short-length implants in any jaw were included in this study. In total, 30 implants 3.3 mm in diameter and 7 (n = 15 implants) or 8.5 (n = 15 implants) mm in length were inserted. The primary outcome measure was implant cumulative survival rate (CSR); the secondary outcome measures were marginal bone resorption at 1 and 3 years and the incidence of biologic and mechanical complications...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28898112/functional-odontoblastic-like-cells-derived-from-human-ipscs
#3
H Xie, N Dubey, W Shim, C J A Ramachandra, K S Min, T Cao, V Rosa
The induced pluripotent stem cells (iPSCs) have an intrinsic capability for indefinite self-renewal and large-scale expansion and can differentiate into all types of cells. Here, we tested the potential of iPSCs from dental pulp stem cells (DPSCs) to differentiate into functional odontoblasts. DPSCs were reprogrammed into iPSCs via electroporation of reprogramming factors OCT-4, SOX2, KLF4, LIN28, and L-MYC. The iPSCs presented overexpression of the reprogramming genes and high protein expressions of alkaline phosphatase, OCT4, and TRA-1-60 in vitro and generated tissues from 3 germ layers in vivo...
September 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28832716/risk-factors-for-implant-failure-a-retrospective-study-in-an-educational-institution-using-gee-analyses
#4
Marcelo Borba, Daniel Deluiz, Eduardo José Veras Lourenço, Luciano Oliveira, Patrícia Nivoloni Tannure
This study aimed to evaluate dental implant outcomes and to identify risk factors associated with implant failure over 12 years via dental records of patients attending an educational institution. Dental records of 202 patients receiving 774 dental implants from 2002 to 2014 were analyzed by adopting a more reliable statistical method to evaluate risk factors with patients as the unit [generalized estimating equation (GEE)]. Information regarding patient age at implantation, sex, use of tobacco, and history of systemic diseases was collected...
August 21, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28827854/immediate-loading-of-short-implants-in-posterior-maxillae-case-series
#5
Eduardo Anitua
BACKGROUND: There is an increasing number of scientific evidence supporting the clinical use of short dental implants. However, few studies have evaluated the long-term outcomes of immediate loading protocols in short implants. This study aims to evaluate immediate loading of short dental implants in the posterior regions of the maxillae. MATERIALS AND METHODS: Patients having short implants in maxillae posterior areas inserted before December, 2010 and immediately loaded were selected...
June 2017: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/28817136/prognosis-of-dental-implants-immediately-placed-in-sockets-affected-by-peri-implantitis-a-retrospective-pilot-study
#6
Eduardo Anitua, Laura Piñas, Leire Begoña, Mohammad Hamdan Alkhraisat
The aim of this study was to describe a protocol and analyze the outcomes of immediate replacement of failed implants due to peri-implantitis. A total of 17 patients (mean age: 58 ± 10 years) had 22 failed implants that were immediately replaced. One implant failed 16 months after insertion, resulting in an implant survival rate of 94.7%. The mean follow-up time was 40 ± 16 months (range: 9-52 months) after insertion. Mesial and distal bone loss were 0.89 ± 0.62 mm and 0.97 ± 0.66 mm, respectively. Immediate implant replacement could be considered in the management of implant failure due to peri-implantitis...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28803735/previously-successful-dental-implants-can-fail-when-patients-commence-anti-resorptive-therapy-a-case-series
#7
M A Pogrel, S L Ruggiero
This article reports a type of localized osteonecrosis that can occur in patients who have had successful osseointegrated implants for many years and then commence anti-resorptive therapy. Eleven female patients were identified who had successful implant insertion, but who were placed on anti-resorptive therapy (bisphosphonates or denosumab) several years later and developed osteonecrosis around the implants. In each case, the osteonecrosis occurred only around the implants and not around the patient's remaining teeth...
August 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28796952/implanted-dental-pulp-cells-fail-to-induce-regeneration-in-partial-pulpotomies
#8
F Mangione, M EzEldeen, C Bardet, J Lesieur, M Bonneau, F Decup, B Salmon, R Jacobs, C Chaussain, S Opsahl-Vital
Cell-based partial pulp regeneration is one of the promising approaches to obtain newly formed functional dentin-pulp complex. It relies on the preservation of the healthy tissue while regenerating the damaged pulp. The aim of this study was to investigate whether this regenerative process could be achieved by implanting porcine dental pulp cells (pDPCs) in pulp defects in the minipig. By split-mouth model, self-assembling injectable nanopeptide hydrogel, with and without pDPCs, was implanted after cameral pulpotomy in premolars and molars...
August 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28783506/nanoscale-silver-depositions-inhibit-microbial-colonization-and-improve-biocompatibility-of-titanium-abutments
#9
Supriya Kheur, Nimisha Singh, Dhananjay Bodas, Jean-Yves Rauch, Shantanu Jambhekar, Mohit Kheur, Jyutika Rajwade
Although titanium dental implants are biocompatible, exhibit excellent corrosion resistance and high mechanical resistance, the material fails in providing resistance to infection because it exhibits poor antimicrobial activity. To address these issues, we deposited silver onto titanium abutments (Grade 5 titanium discs) using direct current (DC) sputtering and assessed the antimicrobial activity and biocompatibility of the modified implant material. Atomic absorption spectrometry and X-ray photoelectron spectroscopy were employed to investigate the concentration and elemental composition of the deposited silver...
July 29, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28764310/microleakage-at-the-different-implant-abutment-interface-a-systematic-review
#10
REVIEW
Sunil Kumar Mishra, Ramesh Chowdhary, Shail Kumari
INTRODUCTION: Presence of gap at the implant-abutment interface, leads to microleakage and accumulation of bacteria which can affect the success of dental implants. AIM: To evaluate the sealing capability of different implant connections against microleakage. MATERIALS AND METHODS: In January 2017 an electronic search of literature was performed, in Medline, EBSCO host and Pubmed data base. The search was focused on ability of different implant connections in preventing microleakage...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28758035/selectable-implant-removal-methods-due-to-mechanical-and-biological-failures
#11
Jong-Bin Lee
Dental implant has been restoring the function and esthetics lost from missing tooth. However, biomechanical implant complications are the major cause of failing implants. Therefore, implant removal is one of the indispensable dental treatments. The 70-year-old male and 66-year-old female who had discomfort on posterior implants region came to Department of Periodontology. Conventional method using trephine bur and the new, nontraumatic method using a fixture removal kit were used for implant removal, respectively...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28749837/occlusion-guided-double-barreled-fibular-osteoseptocutaneous-free-flap-for-refined-mandibular-reconstruction-aided-by-virtual-surgical-planning
#12
Xingzhou Qu, Mingyi Wang, Liqun Xu, Jiannan Liu, Shizhu Bai, Chenping Zhang
BACKGROUND: There were many articles about double-barreled fibular flap for mandibular reconstruction. The upper layer bone was suit for implant placement as a new alveolar. The lower layer was necessary for contour. But the accurate relationship between the 2 layers bone was rarely reported. OBJECTIVES: The purpose of this study was twofold: to evaluate the feasibility of the novel design of the double-barreled fibular flap from virtual surgery to actual result; to evaluate the accuracy and results of occlusion-guided double-barreled fibular free flap in mandible reconstruction...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28744958/post-extraction-implant-placement-into-infected-versus-non-infected-sites-a-multicenter-retrospective-clinical-study
#13
Francesco Zuffetti, Matteo Capelli, Fabio Galli, Massimo Del Fabbro, Tiziano Testori
PURPOSE: The aim of this study was to assess whether immediate implant placement into post-extraction sites presenting a chronic infection poses a greater risk of implant failure than immediate placement in non-infected sites. MATERIALS AND METHODS: Records of patients who underwent extraction and immediate implant placement into both infected and non-infected sites from January 1998 to September 2014 at 5 different dental centers were considered for inclusion. Included records were subjected to statistical analysis of survival rates, along with a number of other patient-, implant-, surgery-, and prosthesis-related variables...
July 26, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28727462/tridimensional-reconstruction-of-a-complex-iatrogenic-defect-using-orthodontic-forced-eruption-and-minimally-invasive-bone-grafting
#14
Ernesto A Lee
As the use of dental implants has become more common, so has the frequency of complications and unforeseen outcomes. This article describes the treatment of a complex iatrogenic defect secondary to a failed implant (No. 7) and multiple bone-grafting attempts in the maxillary anterior region. The patient's revealing smile line and high-risk circumstances demanded the use of an interdisciplinary treatment approach with high potential for predictable esthetic results. Forced eruption was performed to restore the alveolar height deficit and develop the compromised hard and soft tissues around teeth Nos...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28710652/comparison-between-inflammation-related-markers-in-peri-implant-crevicular-fluid-and-clinical-parameters-during-osseointegration-in-edentulous-jaws
#15
Amália M Bielemann, Raissa M Marcello-Machado, Fábio Renato Manzolli Leite, Frederico Canato Martinho, Otacílio Luiz Chagas-Júnior, Altair Antoninha Del Bel Cury, Fernanda Faot
OBJECTIVES: The aim of this study is to improve the understanding of interleukin mechanisms during osseointegration to enhance the monitoring of implant failure and success. Clinical parameters, implant stability, and cytokine levels in peri-implant crevicular fluid (PICF) during early bone healing after implant placement were investigated. MATERIAL AND METHODS: Sixty narrow implants were placed in mandible anterior region of 30 edentulous patients (67.23 ± 7...
July 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28708922/assessment-of-long-term-survival-of-immediately-loaded-tilted-implants-supporting-a-maxillary-full-arch-fixed-prosthesis
#16
Tiziano Testori, Fabio Galli, Luca Fumagalli, Matteo Capelli, Francesco Zuffetti, Matteo Deflorian, Andrea Parenti, Massimo Del Fabbro
PURPOSE: To analyze the long-term outcome of fixed prostheses supported by six implants, two of which were tilted, placed in the maxilla and immediately loaded more than 10 years earlier. MATERIALS AND METHODS: A retrospective review of implants placed between May 29, 2003 and February 12, 2005 and used to support immediately loaded fixed dental prostheses in the maxilla was conducted. The features of failed implants were analyzed. In the most recent follow-up visits, survival of individual implants and prostheses was verified, and modified Plaque Index as well as modified Sulcular Bleeding Index were assessed...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28708917/vertical-osseodistraction-with-a-new-intraosseous-alveolar-distractor-prototype-for-dental-implant-rehabilitation-a-pilot-study-in-dogs
#17
Marco Esposito, Anna Trullenque-Eriksson, Carlos Navarro Vila, Miguel Peñarrocha, Abel García, Arturo Sánchez, Fernando Muñoz-Guzón, José Manuel Martínez Martín
PURPOSE: To evaluate in dogs a newly developed intraosseous alveolar distractor (Mozo-Grau Alveolar Distractor) for vertical bone augmentation to allow placement of dental implants. MATERIALS AND METHODS: Four dogs had their posterior teeth removed, and sockets were left to heal for 20 weeks. The right and left sides of the posterior mandibles were randomly allocated, according to a split-mouth design, to receive either two distractors, distracting a 32-mm-long bone segment, or two distractors supporting one bony segment 20 mm long and one 8 mm long...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28656952/-the-clinical-and-expert-evaluation-of-the-unfavourable-consequences-of-the-provision-of-the-dental-implantation-treatment
#18
A A Gusarov, T G Popova, V A Fetisov, E Yu Kuraeva, E A Shoniya
The clinical and expert evaluation of the unfavourable consequences of the provision of the inadequate dental implantation treatment has demonstrated the ever increasing number of justified complaints and civilian lawsuits instituted annually in connection with the infringements of health associated with the poor quality of the medical care provided to the patients. The authors present the results of commission forensic medical expertise performed on account of the civilian lawsuits instituted by a 74 year-old patient K...
2017: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/28632255/intake-of-proton-pump-inhibitors-is-associated-with-an-increased-risk-of-dental-implant-failure
#19
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...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28632254/osteogenic-potential-of-gingival-mesenchymal-stem-cells-over-titanium-machined-surfaces
#20
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...
September 2017: International Journal of Oral & Maxillofacial Implants
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