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Journal of Periodontal Research

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https://www.readbyqxmd.com/read/29974960/from-manual-periodontal-probing-to-digital-3-d-imaging-to-endoscopic-capillaroscopy-recent-advances-in-periodontal-disease-diagnosis
#1
REVIEW
M Elashiry, M M Meghil, R M Arce, C W Cutler
Deepened periodontal pockets exert a significant pathological burden on the host and its immune system, particularly in a patient with generalized moderate to severe periodontitis. This burden is extensive and longitudinal, occurring over decades of disease development. Considerable diagnostic and prognostic successes in this regard have come from efforts to measure the depths of the pockets and their contents, including level of inflammatory mediators, cellular exudates and microbes; however, the current standard of care for measuring these pockets, periodontal probing, is an analog technology in a digital age...
July 4, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29974476/matrix-metalloproteinase-7-in-periodontitis-with-type-2-diabetes-mellitus
#2
F Zeidán-Chuliá, D Yilmaz, L Häkkinen, E Könönen, B-H Neves de Oliveira, G Güncü, V-J Uitto, F Caglayan, U K Gürsoy
BACKGROUND AND OBJECTIVE: Elevated levels of matrix metalloproteinase-7 (MMP7) have been observed in serum samples of subjects with type 2 diabetes mellitus (T2DM) and in gingival tissues of subjects with periodontitis. The aim of the present study was to collect in vivo and in silico evidence on the role of MMP7 in the interplay between T2DM and generalized periodontitis (GP). MATERIAL AND METHODS: The extent of MMP7 expression and localization were immunohistochemically analyzed in gingival tissues of patients with GP with T2DM (T2DM/GP, n = 11), systemically healthy patients with GP (n = 7), and systemically and periodontally healthy controls (n = 11)...
July 4, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29974463/analysis-of-metabolic-profiles-of-generalized-aggressive-periodontitis
#3
H W Chen, W Zhou, Y Liao, S C Hu, T L Chen, Z C Song
BACKGROUND AND OBJECTIVE: The specific pathogenesis of generalized aggressive periodontitis (GAgP) has not yet been clarified, and few studies have focused on the association between GAgP and metabolomics. To elucidate the roles of metabolic profiles in the status of GAgP, this study aimed to identify the differential metabolic profiles between patients with GAgP and healthy controls using an untargeted metabolomic profiling method. MATERIAL AND METHODS: Serum and gingival crevicular fluid samples were collected from healthy controls (n = 20) and patients with GAgP (n = 20) in this cross-sectional study...
July 4, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29961988/prevalence-extent-and-severity-of-peri-implant-diseases-a-cross-sectional-study-based-on-a-university-setting-in-brazil
#4
F Matarazzo, R Sabóia-Gomes, B E S Alves, R P de Oliveira, M G Araújo
BACKGROUND AND OBJECTIVE: Peri-implant diseases are a growing concern among clinicians. Epidemiological studies following recently recommended case definitions for peri-implant diseases are emerging worldwide. Although a small number of studies on the prevalence of peri-implant diseases has been conducted in Brazil, no information on the extent and severity of the condition has been made available so far. The objective of this study was to estimate the prevalence, extent and severity of peri-implant diseases in patients treated in a university setting in Brazil...
July 1, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29947052/consanguinity-increases-the-risk-for-aggressive-periodontitis
#5
M Çalışır
BACKGROUND AND OBJECTIVE: Genetic predisposition is an important factor for developing aggressive periodontitis (AgP); however, previous studies only focused on individual families where consanguineous marriages have not been considered. Thus, there is a debate in the understanding of the genetic features of this disease. The present study aims to compare the genetic features of AgP in individuals with and without history of consanguineous marriages. MATERIAL AND METHODS: Thirty-three probands from 16 pedigrees with history of consanguineous marriage and 17 pedigrees without history of consanguineous marriage were analyzed in terms of heritability of AgP...
June 26, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29920670/urokinase-plasminogen-activator-protects-periodontal-ligament-fibroblast-from-oxidative-induced-apoptosis-and-dna-damage
#6
M S Ahmad Akhoundi, A Rokn, R Bagheri, N Momeni, M Hodjat
BACKGROUND AND OBJECTIVE: Urokinase-plasminogen activator (uPA) is a serine protease expressed at high basal level in normal gingival cervical fluid. Despite its known pathologic role in tissue proteolysis in periodontitis, little is known concerning uPA physiological function in oral tissue. Recent evidence in cancer cells has implicated the uPA system in DNA repair and anti-apoptotic pathways. This study is aimed to evaluate the protective function of urokinase against oxidative DNA damage in periodontal ligament (PDL) fibroblast, and to propose a new biological role for uPA in oral cavity...
June 19, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29900548/spheroid-culture-enhances-osteogenic-potential-of-periodontal-ligament-mesenchymal-stem-cells
#7
Y Moritani, M Usui, K Sano, K Nakazawa, T Hanatani, M Nakatomi, T Iwata, T Sato, W Ariyoshi, T Nishihara, K Nakashima
OBJECTIVE AND BACKGROUND: Human periodontal ligament mesenchymal stem cells (hPDLMSCs) are reported to be responsible for homeostasis and regeneration of periodontal tissue. Although hPDLMSCs are commonly cultured in monolayers, monolayer cultures have been reported as inferior to 3-dimensional cultures such as spheroids, which are spherical clusters of cells formed by self-assembly. The aim of this study was to examine the osteogenic phenotype of spheroids of hPDLMSCs, compared with monolayer cultures of hPDLMSC, in vitro and in vivo...
June 14, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29900539/interaction-between-the-wnt-%C3%AE-catenin-signaling-pathway-and-the-emmprin-mmp-2-9-route-in-periodontitis
#8
X Liu, Z Zhang, S Pan, S Shang, C Li
BACKGROUND AND OBJECTIVES: In periodontitis, the Wnt/β-catenin signaling pathway is related to the metabolism of the alveolar bone; further, extracellular matrix metalloproteinase inducer (EMMPRIN) expression is correlated with matrix metalloproteinases (MMPs) expression and inflammation severity. The aim of this study was to perform a preliminary investigation of the interaction between the Wnt/β-catenin signaling pathway and the EMMPRIN/MMPs route in periodontitis. MATERIAL AND METHODS: Chronic periodontitis and healthy gingival tissues were obtained to detect the expression of Wnt3a, β-catenin, EMMPRIN and MMP-2, 9 by using immunohistochemical analysis...
June 14, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29900537/melatonin-expression-in-periodontitis-and-obesity-an-experimental-in-vivo-investigation
#9
L Virto, H J Haugen, P Fernández-Mateos, P Cano, J González, V Jiménez-Ortega, A I Esquifino, M Sanz
BACKGROUND AND OBJECTIVE: Melatonin deficiency has been associated with obesity and systemic inflammation. This study aims to evaluate whether melatonin could interfere with the mechanisms of co-morbidity linking obesity and periodontitis. MATERIAL AND METHODS: Twenty-eight male Wistar rats were randomly divided in 4 groups: control group (Con) (fed with standard diet); high-fat diet group (HFD) (fed with a diet containing 35.2% fat); Con group with induced periodontitis (Con-Perio) and HFD group with induced periodontitis (HFD-Perio)...
June 14, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29900535/high-throughput-proteomic-analysis-of-candidate-biomarker-changes-in-gingival-crevicular-fluid-after-treatment-of-chronic-periodontitis
#10
Y A Guzman, D Sakellari, K Papadimitriou, C A Floudas
BACKGROUND AND OBJECTIVE: Untargeted, high-throughput proteomics methodologies have great potential to aid in identifying biomarkers for the diagnosis of periodontal disease. The application of such methods to the discovery of candidate biomarkers for the resolution of periodontal inflammation after periodontal therapy has been investigated. MATERIAL AND METHODS: Gingival crevicular fluid samples were collected from 10 patients diagnosed with chronic periodontitis at baseline and 1, 5, 9 and 13 weeks after completion of mechanical periodontal treatment...
June 14, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29882313/epidemiology-and-risk-factors-of-peri-implantitis-a-systematic-review
#11
REVIEW
H Dreyer, J Grischke, C Tiede, J Eberhard, A Schweitzer, S E Toikkanen, S Glöckner, G Krause, M Stiesch
OBJECTIVE: The purpose of this systematic review and meta-analysis was to assess the prevalence, incidence and risk factors of peri-implantitis in the current literature. MATERIAL AND METHODS: An electronic search was performed to identify publications from January 1980 until March 2016 on 9 databases. The prevalence and incidence of peri-implantitis were assessed in different subgroups of patients and the prevalences were adjusted for sample size (SSA) of studies...
June 7, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29882288/transcription-factor-dec1-is-required-for-maximal-experimentally-induced-periodontal-inflammation
#12
F Zhang, M Suzuki, I S Kim, R Kobayashi, N Hamada, F Sato, U K Bhawal
BACKGROUND AND OBJECTIVES: Disruption of transcriptional regulation is a confounding factor associated with a wide range of human inflammatory diseases. To investigate mechanistic links between transcription factor DEC1 and pathways underlying inflammation, wild-type and DEC1 knockout (KO) C57BL/6 mice were treated with Porphyromonas gingivalis (or carboxymethyl cellulose as a control) to induce periodontal inflammation. It provoked an inflammatory response within the oral environment, which showed robust variation in alveolar bone resorption and expression of inflammatory cytokines...
June 7, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29858878/serum-vitamin-d-levels-and-chronic-periodontitis-in-adult-caucasian-population-a-systematic-review
#13
REVIEW
M Perić, E Cavalier, S Toma, J F Lasserre
The aim of this systematic review was to explore the relationship between serum vitamin D levels and periodontal disease. The review followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The focused PICO question was: Are serum vitamin D levels (I) associated with gingivitis or periodontitis (C) in healthy humans (P)? PubMed (Medline), Embase, Science Direct, the Cochrane library, and grey literature were searched up to 31 July 2017. Two reviewers independently selected studies and extracted data...
June 2, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29858876/locally-delivered-metformin-as-adjunct-to-scaling-and-root-planing-in-the-treatment-of-periodontal-defects-a-systematic-review-and-meta-analysis
#14
REVIEW
Z Akram, F Vohra, F Javed
This study aimed to evaluate the efficacy of metformin as an adjunct to scaling and root planing (SRP) in the treatment of chronic periodontitis. Electronic searches were conducted in databases (MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials and Cochrane Oral Health Group Trials Register databases) up to August 2017. Randomized clinical trials with data in comparison between adjunctive locally delivered metformin use to SRP and placebo in each group and a follow-up period of at least 6 months, were included...
June 2, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29858875/l-prf-for-increasing-the-width-of-keratinized-mucosa-around-implants-a-split-mouth-randomized-controlled-pilot-clinical-trial
#15
A Temmerman, G J Cleeren, A B Castro, W Teughels, M Quirynen
BACKGROUND: This study aims to evaluate the use of the leukocyte- and platelet-rich fibrin (L-PRF) membranes in increasing the width of the keratinized mucosa (KM) around implants. MATERIAL AND METHODS: Eight patients in need for bilateral widening of the KM around implants in the lower jaw were recruited for a spit-mouth randomized controlled trial. At the control site, a free gingival graft (FGG) was used, whereas at the other side (test), L-PRF membranes were applied...
June 2, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29851077/soluble-epoxide-hydrolase-inhibitor-promotes-immunomodulation-to-inhibit-bone-resorption
#16
M H Napimoga, E P Rocha, C A Trindade-da-Silva, A P D Demasi, E F Martinez, C G Macedo, H B Abdalla, A Bettaieb, F G Haj, J T Clemente-Napimoga, B Inceoglu, B D Hammock
BACKGROUND AND OBJECTIVE: Soluble epoxide hydrolase (sEH) is an enzyme in the arachidonate cascade which converts epoxy fatty acids (EpFAs), such as epoxyeicosatrienoic acids (EETs) produced by cytochrome P450 enzymes, to dihydroxy-eicosatrienoic acids. In the last 20 years with the development of inhibitors to sEH it has been possible to increase the levels of EETs and other EpFAs in in vivo models. Recently, studies have shown that EETs play a key role in blocking inflammation in a bone resorption process, but the mechanism is not clear...
May 31, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29851072/microrna-543-functions-as-an-osteogenesis-promoter-in-human-periodontal-ligament-derived-stem-cells-by-inhibiting-transducer-of-erbb2-2
#17
Y Ge, J Li, Y Hao, Y Hu, D Chen, B Wu, F Fang
BACKGROUND AND OBJECTIVE: Previous research has indicated that altered expression of microRNAs (miRNAs) is in connection with osteogenesis of human periodontal ligament-derived stem cells (hPDLSCs). We investigated the mechanisms by which miR-543 promotes osteogenic differentiation of hPDLSCs. MATERIAL AND METHODS: First, the expression of miR-543 in hPDLSCs cultured with or without an osteogenic inductive cocktail was explored. Then, the function of miR-543 during osteogenesis of hPDLSCs was investigated by overexpressing and inhibiting miR-543...
May 31, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29851069/anti-inflammatory-character-of-phelligridin-d-modulates-periodontal-regeneration-in-lipopolysaccharide-induced-human-periodontal-ligament-cells
#18
J-E Kim, J-S Takanche, B-S Yun, H-K Yi
BACKGROUND AND OBJECTIVE: Phelligridin D is a hispidin analogue from the mushroom Phellinus baumii that is widely used as a food source in East Asia. This study tested phelligridin D for the anti-inflammatory effect and mechanism in lipopolysaccharide (LPS)-induced human periodontal ligament cells (HPDLCs). The objective of this study was to clarify whether the anti-inflammatory function of phelligridin D affects periodontal regeneration for supporting the HPDLCs of teeth. MATERIAL AND METHODS: Primary HPDLCs were isolated from healthy teeth and then cultured...
May 31, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29851068/the-effects-of-biodegradable-poly-lactic-co-glycolic-acid-based-microspheres-loaded-with-quercetin-on-stemness-viability-and-osteogenic-differentiation-potential-of-stem-cell-spheroids
#19
H Lee, T T Nguyen, M Kim, J-H Jeong, J-B Park
OBJECTIVE: Quercetin has been reported to exert many beneficial effects on the protection against various diseases, such as diabetes, cancer, and inflammation. The aim of this study is to evaluate the potential osteogenic differentiation ability of mesenchymal stem cells in the presence of quercetin. MATERIAL AND METHODS: Quercetin-loaded poly(lactic-co-glycolic acid) microspheres were prepared using an electrospraying technique. Characterization of the microspheres was evaluated with a scanning electron microscope and release profile...
May 31, 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29845622/osseointegration-in-osteoporotic-like-condition-a-systematic-review-of-preclinical-studies
#20
REVIEW
X Dereka, E Calciolari, N Donos, N Mardas
Osteoporosis is one of the most common skeletal disorders affecting a significant percentage of people worldwide. Research data suggested that systemic diseases such as osteoporosis could act as risk factors for osseointegration, jeopardizing the healing process and thus the predictability of dental implant success on compromised patients. It is well accepted that preclinical studies in animal models reproducing the osteoporotic condition are one of the most important stages in the research of new biomaterials and therapeutic modalities...
May 30, 2018: Journal of Periodontal Research
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