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Peri-implant bone

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https://www.readbyqxmd.com/read/28319212/treatment-outcomes-for-mandibular-mini-implant-retained-overdentures-a-systematic-review
#1
Jin-Hong Park, Jeong-Yol Lee, Sang-Wan Shin
PURPOSE: This systematic review evaluated treatment outcomes for mandibular mini-implant-retained overdentures (MMIOs) in terms of (1) implant survival rate, (2) peri-implant marginal bone loss, (3) prosthodontic maintenance and complication occurrence, and (4) patient satisfaction. MATERIALS AND METHODS: Pertinent literature published in English before October 12, 2015 was identified using a MEDLINE and EMBASE search strategy and hand searching of relevant journals...
March 20, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28316924/newer-proposed-classification-of-periimplant-defects-a-critical-update
#2
REVIEW
Deepak Passi, Mahinder Singh, Shubha Ranjan Dutta, Sarang Sharma, Mansi Atri, Jyoti Ahlawat, Abhinav Jain
The term peri-implantitis is used to describe a destructive inflammatory process affecting the soft and hard tissues around osseo integrated implants, leads to the formation of a peri-implant pocket and loss of supporting bone. Predisposing factors are Poor Plaque Control, inflammation, infection, Smoking, Diabetes and Occlusal Overload. It is diagnosed on the basis of clinical and radiographic interpretation and still no definite criteria have been proposed for the diagnosis and treatment of peri-implantitis...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28304212/influence-of-laser-microtextured-surface-collar-on-marginal-bone-loss-and-peri-implant-soft-tissue-response-a-systematic-review-and-meta-analysis
#3
Zhaozhao Chen, Yujiao Zhang, Junying Li, Hom-Lay Wang, Haiyang Yu
BACKGROUND: Laser-microtextured surface (LMS) dental implant collar appears to promote a more tooth-like gingival collagen fiber attachment, which may help to stabilize the peri-implant tissues. The purpose of this systematic review was to assess the clinical effect of LMS on crestal bone level and peri-implant soft tissue response, versus non-LMS collar. METHODS: Electronic and manual literature searches were performed by two independent reviewers for articles written in English up to December 2016...
March 17, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28301683/how-to-treat-two-adjacent-missing-teeth-with-dental-implants-a-systematic-review-on-single-implant-supported-two-unit-cantilever-fdp-s-and-results-of-a-5-year-prospective-comparative-study-in-the-aesthetic-zone
#4
Wouter G Van Nimwegen, Gerry M Raghoebar, Nynke Tymstra, Arjan Vissink, Henny J A Meijer
AIM: To conduct a systematic review on the clinical outcome of single implant-supported two-unit cantilever FDP's and to conduct a 5-year prospective comparative pilot study of patients with a missing central and lateral upper incisor treated with either a single implant-supported two-unit cantilever FDP or two implants with solitary implant crowns in the aesthetic zone. MATERIAL AND METHODS: Medline, Embase and the Cochrane Central Register of Controlled Trials were searched (last search August 1, 2016) for eligible studies...
March 16, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28301291/histological-and-histomorphometrical-analysys-on-a-loaded-implant-with-platform-switching-and-conical-connection-a-case-report
#5
Giovanna Iezzi, Flavia Iaculli, Roberta Calcaterra, Adriano Piattelli, Michele Di Girolamo, Luigi Baggi
The association of Morse taper implant-abutment design with the use of a smaller abutment diameter (platform-switching) may improve dental implant success rate and prevent peri-implant bone loss. The aim of the present study was to histologically and histomorphometrically evaluate the behavior of peri-implant tissues around an implant with a conical connection associated with platform-switching. A platform-switched Morse-cone connection implant was inserted in the left posterior mandible in a 61-year-old patient...
March 16, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28296981/mucosa-thickness-and-peri-implant-crestal-bone-stability-a-clinical-and-histologic-prospective-cohort-trial
#6
Luigi Canullo, Fabio Camacho-Alonso, Marco Tallarico, Silvio Mario Meloni, Erta Xhanari, David Penarrocha-Oltra
PURPOSE: To correlate soft tissue thickness and peri-implant bone remodeling of platform-switching implants. MATERIALS AND METHODS: This comparative prospective trial evaluated, for up to 3 years after implant loading, the influence of soft tissue thickness on changes in peri-implant marginal hard tissue levels. Any patient who was partially edentate in the mandible and required at least two adjacent implant-supported restorations was recruited at the University of Valencia in Spain...
March 15, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28296966/an-oral-multispecies-biofilm-model-for-high-content-screening-applications
#7
Nadine Kommerein, Sascha N Stumpp, Mathias Müsken, Nina Ehlert, Andreas Winkel, Susanne Häussler, Peter Behrens, Falk F R Buettner, Meike Stiesch
Peri-implantitis caused by multispecies biofilms is a major complication in dental implant treatment. The bacterial infection surrounding dental implants can lead to bone loss and, in turn, to implant failure. A promising strategy to prevent these common complications is the development of implant surfaces that inhibit biofilm development. A reproducible and easy-to-use biofilm model as a test system for large scale screening of new implant surfaces with putative antibacterial potency is therefore of major importance...
2017: PloS One
https://www.readbyqxmd.com/read/28294200/four-year-post-loading-results-of-full-arch-rehabilitation-with-immediate-placement-and-immediate-loading-implants-a-retrospective-controlled-study
#8
Alain Simonpieri, Roberta Gasparro, Giuseppe Pantaleo, Jolanda Mignogna, Francesco Riccitiello, Gilberto Sammartino
OBJECTIVES: The aim of this study was to evaluate implant survival rate and to measure peri-implant bone changes in fullarch rehabilitations with immediate placement and immediate loading implants with platform switching and Morse taper connection, in addition to platelet-rich fibrin (PRF) and buccal bone augmentation, after 4 years of follow-up. METHOD AND MATERIALS: In this retrospective controlled study, patients who had been fully rehabilitated with immediate placement and immediate loading implants were evaluated 4 years post-loading...
March 14, 2017: Quintessence International
https://www.readbyqxmd.com/read/28291859/short-dental-implants-retaining-two-implant-mandibular-overdentures-in-very-old-dependent-patients-radiologic-and-clinical-observation-up-to-5-years
#9
Sabrina Maniewicz, Ramona Buser, Elena Duvernay, Lydia Vazquez, Angelica Loup, Thomas V Perneger, Martin Schimmel, Frauke Müller
PURPOSE: To describe the survival rate and peri-implant bone loss in very old patients dependent for their activities of daily living (ADL), treated with mandibular two-implant overdentures (IODs) in the context of a previously reported randomized controlled trial. MATERIALS AND METHODS: A total of 19 patients received two interforaminal Straumann implants (Regular Neck, 4.1 mm diameter, 8 mm length) that were subsequently loaded with Locator attachments, transforming their preexisting inferior conventional denture into an IOD...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291856/histologic-evaluation-of-sinus-grafting-materials-after-peri-implantitis-induced-failure-a-case-series
#10
Antonio Scarano, Anastasia Kelekis Cholakis, Adriano Piattelli
PURPOSE: This human case series presents the clinical and histologic results of five cases of peri-implantitis with subsequent sinus graft infections. Complications may follow maxillary sinus augmentation procedures. It is possible to have an inflammatory reaction, movement of the implant inside the sinus, formation of an insufficient quantity of osseous tissue, and the production of an oroantral fistula. Complications following maxillary subantral augmentation procedures are relatively rare; however, the risks and benefits of any surgery must be carefully evaluated at the onset...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291849/vertical-ridge-augmentation-in-the-atrophic-mandible-a-systematic-review-and-meta-analysis
#11
Basel Elnayef, Alberto Monje, Jordi Gargallo-Albiol, Pablo Galindo-Moreno, Hom-Lay Wang, Federico Hernández-Alfaro
PURPOSE: To systematically appraise the effectiveness/reliability of vertical ridge augmentation (VRA) in the atrophic mandible. Articles that addressed any one of the following four areas were included in this study: amount of VRA, implant survival (ISR) and success rates (SSR) in the area of newly regenerated bone, complication rate during the bone augmentation procedure, and bone resorption. MATERIALS AND METHODS: An electronic literature search was conducted by two independent reviewers in several databases, including MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane Oral Health Group Trials Register databases for articles reporting VRA in the atrophic mandible via distraction osteogenesis (DO), inlay block grafting (IBG), onlay block grafting (OBG), and guided bone regeneration (GBR)...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291848/phosphorylated-pullulan-coating-enhances-titanium-implant-osseointegration-in-a-pig-model
#12
Marcio Vivan Cardoso, Amol Chaudhari, Kumiko Yoshihara, Marcelo Ferraz Mesquita, Yasuhiro Yoshida, Bart Van Meerbeek, Katleen Vandamme, Joke Duyck
PURPOSE: To investigate the effect of coating a titanium implant surface with a phosphorylated exopolysaccharide, pullulan, on the peri-implant bone formation and implant osseointegration. MATERIALS AND METHODS: Implants were placed in the skull bone of 12 domestic pigs and healed for 1 or 3 months. Osseointegration of (un)coated implants was evaluated by quantitative histology (peri-implant bone fraction [BF] and bone-to-implant-contact [BIC]). The Wilcoxon-Mann-Whitney test with α = ...
March 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28291188/quantification-of-peri-implant-bacterial-load-and-in-vivo-biofilm-formation-in-an-innovative-clinically-representative-mouse-model-of-periprosthetic-joint-infection
#13
Alberto V Carli, Samrath Bhimani, Xu Yang, Matthew B Shirley, Karen L de Mesy Bentley, F Patrick Ross, Mathias P G Bostrom
BACKGROUND: Periprosthetic joint infection (PJI) is a devastating complication following total joint arthroplasty. Current animal models of PJI are limited because of a lack of quantitative methods and failure to effectively recreate the periprosthetic space. We therefore developed a murine PJI model involving a 3-dimensionally printed Ti-6Al-4V implant capable of bearing weight and permitting quantitative analysis of periprosthetic bacterial load and evaluation of biofilm. METHODS: Twenty-five 12-week-old C57BL/6 mice received a unilateral proximal tibial implant and intra-articular injection of either 3 × 10 colony forming units (CFUs) of Staphylococcus aureus Xen 36 or saline solution...
March 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28285161/nanoparticle-mediated-ppar%C3%AE-gene-delivery-on-dental-implants-improves-osseointegration-via-mitochondrial-biogenesis-in-diabetes-mellitus-rat-model
#14
Young-Hee Lee, Jeong-Seok Kim, Ji-Eun Kim, Min-Ho Lee, Jae-Gyu Jeon, Il-Song Park, Ho-Keun Yi
Diabetes mellitus (DM) has a detrimental effect on osseointegration, stability and longevity of implants due to osteoporosis. In this study, PPARγ-loaded dental implants were investigated for the improvement of osseointegration and peri-implantitis. Chitosan gold nanoparticles conjugated with PPARγ cDNA were introduced on titanium mini-implant surfaces for PPARγ release to rat mandibular. DM-induced rat mandible showed structural changes such as decreased bone mass and increased inflammatory molecules, and diminution of PPARγ expression and bone formation molecules compared to normal rats...
March 8, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28285038/peri-implant-distribution-of-polyethylene-debris-in-postmortem-retrieved-knee-arthroplasties-can-polyethylene-debris-explain-loss-of-cement-bone-interlock-in-successful-total-knee-arthroplasties
#15
Karen I Cyndari, Jacklyn R Goodheart, Mark A Miller, Megan E Oest, Timothy A Damron, Kenneth A Mann
BACKGROUND: Loss of mechanical interlock between cement and bone with in vivo service has been recently quantified for functioning, nonrevised, cemented total knee arthroplasties (TKAs). The cause of interlocking trabecular resorption is not known. The goal of this study is to quantify the distribution of PE debris at the cement-bone interface and determine if polyethylene (PE) debris is locally associated with loss of interlock. METHODS: Fresh, nonrevised, postmortem-retrieved TKAs (n = 8) were obtained en bloc...
February 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28283813/effects-of-photodynamic-laser-and-violet-blue-led-irradiation-on-staphylococcus-aureus-biofilm-and-escherichia-coli-lipopolysaccharide-attached-to-moderately-rough-titanium-surface-in-vitro-study
#16
Marco Giannelli, Giulia Landini, Fabrizio Materassi, Flaminia Chellini, Alberto Antonelli, Alessia Tani, Daniele Nosi, Sandra Zecchi-Orlandini, Gian Maria Rossolini, Daniele Bani
Effective decontamination of biofilm and bacterial toxins from the surface of dental implants is a yet unresolved issue. This study investigates the in vitro efficacy of photodynamic treatment (PDT) with methylene blue (MB) photoactivated with λ 635 nm diode laser and of λ 405 nm violet-blue LED phototreatment for the reduction of bacterial biofilm and lipopolysaccharide (LPS) adherent to titanium surface mimicking the bone-implant interface. Staphylococcus aureus biofilm grown on titanium discs with a moderately rough surface was subjected to either PDT (0...
March 10, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28281851/antibacterial-activity-and-biofilm-inhibition-by-surface-modified-titanium-alloy-medical-implants-following-application-of-silver-titanium-dioxide-and-hydroxyapatite-nanocoatings
#17
A Besinis, S D Hadi, H R Le, C Tredwin, R D Handy
One of the most common causes of implant failure is peri-implantitis, which is caused by bacterial biofilm formation on the surfaces of dental implants. Modification of the surface nanotopography has been suggested to affect bacterial adherence to implants. Silver nanoparticles are also known for their antibacterial properties. In this study, titanium alloy implants were surface modified following silver plating, anodisation and sintering techniques to create a combination of silver, titanium dioxide and hydroxyapatite (HA) nanocoatings...
March 17, 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28281321/basis-of-bone-metabolism-around-dental-implants-during-osseointegration-and-peri-implant-bone-loss
#18
REVIEW
Angel Insua, Alberto Monje, Hom-Lay Wang, Richard J Miron
BACKGROUND: Despite the growing number of publications in the field of implant dentistry, there are limited studies to date investigating the biology and metabolism of bone healing around dental implants and their implications in peri-implant marginal bone loss. PURPOSE: The aim of this review article is to provide a thorough understanding of the biological events taking place during osseointegration and the subsequent early and late phases of bone remodeling around dental implants...
March 9, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28280731/early-bone-formation-around-immediately-loaded-transitional-implants-inserted-in-the-human-posterior-maxilla-the-effects-of-fixture-design-and-surface
#19
RANDOMIZED CONTROLLED TRIAL
Carlo Mangano, Jamil Awad Shibli, Jefferson Trabach Pires, Giuseppe Luongo, Adriano Piattelli, Giovanna Iezzi
Aim. To evaluate the effects of fixture design and surface on the early bone formation around immediately loaded implants inserted in the human posterior maxilla. Materials and Methods. Ten totally edentulous subjects received two transitional implants: one tapered implant with knife-edge threads/nanostructured calcium-incorporated surface (test: Anyridge®, Megagen, Gyeongbuk, South Korea) and one cylindrical implant with self-tapping threads/sandblasted surface (control: EZPlus®, Megagen). The implants were placed according to a split-mouth design and immediately loaded to support an interim complete denture; after 8 weeks, they were removed for histologic/histomorphometric analysis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28274501/microbiological-and-ammp-8-findings-depending-on-peri-implant-disease-in-patients-undergoing-supportive-implant-therapy
#20
Dirk Ziebolz, Gerhard Schmalz, Daniel Gollasch, Peter Eickholz, Sven Rinke
The aim of this study was to evaluate microbiological findings and aMMP-8 level of peri-implant mucositis (M) and peri-implantitis (P) in patients undergoing supportive implant therapy (SIT). Eighty-nine patients with 171 implants were included. The case definitions were as follows: M: PPD ≥4mm, BOP; P: PPD≥4mm, BOP, radiographic bone loss ≥3.5mm. Samples of peri-implant sulcular fluid (PISF) were taken from all peri-implant pockets at each implant to detect periodontal pathogens using PCR and aMMP-8 level with ELISA...
February 21, 2017: Diagnostic Microbiology and Infectious Disease
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