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Peri-implant disease

Renzo Guarnieri, Maurizio Grande, Francesco Zuffetti, Tiziano Testori
PURPOSE: To retrospectively evaluate the incidence of peri-implant mucositis and peri-implantitis around dental implants with the same body design and surface but different collar surface (laser-microgrooved vs not laser-microgrooved) after 5 years of loading in private practice patients. MATERIALS AND METHODS: The study was carried out on patients at a private dental clinic enrolled in a periodontal maintenance program, who received at least one implant with a laser-microgrooved collar surface and one implant without a laser-microgrooved collar surface...
March 2018: International Journal of Oral & Maxillofacial Implants
Pedro C Aravena, Camila P Oyarzún, María F Arias, Héctor Monardes, Alejandro Jerez, Bruna Benso
PURPOSE: The use of antibiotic prophylaxis in dental implant surgery is a routine dental practice to prevent implant failure. Current systematic reviews have yet to confirm the effectiveness of antibiotic treatment at reducing postoperative infection rates in implant procedures. The aim of this study was to quantify amoxicillin plasma levels at the peripheral venous blood and at the surgical implant site in patients undergoing dental treatment. MATERIALS AND METHODS: A prospective study was conducted...
March 2018: International Journal of Oral & Maxillofacial Implants
Ryan L Wong, Sarah Hiyari, Aline Yaghsezian, Mina Davar, Maísa Casarin, Yi-Ling Lin, Sotirios Tetradis, Paulo M Camargo, Flavia Q Pirih
BACKGROUND: Peri-implantitis is an inflammatory response to bacterial biofilm resulting in bone loss and can ultimately lead to implant failure. Due to the lack of predictable treatments available, a thorough understanding of peri-implantitis's pathogenesis is essential. The objective of this study is to evaluate and compare the response of acute induced peri-implantitis and periodontitis lesions after insult removal. METHODS: Implants were placed in one-month-old C57BL/6J male mice eight weeks post extraction of their left maxillary molars...
February 19, 2018: Journal of Periodontology
Hua Qi, Baosheng Li, Heling Wang, Qing Cai, Xu Quan, Yunxia Cui, Weiyan Meng
BACKGROUND: When presented with a surface or an interface, bacteria often grow as biofilms in which cells are held together by an extracellular matrix. Biofilm formation on implants is an initiating factor for their failure. Porphyromonas gingivalis is the primary etiologic bacteria of initiation and progression of periodontal disease. This microorganism is also the risk factor of many systemic diseases, such as cardiovascular disease, diabetes, and pulmonary infection. To date, no medication that can remove such biofilm has been accepted for clinical use...
March 2018: Journal of Periodontology
P Papi, C Letizia, A Pilloni, L Petramala, V Saracino, D Rosella, G Pompa
OBJECTIVE: Metabolic syndrome (MetS) is defined as a spectrum of conditions associated with an increased risk of developing CVD and type 2 diabetes. MetS include: hyperglycemia, hypertension, visceral obesity, dyslipidemia with elevated values of triglycerides (TG) and low levels of HDL. The aim of this review is to provide current knowledge of the relationship between MetS, its components and peri-implant diseases. MATERIALS AND METHODS: An electronic literature search was conducted in the English language in several databases...
February 2018: European Review for Medical and Pharmacological Sciences
E Anitua, L Piñas, V Escuer-Artero, R S Fernández, M H Alkhraisat
Oral lichen planus is associated with the Koebner phenomenon, and trauma may exacerbate oral lesions. Short dental implants, as alternatives to bony augmentation, would reduce the number of interventions and their morbidity. However, we know of no studies that have analysed the long-term outcomes of short implants in patients with oral lichen planus. We have therefore designed a retrospective study of such patients treated with short implants (≤8.5mm long), with survival of implants as the main outcome. The secondary outcomes were marginal bone loss and the development of complications...
March 1, 2018: British Journal of Oral & Maxillofacial Surgery
Martin Eckert, Danuta Mizgalska, Anton Sculean, Jan Potempa, Andreas Stavropoulos, Sigrun Eick
Porphyromonas gingivalis and Tannerella forsythia secrete proteases, gingipains and KLIKK-proteases. In addition, T. forsythia produces a serpin (miropin) with broad inhibitory spectrum. The aim of this pilot study was to determine the level of expression of miropin and individual proteases in vivo in periodontal and peri-implant health and disease conditions. Biofilm and gingival/peri-implant crevicular fluid (GCF or PISF respectively) samples from healthy tooth and implant sites (n=10), gingivitis and mucositis sites (n=12), and periodontitis and peri-implantitis sites (n=10)...
March 2, 2018: Molecular Oral Microbiology
Daniel S Thoma, Nadja Naenni, Elena Figuero, Christoph H F Hämmerle, Frank Schwarz, Ronald E Jung, Ignacio Sanz-Sánchez
OBJECTIVE: To review the dental literature in terms of soft tissue augmentation procedures and their influence on peri-implant health or disease in partially and fully edentulous patients. METHODS: A MEDLINE search from 1966 to 2016 was performed to identify controlled clinical studies comparing soft tissue grafting versus no soft tissue grafting (maintenance) or two types of soft tissue grafting procedures at implant sites. The soft tissue grafting procedures included either an increase of keratinized tissue or an increase of the thickness of the peri-implant mucosa...
March 2018: Clinical Oral Implants Research
William V Giannobile, Ronald E Jung, Frank Schwarz
OBJECTIVES: The goal of Working Group 1 at the 2nd Consensus Meeting of the Osteology Foundation was to comprehensively assess the effects of soft tissue augmentation procedures on peri-implant health or disease. MATERIALS AND METHODS: A systematic review and meta-analysis on the effects of soft tissue augmentation procedures included a total of 10 studies (mucosal thickness: n = 6; keratinized tissue: n = 4). Consensus statements, clinical recommendations, and implications for future research were based on structured group discussions and a plenary session approval...
March 2018: Clinical Oral Implants Research
Ignacio Sanz-Sánchez, Ana Carrillo de Albornoz, Elena Figuero, Frank Schwarz, Ronald Jung, Mariano Sanz, Daniel Thoma
OBJECTIVES: This systematic review evaluated the evidence on the effect of the interventions aimed for lateral ridge augmentation (both simultaneously with implant placement or as a staged procedure) on peri-implant health or disease. METHODS: A protocol was developed to answer the following PICO question: "In patients with horizontal alveolar ridge deficiencies (population), what is the effect of lateral bone augmentation procedures (intervention and comparison) on peri-implant health (outcome)?" Included studies were randomised controlled trials or controlled clinical trials with a follow-up of at least 12 months after implant loading...
March 2018: Clinical Oral Implants Research
Frank Schwarz, William V Giannobile, Ronald E Jung
OBJECTIVES: One task of Working Group 1 at the 2nd Consensus Meeting of the Osteology Foundation was to comprehensively assess the effects of hard tissue augmentation procedures on peri-implant health or disease. MATERIALS AND METHODS: One systematic review and meta-analysis on the effects of hard tissue augmentation procedures included a total of eight studies (n = 12 publications). Consensus statements, clinical recommendations, and implications for future research were based on structured group discussions and plenary session approval...
March 2018: Clinical Oral Implants Research
Mathilde Fénelon, Sabine Castet, Jean-Christophe Fricain, Sylvain Catros
Introduction: Von Willebrand Disease is the most common inherited bleeding disorder. In the general population, 1/8000 patients are affected. Primary hemostasis (platelet adhesion) and coagulation (protection of Factor VIII) are altered. Among several bleeding symptoms, these patients suffer from excessive bleeding of oral mucosa and dental management requires a close collaboration between haematologists and oral surgeons. Materials & Methods: Guided implant surgery can be used to increase the accuracy of implant placement and to reduce the overall morbidity of this surgical procedure by using a flapless surgery technique...
2018: Open Dentistry Journal
Elisheva Friedman, Negin Alizadeh, Zvi Loewy
This study aims to consider the microbial distribution in oral disease, as well as gene analysis and expression, in elucidating: 1, the fundamental underpinnings of oral disease, and 2, the potential relationship between oral diseases and systemic health. A key focus is identifying the microbiota associated with oral disease manifestations characterized by both conventional microbiological and molecular methods. Variations in the observed microbial populations characterized by conventional and molecular approaches have been identified for caries, periodontitis, peri-implantitis, and stomatitis...
August 1, 2017: High Throughput
A Vissink, Fkl Spijkervet, G M Raghoebar
In healthy subjects, dental implants have evolved to be a common therapy to solve problems related to stability and retention of dentures as well as to replace failing teeth. Although dental implants are applied in medically compromised patients, it is often not well known whether this therapy is also feasible in these patients, whether the risk of implant failure and developing peri-implantitis is increased, and what specific preventive measures, if any, have to be taken when applying dental implants in these patients...
March 2018: Oral Diseases
R M Gaudio, L Ottria, D Lauritano, A Palmieri, F Cura, A Tagliabue, L Tettamanti
Implant dentistry has become one of the most successful techniques for oral rehabilitation over the last 20 years. The success rate of implant oral rehabilitation is above 80% while peri-implant disease (PID) is the most important complication of implant dentistry. The main cause of PID is considered bacterial leakage at the implant-abutment connection of a two-piece implant system. Prevention and control of bacterial leakage at the implant-abutment connection is mandatory for reducing inflammation process around implants neck and achieving bone stability...
January 2018: Journal of Biological Regulators and Homeostatic Agents
Samir-Pierre Issa, David Biau, Antoine Babinet, Valérie Dumaine, Malo Le Hanneur, Philippe Anract
PURPOSE: Despite numerous reconstructive techniques and prosthetic devices, pelvic reconstructions following peri-acetabular malignant tumours resections are highly challenging. In the present study, we describe our experience with the Integra® (Lépine, Genay, France) ice-cream cone prosthesis in such indications. The objective was to assess the mid-term outcomes of this device. METHODS: Twenty-four patients' chart with peri-acetabular malignant tumours, who underwent types II or II + III peri-acetabular resections according to Enneking and Dunham with subsequent reconstruction using the Integra® prosthesis between February 2009 and February 2015, were reviewed...
January 27, 2018: International Orthopaedics
Chengye Che, Jie Liu, Jianjun Yang, Lei Ma, Na Bai, Qian Zhang
BACKGROUND AND PURPOSE: Peri-implantitis is caused by a cascade of host and microbial factors leading to an oral inflammatory disease. The inflammation proliferates into supporting tissues surrounding implants and may finally lead to a complete loss of osseointegration. Being a phosphorylated glycoprotein secreted by immunocompetent cells, osteopontin (OPN) is involved in the differentiation of odontoblast-like cells during pulpal healing following tooth transplantation and the secretion of type I collagen in reparative dentin...
February 15, 2018: Clinical Implant Dentistry and related Research
Cimara Fortes Ferreira, Mohamed Amer Shafter, Vinay Jain, Russel Anthony Wicks, Erno Linder, Carlos Alberto da Silva Ledo
BACKGROUND: Extruded cement during dental implant crown cementation may cause peri-implant diseases if not removed adequately. AIM: Evaluate the efficiency of removal of cement after cementation of implant crowns using an experimental "circular crisscross flossing technique (CCCFT) flossing technique, compared to the conventional "C" shape flossing technique (CSFT). MATERIAL AND METHODS: Twenty-four patients rendered 29 experimental and 29 control crowns...
February 13, 2018: Journal of Oral Implantology
Caroline Bleakley, Mark J Monaghan
PURPOSE OF REVIEW: Transcatheter aortic valve replacement (TAVR) is underpinned by an array of imaging techniques designed to not only select an appropriately sized implant but also to identify potential obstacles to procedural success. This review presents currently important aspects of TAVR imaging, describing the salient features of each modality as well as recent developments in the field. RECENT FINDINGS: The latest data on TAVR outcomes reflects the increasing experience of operators and the significant role of pre-procedural imaging...
February 12, 2018: Current Cardiology Reports
Hannah M Brown, Ella S Green, Tiffany C Y Tan, Macarena B Gonzalez, Alice R Rumbold, M Louise Hull, Robert J Norman, Nicolle H Packer, Sarah A Robertson, Jeremy G Thompson
Diabetes has been linked with impaired fertility but the underlying mechanisms are not well defined. Here we use a streptozotocin-induced diabetes mouse model to investigate the cellular and biochemical changes in conceptus and maternal tissues that accompany hyperglycaemia. We report that streptozotocin treatment before conception induces profound intra-cellular protein β-O-glycosylation (O-GlcNAc) in the oviduct and uterine epithelium, prominent in early pregnancy. Diabetic mice have impaired blastocyst development and reduced embryo implantation rates, and delayed mid-gestation growth and development...
February 1, 2018: Scientific Reports
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