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https://www.readbyqxmd.com/read/28335262/nanomaterials-for-tissue-engineering-in-dentistry
#1
REVIEW
Manila Chieruzzi, Stefano Pagano, Silvia Moretti, Roberto Pinna, Egle Milia, Luigi Torre, Stefano Eramo
The tissue engineering (TE) of dental oral tissue is facing significant changes in clinical treatments in dentistry. TE is based on a stem cell, signaling molecule, and scaffold triad that must be known and calibrated with attention to specific sectors in dentistry. This review article shows a summary of micro- and nanomorphological characteristics of dental tissues, of stem cells available in the oral region, of signaling molecules usable in TE, and of scaffolds available to guide partial or total reconstruction of hard, soft, periodontal, and bone tissues...
July 21, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335189/synergistic-antibacterial-effects-of-nanoparticles-encapsulated-with-scutellaria-baicalensis-and-pure-chlorhexidine-on-oral-bacterial-biofilms
#2
Ken Cham-Fai Leung, Chaminda Jayampath Seneviratne, Xuan Li, Ping Chung Leung, Clara Bik San Lau, Chi-Hin Wong, Ka Yan Pang, Chun Wai Wong, Elaine Wat, Lijian Jin
Scutellariabaicalensis (SB) is a traditional Chinese medicine for treating infectious and inflammatory diseases. Our recent study shows potent antibacterial effects of nanoparticle-encapsulated chlorhexidine (Nano-CHX). Herein, we explored the synergistic effects of the nanoparticle-encapsulated SB (Nano-SB) and Nano-CHX on oral bacterial biofilms. Loading efficiency of Nano-SB was determined by thermogravimetric analysis, and its releasing profile was assessed by high-performance liquid chromatographyusing baicalin (a flavonoid compound of SB) as the marker...
April 7, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334934/a-pseudaminic-acid-or-a-legionaminic-acid-derivative-transferase-is-strain-specifically-implicated-in-the-general-protein-o-glycosylation-system-of-the-periodontal-pathogen-tannerella-forsythia
#3
Markus B Tomek, Bettina Janesch, Daniel Maresch, Markus Windwarder, Friedrich Altmann, Paul Messner, Christina Schäffer
The occurrence of nonulosonic acids in bacteria is wide-spread and linked to pathogenicity. However, the knowledge of cognate nonulosonic acid transferases is scarce. In the periodontopathogen Tannerella forsythia, several proposed virulence factors carry strain-specifically either a pseudaminic or a legionaminic acid derivative as terminal sugar on an otherwise structurally identical, protein-bound oligosaccharide. This study aims to shed light on the transfer of either nonulosonic acid derivative on a proximal N-acetylmannosaminuronic acid residue within the O-glycan structure, exemplified with the bacterium's abundant S-layer glycoproteins...
March 16, 2017: Glycobiology
https://www.readbyqxmd.com/read/28333394/socket-shield-technique-for-immediate-implant-placement-clinical-radiographic-and-volumetric-data-after-5%C3%A2-years
#4
Daniel Bäumer, Otto Zuhr, Stephan Rebele, Markus Hürzeler
OBJECTIVES: Implant placement immediately after tooth extraction is often accompanied by resorption of surrounding tissues. A clinical technique was developed where the buccal portion of the root is retained to preserve the periodontal ligament and bundle bone. This technique is based on animal studies showing the potential to preserve the facial tissues utilizing this approach. The purpose of this study was to gain more insight regarding the safety of the technique with regard to biological and implant-related long-term complications and to observe the clinical appearance of the peri-implant tissues...
March 23, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28332718/lower-risk-for-cardiovascular-mortality-for-patients-with-root-filled-teeth-in-a-finnish-population
#5
J H Meurman, S-J Janket, M Surakka, E A Jackson, L K Ackerson, H R Fakhri, S Chogle, A Walls
AIM: To investigate the relationship of radiographic evidence of root filled teeth to cardiovascular outcomes. METHODOLOGY: Baseline data for 506 subjects including 256 angiographically verified heart disease patients and 250 matched cardiologically healthy controls participating in the Kuopio Oral Health and Heart study were collected in 1995-1996. Cardiovascular disease (CVD) mortalities were accrued until May 31(st) 2015 and appended to the baseline data. Mortality status data were obtained from the Finnish National Death Register where all mortality cases and the causes of death are compiled for all Finnish citizens...
March 23, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28332191/combined-application-of-er-yag-and-nd-yag-lasers-in-treatment-of-chronic-periodontitis-a-split-mouth-single-blind-randomized-controlled-trial
#6
M Sağlam, S Köseoğlu, I Taşdemir, H Erbak Yılmaz, L Savran, R Sütçü
BACKGROUND: The aim of the present study was to compare the effectiveness of combined Er:YAG and Nd:YAG laser therapy to that of scaling and root planing with hand instruments in non-surgical treatment of chronic periodontitis. MATERIAL AND METHODS: Twenty-five systemically healthy patients with chronic periodontitis were selected for this study. The quadrants were randomly allocated in a split-mouth design to either combined Er:YAG (160 mJ/pulse, 10 Hz) and Nd:YAG laser (100 mJ/pulse, 20 Hz) therapy (test group) or scaling and root planing alone (control group)...
March 23, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28332131/biostimulation-with-diode-laser-positively-regulates-cementoblast-functions-in-vitro
#7
Serife Buket Bozkurt, Erdogan E Hakki, Seyit Ali Kayis, Niyazi Dundar, Sema S Hakki
The aim of this study was to evaluate the effects of diode laser biostimulation on cementoblasts (OCCM.30). A total of 40 root plates were obtained from healthy third molar teeth and assigned to the following two groups: (1) control group and (2) laser-treated group. Root plates were placed into the cell culture inserts, and OCCM.30 cells were seeded onto root plates. Cells were irradiated with a low level of diode laser (power: 0.3 W in continuous wave, 60 s/cm(2)). Proliferation and mineralized tissue-associated gene's and BMP's messenger RNA (mRNA) expressions of cementoblasts were evaluated...
March 22, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28331333/the-risk-reduction-of-recurrent-periodontal-pathogens-of-local-application-minocycline-hcl-2-gel-used-as-an-adjunct-to-scaling-and-root-planing-for-chronic-periodontitis-treatment
#8
Y Soeroso, T Akase, H Sunarto, Y Kemal, R Salim, M Octavia, A Viandita, J Setiawan, B M Bachtiar
BACKGROUND: The aim of this study was to evaluate the clinical and microbiological effects of local application minocycline HCl 2% gel, used as an adjunct to scaling and root planing (SRP) for treatment of chronic periodontitis (CP). CP is an inflammation of periodontal tissue that is caused mainly by bacterial infection, where periodontal destruction such as loss of attachment and bone destruction occurred. METHODS: A total of 81 subjects with moderate to severe periodontitis whose baseline clinical attachment loss (CAL) was ≥4 mm were randomly assigned to receive SRP alone (control group, N=39) or SRP followed by four times of local application of minocycline HCl gel (Periocline) once a week (test group, N=42)...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28330815/antimicrobial-photodynamic-therapy-combined-to-periodontal-treatment-experimental-model
#9
Estéfani L Belinello-Souza, Letícia H Alvarenga, Cintia Lima-Leal, Patrícia Almeida, Carolina Guimarães Leite, Tairine R Lima, Jhosepher Previati-Oliveira, Lucas de Pretto, Anderson Zanardi de Freitas, Adjaci U Fernandes, Rodrigo L Marcos, Renato A Prates
BACKGROUND: Antimicrobial photodynamic therapy (aPDT) has been used as an adjuvant treatment for periodontitis. It combines a photosensitizer with a light source to induce reactive oxygen species and kill microbial cells. PpNetNI is a protoporphyrin derivative, and it has a chemical binding site at biofilm and great affinity to microbial cells. The aim of this study was to investigate the effects of aPDT as an adjuvant treatment for periodontitis. METHODS: Thirty healthy male rats Wistar (Rattus norvegicus) were used in this study (Approved by UNINOVE Ethical committee AN0029/2015)...
March 18, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28329793/oral-disease-and-3-year-incidence-of-frailty-in-mexican-older-adults
#10
Roberto Carlos Castrejón-Pérez, Aida Jiménez-Corona, Eduardo Bernabé, Antonio R Villa-Romero, Elise Arrivé, Jean-François Dartigues, Luis Miguel Gutiérrez-Robledo, S Aída Borges-Yáñez
Background: Poor oral health has been associated with some components of frailty. The objective of this study was to identify the association between clinical measures of oral health and the incidence of frailty among community-dwelling older adults aged 70 or older in Mexico City. Methods: A 3-year cohort study with a probabilistic representative sample of home-dwelling elders of one district of Mexico City was performed. Baseline and follow-up interview and oral clinical evaluations were carried out by standardized examiners in participants' homes...
October 25, 2016: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28328799/oral-microbiome-in-hiv-associated-periodontitis
#11
Marc Noguera-Julian, Yolanda Guillén, Jessica Peterson, David Reznik, Erica V Harris, Sandeep J Joseph, Javier Rivera, Sunil Kannanganat, Rama Amara, Minh Ly Nguyen, Simon Mutembo, Roger Paredes, Timothy D Read, Vincent C Marconi
HIV-associated periodontal diseases (PD) could serve as a source of chronic inflammation. Here, we sought to characterize the oral microbial signatures of HIV+ and HIV- individuals at different levels of PD severity.This cross-sectional study included both HIV+ and HIV- patients with varying degrees of PD. Two tooth, 2 cheek, and 1 saliva samples were obtained for microbiome analysis. Mothur/SILVADB were used to classify sequences. R/Bioconductor (Vegan, PhyloSeq, and DESeq2) was employed to assess overall microbiome structure differences and differential abundance of bacterial genera between groups...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328474/periodontally-accelerated-osteogenic-orthodontics
#12
John H Campbell
No abstract text is available yet for this article.
January 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28328326/interleukin-12-and-interleukin-23-blockade-in-leukocyte-adhesion-deficiency-type-1
#13
Niki M Moutsopoulos, Christa S Zerbe, Teresa Wild, Nicolas Dutzan, Laurie Brenchley, Giovanni DiPasquale, Gulbu Uzel, Karen C Axelrod, Andrea Lisco, Lucia D Notarangelo, George Hajishengallis, Luigi D Notarangelo, Steven M Holland
A patient with leukocyte adhesion deficiency type 1 (LAD1) had severe periodontitis and an intractable, deep, nonhealing sacral wound. We had previously found a dominant interleukin-23-interleukin-17 signature at inflamed sites in humans with LAD1 and in mouse models of the disorder. Blockade of this pathway in mouse models has resulted in resolution of the immunopathologic condition. We treated our patient with ustekinumab, an antibody that binds the p40 subunit of interleukin-23 and interleukin-12 and thereby blocks the activity of these cytokines, inhibiting interleukin-23-dependent production of interleukin-17...
March 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28328023/identification-of-microorganisms-in-biofluids-of-individuals-with-periodontitis-and-chronic-kidney-disease-using-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry
#14
Levy Anderson César Alves, Rafael Celestino Souza, Taciana Mara Couto da Silva, Andreia Watanabe, Meriellen Dias, Maria Anita Mendes, Ana Lídia Ciamponi
RATIONALE: Chronic kidney disease (CKD) and periodontitis (PD) are important health issues. There is a large variety of microorganisms related to the pathogenesis of periodontitis, and optimising the time and the cost of laboratory assays to detect these organisms is highly valuable in the medical field. METHODS: Bacteria were isolated from saliva and oral biofilm of 30 adolescents and young adults with definite medical and dental diagnosis of CKD and PD, respectively, and proteins were extracted for microorganism identification by means of the matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOFMS) technique...
May 30, 2016: Rapid Communications in Mass Spectrometry: RCM
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
#15
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/28327438/lipopolysaccharide-induced-suppression-of-periodontal-ligament-cell-proliferation-and-apoptosis-are-strengthened-under-high-glucose-conditions
#16
Jianxin Liu, Shulan Chen, Weiwei Ren, Jianing Liu, Pishan Yang, Zhenggang Chen, Qiang Zhang, Fang Yang
The present study aimed to investigate the effect of lipopolysaccharide (LPS) on the proliferation and apoptosis of human periodontal ligament (hPDL) cells under normal glucose or high glucose conditions. Primary cultures of hPDL cells were prepared from extracted premolars of patients. The cells were incubated with 0, 1, or 10μg/mL LPS under normal glucose (5.5mmol/L) or high glucose (25mmol/L) conditions for 24h or 48h. Cell proliferation was detected using a CCK-8 assay, and cell apoptosis was measured by Hoechst 33258 staining and Annexin V-fluorescein isothiocyanate (FITC)/propidium iodide (PI) double staining...
January 17, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28327165/effect-of-cigarette-smoking-on-subgingival-bacteria-in-healthy-subjects-and-patients-with-chronic-periodontitis
#17
Jumana A Karasneh, Rola A Al Habashneh, Nour Aldain S Marzouka, Martin H Thornhill
BACKGROUND: Cigarette smoking is known to increase the risk of periodontal destruction and developing chronic periodontitis (CP). It is also reported to affect the subgingival bacterial profile among CP patients. However, studies on the effect of smoking on the bacterial profile among healthy subjects are still limited. Therefore, the aim of this study was to investigate the impact of smoking on the subgingival bacterial profile in both healthy adults and CP patients. METHODS: Subgingival plaque samples were collected from CP patients (30 nonsmokers and 9 smokers) and healthy subjects (37 non-smokers and 18 smokers)...
March 21, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28327149/release-kinetics-and-mitogenic-capacity-of-collagen-barrier-membranes-supplemented-with-secretome-of-activated-platelets-the-in-vitro-response-of-fibroblasts-of-the-periodontal-ligament-and-the-gingiva
#18
Eva-Maria Mozgan, Michael Edelmayer, Klara Janjić, Manuela Pensch, Michael B Fischer, Andreas Moritz, Hermann Agis
BACKGROUND: Platelet preparations can stimulate the healing process and have mitogenic properties. We hypothesized that collagen barrier membranes (CBM), clinically used in guided bone regeneration and guided tissue regeneration, can serve as carriers for platelet secretome. METHODS: Secretome was generated from washed platelets and unwashed platelets (washed/unwashed PSEC) and lyophilized onto CBM. Overall appearance of CBM was evaluated by scanning electron microscopy...
March 21, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28327074/successful-treatment-of-mandibular-nonunion-with-cortical-allograft-cancellous-autograft-and-locking-titanium-miniplates-in-a-dog
#19
Christopher J Snyder, Jason A Bleedorn, Jason W Soukup
Discontinuities of the mandible can occur for a variety of reasons including primary pathology of bone, pathologic fracture secondary to periodontal disease, and segmental resection for the treatment of neoplasia. Surgical intervention is necessary in many cases to establish normal occlusion and normal mandibular function. Rigid stabilization and treatment of these defects can be challenging due to the limited availability of bone for fixation as well as limited soft tissue coverage. This case report describes successful treatment of a nonunion fracture using cortical allograft and locking titanium miniplates...
September 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28327066/guided-tissue-regeneration-in-four-teeth-using-a-liquid-polymer-membrane
#20
Jennifer B Alterman, John F Huff
Periodontal disease is one of the most common diseases diagnosed in dogs and cats. Guided tissue regeneration (GTR) is a treatment alternative to extraction of strategically important teeth. The barrier membrane used in the GTR procedure is of key importance. The purpose of this case series was to evaluate a liquid polymer gel as a membrane for GTR. The polymer gel ( N-methyl-2-pyrrolidone and poly [DL-lactide]) combined with 8.5% doxycycline hyclate was used in place of a traditional membrane in 4 teeth. The teeth were re-examined 6 months postoperatively for radiographic evaluation...
September 2016: Journal of Veterinary Dentistry
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