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https://www.readbyqxmd.com/read/28231622/gingival-crevicular-fluid-levels-of-monocyte-chemoattractant-protein-mcp-1-in-patients-with-aggressive-periodontitis
#1
Sadiye Gunpinar, Nilgun Ozlem Alptekin, Niyazi Dundar
OBJECTIVES: The purpose of this study was to investigate the gingival crevicular fluid (GCF) levels of Monocyte Chemoattractant Protein (MCP)-1 in aggressive periodontitis (AgP) and whether GCF MCP-1 levels differ among localized (L) AgP and generalized (G) AgP. MATERIAL AND METHODS: A total of 160 subjects including, 80 AgP and 80 age and gender matched periodontally healthy (H) controls were recruited in this cross-sectional study (NCT02927704). GCF samples were collected from 160 patients including 50 LAgP, 30 GAgP and 80 H...
February 23, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28230025/correlation-between-periodontal-disease-and-oral-cancer-risk-a-meta-analysis
#2
Lili Ye, Yinhua Jiang, Weidong Liu, HaiBiao Tao
OBJECTIVE: The purpose of this study is to investigate the correlation between periodontal disease and oral cancer risk by meta-analysis. METHODS: We searched the electronic databases of PubMed and Wanfang to include the articles related to periodontal disease and oral cancer risk. The association between periodontal disease and oral cancer risk was assessed by odds ratio (OR) and its corresponding 95% confidence interval (95% CI). The publication bias was evaluated by Begg's funnel plot and Egger's line regression test...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28229025/effect-of-interleukin-il-35-on-il-17-expression-and-production-by-human-cd4-%C3%A2-t-cells
#3
Kosuke Okada, Takeki Fujimura, Takeshi Kikuchi, Makoto Aino, Yosuke Kamiya, Ario Izawa, Yuki Iwamura, Hisashi Goto, Iichiro Okabe, Eriko Miyake, Yoshiaki Hasegawa, Makio Mogi, Akio Mitani
BACKGROUND: Interleukin (IL)-17 produced by mainly T helper 17 (Th17) cells may play an important destructive role in chronic periodontitis (CP). Thus, anti-inflammatory cytokines, such as IL-35, might have a beneficial effect in periodontitis by inhibiting differentiation of Th17 cells. Th17 differentiation is regulated by the retinoic acid receptor-related orphan receptor (ROR) α (encoded by RORA) and RORγt (encoded by RORC). However, the role of IL-35 in periodontitis is not clear and the effect of IL-35 on the function of Th17 cells is still incompletely understood...
2017: PeerJ
https://www.readbyqxmd.com/read/28227044/dental-plaque-assessment-lifelogging-system-using-commercial-camera-for-oral-healthcare
#4
Mai Kasai, Yuka Iijima, Hiroshi Takemura, Hiroshi Mizoguchi, Tomoko Ohshima, Naho Satomi, Mai Kasai, Yuka Iijima, Hiroshi Takemura, Hiroshi Mizoguchi, Tomoko Ohshima, Naho Satomi, Tomoko Ohshima, Naho Satomi, Hiroshi Takemura, Mai Kasai, Hiroshi Mizoguchi, Yuka Iijima
We present a system for estimating the dental plaque adhesion area using a commercial camera image for oral healthcare via management of the intraoral environment. In recent years, several studies have reported on the relationship between a general disease and a periodontal disease. Such studies mention that normalization of the intraoral environment by tooth brushing is the most important treatment in preventive dentistry. However, evaluation of individual tooth brushing skill is difficult. Some devices for automatically measuring the quantity of dental plaque have already been proposed for the teaching tool of tooth brushing...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226676/quantitative-evaluation-of-alveolar-bone-resorption-on-dental-panoramic-radiographs-by-standardized-dentition-image-transformation-and-probability-estimation
#5
Chisako Muramtsu, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Tatsumasa Fukui, Akitoshi Katsumata, Hiroshi Fujita, Chisako Muramtsu, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Tatsumasa Fukui, Akitoshi Katsumata, Hiroshi Fujita, Akitoshi Katsumata, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Chisako Muramtsu, Tatsumasa Fukui, Hiroshi Fujita
Alveolar bone resorption, which can be observed on dental panoramic radiographs (DPRs), is one of the most important signs of the progression of periodontal disease. However, quantitative and consistent evaluation of alveolar bone resorption is labor intense, because of a large number of DPR examinations performed each year. In our previous study, we developed an automated scheme for detection of three lines, corresponding to an occlusion line, an alveolar line and a root apex line, to measure the alveolar bone ratio (ABR), which may be useful to dentists in early detection of periodontal disease...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226392/bayesian-semiparametric-variable-selection-with-applications-to-periodontal-data
#6
Bo Cai, Dipankar Bandyopadhyay
A normality assumption is typically adopted for the random effects in a clustered or longitudinal data analysis using a linear mixed model. However, such an assumption is not always realistic, and it may lead to potential biases of the estimates, especially when variable selection is taken into account. Furthermore, flexibility of nonparametric assumptions (e.g., Dirichlet process) on these random effects may potentially cause centering problems, leading to difficulty of interpretation of fixed effects and variable selection...
February 22, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28220901/distinct-signatures-of-dental-plaque-metabolic-byproducts-dictated-by-periodontal-inflammatory-status
#7
Akito Sakanaka, Masae Kuboniwa, Ei Hashino, Takeshi Bamba, Eiichiro Fukusaki, Atsuo Amano
Onset of chronic periodontitis is associated with an aberrant polymicrobial community, termed dysbiosis. Findings regarding its etiology obtained using high-throughput sequencing technique suggested that dysbiosis holds a conserved metabolic signature as an emergent property. The purpose of this study was to identify robust biomarkers for periodontal inflammation severity. Furthermore, we investigated disease-associated metabolic signatures of periodontal microbiota using a salivary metabolomics approach. Whole saliva samples were obtained from adult subjects before and after removal of supragingival plaque (debridement)...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219071/is-periodontal-disease-associated-with-alzheimer-s-disease-a-systematic-review-with-meta-analysis
#8
Yago Leira, Clara Domínguez, Juan Seoane, Juan Seoane-Romero, Juan Manuel Pías-Peleteiro, Bahi Takkouche, Juan Blanco, José Manuel Aldrey
BACKGROUND: In the last decade, several observational studies have suggested that there exists an association between periodontal disease (PD) and Alzheimer's disease (AD). The aim of this systematic review was to investigate whether or not this link exists. SUMMARY: The Preferred Reporting Items for Systematic Reviews and Meta-Analysis guideline for systematic review was used and registered at PROSPERO (CRD42016035377). The search strategy included using electronic databases and by hand searching articles published up to January 2016...
February 21, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28218959/survival-and-periapical-health-after-root-canal-treatment-with-carrier-based-root-fillings-5-year-retrospective-assessment
#9
C Pirani, S Friedman, M R Gatto, F Iacono, V Tinarelli, M G Gandolfi, C Prati
AIM: This retrospective study explored survival and periapical healing outcomes in root filled teeth with Thermafil obturators. METHODOLOGY: Root canals of 213 teeth (94 subjects, mean age 48±13 years), instrumented with a step-down technique, irrigated with 5% NaOCl and 10% EDTA and filled with Thermafil and AH-Plus sealer, were involved in a Recall programme. Teeth were retrospectively reexamined after 5±1 years in a controlled environment. Clinical and radiographic data that were collected included: preoperative Periapical Index (PAI) score and signs/symptoms, treatment type, root filling length and presence/absence of voids, restoration type, follow-up PAI score and signs/symptoms...
February 20, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28218665/matrix-metalloproteinases-as-regulators-of-periodontal-inflammation
#10
REVIEW
Cavalla Franco, Hernández-Ríos Patricia, Sorsa Timo, Biguetti Claudia, Hernández Marcela
Periodontitis are infectious diseases characterized by immune-mediated destruction of periodontal supporting tissues and tooth loss. Matrix metalloproteinases (MMPs) are key proteases involved in destructive periodontal diseases. The study and interest in MMP has been fuelled by emerging evidence demonstrating the broad spectrum of molecules that can be cleaved by them and the myriad of biological processes that they can potentially regulate. The huge complexity of MMP functions within the 'protease web' is crucial for many physiologic and pathologic processes, including immunity, inflammation, bone resorption, and wound healing...
February 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28218025/dental-implants-and-incisor-bridge-placement-in-a-dog
#11
Rocco E Mele, Anthony Caiafa, Gregori M Kurtzman
Veterinary dentistry has tended to follow the trends and advancements in the human dental field. As for any procedure performed on a patient, whether human or animal, an informed decision is based on the available evidence regarding treatment options. This is certainly true for the more involved treatments in veterinary dentistry which can include the disciplines of endodontics and dental implantology. A number of published case reports have been accepted by the specialty that endodontic therapy is indeed a predictable and a valuable service that can be offered to pet owners...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28216438/porphyromonas-gingivalis-lipopolysaccharide-induces-pro-inflammatory-adipokine-secretion-and-oxidative-stress-by-regulating-toll-like-receptor-mediated-signaling-pathways-and-redox-enzymes-in-adipocytes
#12
Fanny Le Sage, Olivier Meilhac, Marie-Paule Gonthier
Gut microbiota LPS contributes to obesity-related chronic inflammation and oxidative stress, promoting insulin resistance. Periodontal disease also represents a risk factor for type 2 diabetes and is associated with obesity. This study compared the effect of LPS from P. gingivalis periodontopathogen and E. coli enterobacteria on inflammatory adipokine secretion and redox status of 3T3-L1 adipocytes. We found that both LPS activated TLR2- and TLR4-mediated signaling pathways involving MyD88 adaptor and NFκB transcription factor, leading to an increased secretion of leptin, resistin, IL-6 and MCP-1...
February 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28213764/presence-of-root-canal-treatment-has-no-influence-on-periodontal-bone-loss
#13
Fabiola-Regina Rodriguez, Nadine Paganoni, Peter Eickholz, Roland Weiger, Clemens Walter
AIM: The aim of this study was to compare the interproximal bone level at root canal-filled teeth and non-root canal-filled teeth. MATERIALS AND METHODS: The records of patients from the department were consecutively screened from January 2009 to October 2011. The distance between the coronal reference point to the alveolar bone crest (AC) was assessed at the mesial and distal aspects of root canal-filled teeth (RCF+) and their contralateral non-root canal-filled teeth (RCF-) on periapical radiographs...
February 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28210435/role-of-thr399ile-and-asp299gly-polymorphisms-of-toll-like-receptor-4-gene-in-acute-dental-abscess
#14
Ebrahim Miri-Moghaddam, Narges Farhad-Mollashahi, Elnaz Baghaee, Ali Bazi, Yasaman Garme
BACKGROUND: Apical Periodontitis (AP) is an inflammatory disease that affects the tissues surrounding the root end of a tooth. The disease which is caused by endodontic infections presents in different clinical ways including development of an acute abscess. Recent studies have provided information suggesting role of a multitude of factors in pathogenesis of acute apical abscess (AAA). In this case-control study, our goal was to evaluate the frequency and potential role of two common polymorphisms of toll like receptor-4 (TLR-4) gene; Thr399Ile (1196 C>T) and Asp299Gly (+896 A>G), in 50 patients with AAA as cases and 50 patients with asymptomatic apical periodontitis (AAP) as controls...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28209360/levels-of-high-mobility-group-box-1-in-gingival-crevicular-fluid-in-nonsmokers-and-smokers-with-chronic-periodontitis
#15
Yi-Chun Lin, Ching-Yi Wu, Lien-Yu Chang, Ching-Chu Chen, Hsuan-Hung Chen, Yu-Lin Lai, Shan-Ling Hung
BACKGROUND/PURPOSE: High-mobility group box-1 (HMGB1), a proinflammatory cytokine, plays a role in inflammatory disorders. Smoking is a well-established risk factor for periodontal disease. The aim of this study was to compare the levels of HMGB1 in the gingival crevicular fluid from periodontally healthy nonsmokers, chronic periodontitis nonsmokers, and chronic periodontitis smokers. Furthermore, the relationship between levels of HMGB1 and periodontal parameters was examined. METHODS: Periodontal parameters of 17 nonsmokers with chronic periodontitis, nine smokers with chronic periodontitis, and nine periodontally healthy nonsmokers were examined...
February 13, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28209019/efficacy-of-specific-plant-products-on-microorganisms-causing-dental-caries
#16
M Rajini Kanth, A Ravi Prakash, G Sreenath, Vikram Simha Reddy, S Huldah
INTRODUCTION: Dental caries and periodontal diseases are the most common oral diseases seen globally, both in developed and developing countries. Oral microorganisms that is gram positive and gram negative bacteria are known to be involved in causation of these diseases. Nowadays commercially available dentrifices and mouth rinses are known to contain ingredients that can alter the oral microbial flora and have undesirable side effects such as vomiting, diarrhoea, disarrangement of oral, intestinal flora and tooth staining...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28209006/a-comparative-evaluation-of-serum-magnesium-in-diabetes-mellitus-type-2-patients-with-and-without-periodontitis-a-clinico-biochemical-study
#17
Akshatha Shetty, Rahul Bhandary, Biju Thomas, Amitha Ramesh
INTRODUCTION: Magnesium is an essential cation playing a crucial role in many physiological functions and its imbalance is associated with greater number of pathological situations. Oxidative stress is usually increased due to decreased essential nutrients. Hence, any imbalance of essential nutrients like serum magnesium can significantly play a role in the pathobiology of periodontitis in the presence of diabetes, as diabetes and chronic periodontitis are two chronic diseases that have been biologically linked...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208999/experience-from-classroom-teaching-to-clinical-practice-regarding-shortened-dental-arch-sda-concept-among-dentists-a-questionnaire-study
#18
Ritu Gupta, Ravneet Malhi, Basavaraj Patthi, Ashish Singla, Chandrasheker Janakiram, Venisha Pandita, Monika Prasad, Jishnu Krishna Kumar
INTRODUCTION: Periodontal disease and dental caries are the common oral conditions which cause loss of teeth, mostly molars. This further leads to Shortening of Dental Arch and Shortened Dental Arch (SDA) concept provides the overall requirements of functional dentition at reduced cost without compromising the health. AIM: The aim of the present study was to assess the Knowledge, Attitude and Practices (KAP) towards SDA concept among dentists of Ghaziabad city (Uttar Pradesh, India)...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28207944/relationship-between-renal-function-and-periodontal-disease-in-community-dwelling-elderly-women-with-different-genotypes
#19
Akihiro Yoshihara, Noriko Sugita, Masanori Iwasaki, Yanming Wang, Hideo Miyazaki, Hiromasa Yoshie, Kazutoshi Nakamura
OBJECTIVES: The aim of this study was to examine the association between periodontal disease and renal function in elderly women with different genotypes. MATERIAL AND METHODS: A total of 332 postmenopausal never-smoking women were analyzed. Poor renal function was defined as serum cystatin C >0.91 mg/L. Periodontal disease markers such as periodontal inflamed surface area (PISA) were evaluated. Selected variables, including PISA quartile, body mass index (BMI), HbA1C and age in Arg allele carriers and non-carriers based on the beta-3 adrenergic receptor, or between Ala allele carriers and non-carriers based on peroxisome proliferator-activated receptor gamma, were analyzed using multiple logistic regression analysis...
February 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28207941/mfg-e8-inhibits-periodontitis-in-non-human-primates-and-its-gingival-crevicular-fluid-levels-can-differentiate-periodontal-health-from-disease-in-humans
#20
Tetsuhiro Kajikawa, Fatimah Meshikhes, Tomoki Maekawa, Evlambia Hajishengallis, Kavita B Hosur, Toshiharu Abe, Kevin Moss, Triantafyllos Chavakis, George Hajishengallis
AIM: We have previously shown that the secreted glycoprotein MFG-E8 has anti-inflammatory and anti-osteoclastogenic properties. Our objective was to investigate the potential of MFG-E8 as a diagnostic or therapeutic agent in periodontitis. MATERIALS AND METHODS: Periodontitis was induced in non-human primates (NHPs) by placing ligatures around posterior teeth on both halves of the mandible for a split-mouth design: one side was treated with MFG-E8-Fc and the other with Fc control...
February 16, 2017: Journal of Clinical Periodontology
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