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Peri-implant bone

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https://www.readbyqxmd.com/read/28914597/combination-of-ultrasonic-decontamination-soft-tissue-curettage-and-submucosal-air-polishing-with-povidone-iodine-application-for-non-surgical-therapy-of-peri-implantitis-12-months-clinical-outcomes
#1
Jamal M Stein, Christian Hammächer, Sareh Said-Yekta Michael
BACKGROUND: The aim of this study was to evaluate the clinical outcomes of a concept for non-surgical peri-implantitis combining stepwise mechanical debridement measures with adjuvant Povidone-iodine application with and without systemic antibiotics. METHODS: 45 patients with chronic periodontitis comprising 164 screw-typed implants with peri-implantitis were included. Peri-implantitis was defined as radiographic bone loss of >2 mm, probing pocket depth (PD) ≥5 mm with bleeding on probing (BOP)...
September 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28914595/evaluation-of-gingival-crevicular-fluid-and-peri-implant-sulcus-fluid-levels-of-periostin-a-preliminary-report
#2
Abdullah C Akman, Sezen Buyukozdemir Askin, Guliz N Guncu, Rahime M Nohutcu
BACKGROUND: Periostin, a protein present in the alveolar bone and periodontal ligament, related to response to external forces. The aims of this study are; to detect the levels of periostin in peri-implant sulcular fluid (PISF) and gingival crevicular fluid (GCF), and to evaluate the relationship between periostin, ICTP (Pyridinoline cross-linked carboxyterminal telopeptide of type 1 collagen) and CTX (C-terminal crosslinked telopeptide of type 1 collagen) levels and clinical inflammatory symptoms and duration of functional loading...
September 15, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28910363/impaired-bone-formation-in-ovariectomized-mice-reduces-implant-integration-as-indicated-by-longitudinal-in-vivo-micro-computed-tomography
#3
Zihui Li, Gisela Kuhn, Michael Schirmer, Ralph Müller, Davide Ruffoni
Although osteoporotic bone, with low bone mass and deteriorated bone architecture, provides a less favorable mechanical environment than healthy bone for implant fixation, there is no general agreement on the impact of osteoporosis on peri-implant bone (re)modeling, which is ultimately responsible for the long term stability of the bone-implant system. Here, we inserted an implant in a mouse model mimicking estrogen deficiency-induced bone loss and we monitored with longitudinal in vivo micro-computed tomography the spatio-temporal changes in bone (re)modeling and architecture, considering the separate contributions of trabecular, endocortical and periosteal surfaces...
2017: PloS One
https://www.readbyqxmd.com/read/28906511/association-of-cytokine-gene-polymorphism-with-peri-implantitis-risk
#4
Aleksandra Petkovic-Curcin, Katarina Zeljic, Bojana Cikota-Aleksic, Dragana Dakovic, Zoran Tatic, Zvonko Magic
PURPOSE: To investigate whether polymorphisms of cluster of differentiation 14 (CD14), tumor necrosis factor alpha (TNFα), interleukin (IL)6, IL10, and IL1ra genes are associated with the risk of peri-implantitis susceptibility in patients with dental implants in the Serbian population. MATERIALS AND METHODS: Isolated DNA from the blood was used for IL10-1082, TNFα-308, IL6-174, CD14-159, and interleukin 1 receptor antagonist (IL1ra) genotyping using polymerase chain reaction (PCR)-based methodology...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28906504/association-between-clinical-and-microbiologic-cluster-profiles-and-peri-implantitis
#5
Luigi Canullo, Miguel Peñarrocha, Alberto Monje, Andres Catena, Hom-Lay Wang, David Peñarrocha
PURPOSE: The correlation between associated local factors and peri-implantitis remains unknown. The aim of this study was to investigate the association between the clinical and microbiologic profiles and peri-implantitis to eventually categorize different groups of this disease. MATERIALS AND METHODS: Subjects with at least one implant presenting signs of peri-implantitis were selected. The clinical, radiographic, occlusal, and microbiologic profiles of these infected implants were collected...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28902426/surgical-treatment-of-peri-implantitis-3-year-results-from-a-randomized-controlled-clinical-trial
#6
Olivier Carcuac, Jan Derks, Ingemar Abrahamsson, Jan L Wennström, Max Petzold, Tord Berglundh
OBJECTIVES: This study reports on the 3-year follow-up of patients enrolled in a randomized controlled clinical trial on surgical treatment of advanced peri-implantitis. MATERIAL & METHODS: 100 patients with advanced peri-implantitis were randomly assigned to one of four treatment groups. Surgical therapy aiming at pocket elimination was performed and, in three test groups, supplemented by either systemic antibiotics, use of an antiseptic agent for implant surface decontamination or both...
September 13, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28902420/one-piece-zirconia-oral-implants-for-single-tooth-replacement-three-year-results-from-a-long-term-prospective-cohort-study
#7
Ralf-Joachim Kohal, Benedikt Christopher Spies, Annalena Bauer, Frank Butz
AIM: This 3-year report of a prospective long-term cohort investigation aimed to evaluate the clinical and radiographic outcomes of a one-piece zirconia oral implant for single tooth replacement. MATERIALS AND METHODS: 65 patients received a 1-stage implant surgery with immediate temporization. Standardized radiographs were taken at implant insertion, after 1 year, and after 3 years to monitor peri-implant bone levels. A univariate analysis of the association of different baseline parameters on marginal bone loss from implant insertion to 36 months was performed...
September 13, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28902415/surgical-treatment-of-peri-implantitis-prognostic-indicators-of-short-term-results
#8
Odd Carsten Koldsland, Johan Caspar Wohlfahrt, Anne Merete Aass
AIM: To evaluate the clinical and radiographic short-term (6 months) effect of surgical treatment of peri-implantitis, and to identify prognostic indicators affecting the outcome using a multilevel statistical model. MATERIAL & METHODS: A total of 143 implants (45 patients) with a diagnosis of progressive peri-implantitis (progressive bone loss ≥2.0mm and BoP/suppuration) received surgical treatment. Clinical and radiographic parameters were assessed 6 months post-operatively...
September 13, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28899856/release-of-the-tourniquet-immediately-after-the-implantation-of-the-components-reduces-the-incidence-of-deep-vein-thrombosis-after-primary-total-knee-arthroplasty
#9
P Zan, M O Mol, J J Yao, L Fan, D Yang, K Liu, G Li
AIMS: The length of the tourniquet time during total knee arthroplasty (TKA) is related to the incidence of post-operative deep vein thrombosis (DVT). Our aim in this study was to investigate the effect of the early release of the tourniquet on the incidence of DVT in patients undergoing TKA. METHODS: A total of 200 patients who underwent TKA between November 2015 and November 2016 were prospectively enrolled. The tourniquet was inflated before surgery and released immediately after the introduction of the components (early release group)...
September 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28898426/differences-between-inflammatory-and-catabolic-mediators-of-peri-implantitis-and-periodontitis-lesions-following-initial-mechanical-therapy-an-exploratory-study
#10
M Ghighi, A Llorens, B Baroukh, C Chaussain, P Bouchard, M Gosset
BACKGROUND AND OBJECTIVE: The aim of this study was to analyze the differences in inflammatory and catabolic mediators expressed in peri-implantitis compared to periodontitis lesions after non-surgical therapy. Peri-implantitis is associated with a faster rate of bone loss when compared with periodontitis, and peri-implant non-surgical therapy is ineffective to cure peri-implantitis. This may be due to persistent inflammation in peri-implantitis tissues after initial mechanical treatment...
September 12, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28888933/microstructures-mechanical-properties-and-degradation-behaviors-of-heat-treated-mg-sr-alloys-as-potential-biodegradable-implant-materials
#11
Yuxiang Wang, Di Tie, Renguo Guan, Ning Wang, Yingqiu Shang, Tong Cui, Junqiao Li
In previous studies, Mg-Sr alloys exhibited great biocompatibility with regard to test animals, and enhanced peri-implant bone formation. The objective of the present study was to investigate the effects of heat treatments on the mechanical and corrosion properties of Mg-Sr alloys. Various heat-treated Mg-xSr (x = 0.5, 1, and 2wt%, nominal composition) alloys were prepared using homogenization and aging treatments. Mechanical tests were performed at room temperature on the as-cast, homogenized, and peak-aged alloys...
August 24, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28887721/narrow-implants-2-75-and-3-25%C3%A2-mm-diameter-supporting-a-fixed-splinted-prostheses-in-posterior-regions-of-mandible-one-year-results-from-a-prospective-cohort-study
#12
Tommaso Grandi, Luigi Svezia, Giovanni Grandi
BACKGROUND: Can multiple splinted narrow-diameter implants be used as definitive implants in patients with insufficient bone ridge thickness in posterior regions of the mandible? With this aim, we evaluated their outcomes in this set up to 1 year after loading. METHODS: Forty-two patients with a mean age of 61.3 years old (range 49-73) in need of fixed prosthetic implant-supported rehabilitations in the posterior region of the mandible, presenting a thin alveolar crest, were selected...
September 8, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28884882/a-retro-prospective-effectiveness-study-on-3448-implant-operations-at-one-referral-clinic-a-multifactorial-analysis-part-ii-clinical-factors-associated-to-peri-implantitis-surgery-and-late-implant-failures
#13
Torsten Jemt
BACKGROUND: Little knowledge is available on implant treatment in large effectiveness studies in routine practice. PURPOSE: To report retro-prospective data on prevalence of peri-implantitis surgery and late implant failures in a large number of routine patients at 1 referral clinic. MATERIALS AND METHODS: Altogether 9582 implants with an anodized surface (Nobel Biocare AB) were consecutively placed between 2003 and 2011 and followed-up to end of 2015...
September 8, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28883590/peri-implantitis-and-the-prosthodontist
#14
A Dawood, B Marti Marti, S Tanner
Peri-implantitis has been described as progressive crestal bone loss around a dental implant. The condition is poorly understood, and is challenging to manage; it is commonly and widely attributed to issues with the implant, the implant surface, surgical technique and oral hygiene. The effect of prosthodontic stages of treatment on the postoperatively established state has not been adequately investigated. It is the authors' contention that the manner in which the implant is restored contributes significantly to prognosis and peri-implant disease experience, and that the role of prosthodontic aspects of treatment in the causation of peri-implantitis may be seriously underestimated...
September 8, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28875278/investigation-of-peri-implant-tissue-conditions-and-peri-implant-tissue-stability-in-implants-placed-with-simultaneous-augmentation-procedure-a-3-year-retrospective-follow-up-analysis-of-a-newly-developed-bone-level-implant-system
#15
Jonas Lorenz, Henriette Lerner, Robert A Sader, Shahram Ghanaati
BACKGROUND: Guided bone regeneration (GBR) has been proven to be a reliable therapy to regenerate missing bone in cases of atrophy of the alveolar crest. The aim of the present retrospective analysis was to assess peri-implant tissue conditions and document peri-implant tissue stability in C-Tech implants when placed simultaneously with a GBR augmentation procedure. METHODS: A total of 47 implants, which were placed simultaneously with a GBR procedure with a synthetic bone substitute material in 20 patients, were investigated clinically and radiologically at least 3 years after loading...
September 5, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28874652/three-year-prospective-evaluation-of-immediately-loaded-mandibular-implant-overdentures-retained-with-locator-attachments
#16
Ayman Al-Dharrab
INTRODUCTION: Immediate implant-loading protocol has progressed because of various clinical advantages offered by this treatment approach. However, available studies on edentulous patients are still few compared to those in which delayed implant-loading protocol was applied. AIM: This prospective study was to evaluate the implant survival rate and the peri-implant tissue response in a group of patients who received two unsplinted immediately loaded dental implants in the mandibular anterior region to retain a complete overdenture using locator attachments...
September 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28873021/parameters-to-define-peri-implantitis-a-review-and-a-proposed-multi-domain-scale
#17
Guo-Hao Lin, Yvonne Kapila, Hom-Lay Wang
Peri-implant diseases have received much attention since dental implants are generally used in contemporary dentistry. Several contributing factors associated with the development of peri-implant diseases have also been investigated. The prevalence of peri-implantitis has been reported but with great heterogeneity due to a lack of a universally accepted classification system to define the extent and severity of peri-implantitis. Several parameters, including radiographic bone loss, probing depth, bleeding on probing, and suppuration, have been introduced in these reports aiming to assist with clinical diagnosis...
September 5, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28872184/role-of-toll-like-receptor-2-in-inflammation-and-alveolar-bone-loss-in-experimental-peri-implantitis-versus-periodontitis
#18
X Yu, Y Hu, M Freire, P Yu, T Kawai, X Han
BACKGROUND AND OBJECTIVE: Peri-implantitis and periodontitis are different entities in immune characteristics even though they share similar features in clinical and radiologic signs. Toll-like receptor 2 (TLR-2), one of the key pathogen-recognition receptors in the innate immune system, plays an important role in the progression of periodontitis. However, the role of TLR-2 in peri-implantitis remains unclear. The objective of this study was to investigate the role of TLR-2 in inflammation and alveolar bone loss in a murine model of ligature-induced peri-implantitis and to compare it with ligature-induced periodontitis...
September 5, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28867647/inhibitory-effects-of-melatonin-on-titanium-particle-induced-inflammatory-bone-resorption-and-osteoclastogenesis-via-suppression-of-nf-%C3%AE%C2%BAb-signaling
#19
Zichuan Ping, Zhirong Wang, Jiawei Shi, Liangliang Wang, Xiaobin Guo, Wei Zhou, Xuanyang Hu, Xiexing Wu, Yu Liu, Wen Zhang, Huilin Yang, Yaozeng Xu, Ye Gu, Dechun Geng
Wear debris-induced peri-implant osteolysis challenges the longevity of implants. The host response to wear debris causes chronic inflammation, promotes bone resorption, and impairs bone formation. We previously demonstrated that melatonin enhances bone formation and attenuates wear debris-induced bone loss in vivo. However, whether melatonin inhibits chronic inflammation and bone resorption at sites of wear debris-induced osteolysis remains unclear. In this study, we examined the potential inhibitory effects of melatonin on titanium particle-induced inflammatory osteolysis in a murine calvarial model and on RANKL-induced osteoclastic formation in bone marrow-derived macrophages...
August 31, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28866149/three-dimensional-finite-element-analysis-of-occlusal-splint-and-implant-connection-on-stress-distribution-in-implant-supported-fixed-dental-prosthesis-and-peri-implantal-bone
#20
Vívian Dos Santos Marsico, Roberto Brunow Lehmann, Cristiane Aparecida de Assis Claro, Marina Amaral, Rafael Pino Vitti, Ana Christina Claro Neves, Lais Regiane da Silva Concilio
The aim of this study was to investigate the influence of occlusal splint therapy on the stress distribution of implant-supported fixed dental prosthesis (FDP) and peri-implantal bone structures using three-dimensional (3D) finite element analysis (FEA). The system consisted of two implants (positioned on region of second premolar and second molar) as retainers of fixed porcelain-fused-to-metal 3-unit FDP (first molar as pontic element). Two implant connections systems (external and internal hexagon) were tested...
November 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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