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European Journal of Oral Sciences

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https://www.readbyqxmd.com/read/28805275/participation-of-extracellular-signal-regulated-kinases-1-2-in-osteoblast-and-adipocyte-differentiation-of-mesenchymal-stem-cells-grown-on-titanium-surfaces
#1
Heitor F Silva, Rodrigo P F Abuna, Helena B Lopes, Marcelo S Francischini, Paulo T de Oliveira, Adalberto L Rosa, Marcio M Beloti
Osteoblasts and adipocytes coexist in the implantation site and affect the process of titanium (Ti) osseointegration. As extracellular signal-regulated kinases 1/2 (ERK1/2) are involved in osteogenesis and adipogenesis, the aim of our study was to investigate if the effects of Ti surface topography on osteoblast and adipocyte differentiation are modulated by ERK1/2. The experiments were conducted based on the effect of the ERK1/2 inhibitor, PD98059, on mesenchymal stem cells (MSCs) grown under osteogenic and adipogenic conditions on Ti with nanotopography (Ti-Nano) or on machined Ti (Ti-Machined)...
August 14, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28799666/effect-of-resveratrol-on-c-fos-expression-of-rat-trigeminal-spinal-nucleus-caudalis-and-c1-dorsal-horn-neurons-following-mustard-oil-induced-acute-inflammation
#2
Yasuhiro Matsumoto, Kyouhei Komatsu, Yoshihito Shimazu, Shiori Takehana, Yumiko Syouji, Ayumu Kobayashi, Mamoru Takeda
The dietary constituent, resveratrol, was recently identified as a transient receptor potential ankyrin 1 (TRPA1) antagonist, voltage-dependent sodium ion (Na(+) ) channel, and cyclooxygenase-2 (COX-2) inhibitor. The aim of the present study was to investigate whether pretreatment with resveratrol attenuates acute inflammation-induced sensitization of nociceptive processing in rat spinal trigeminal nucleus caudalis (SpVc) and upper cervical (C1) dorsal horn neurons, via c-fos immunoreactivity. Mustard oil (MO), a TRPA1 channel agonist, was injected into the whisker pads of rats to induce inflammation...
August 11, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28786155/orthodontically-induced-osteocyte-apoptosis-under-different-force-magnitudes-in-rats-an-immunohistochemical-study
#3
Hassan E Kassem, Iman M Talaat, Afaf El-Sawa, Hanan Ismail, Abbas Zaher
We investigated the effect of different force magnitudes on osteocyte apoptosis in a model of orthodontic tooth movement. Forty-nine male Sprague Dawley rats (7-9 wk of age) were divided into light- and heavy-force groups (n = 21 each group) and a control group (n = 7). A coil spring delivered pressure (either 10-15 g or 20-25 g) to the left maxillary first molar. The rats were sacrificed 1, 3, or 5 d after placement of the appliance. Sections of the maxillary first molars were immunostained for caspase-3...
August 8, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28782855/effect-of-maleic-acid-on-the-bond-strength-of-fibre-posts-to-root-dentine
#4
Fan Fan, Muhammad Ibrahim, Panpan Dai, Yixin Mao, Bing He, Gang Wu, Jianfeng Ma, Shengbin Huang
The aim of this study was to evaluate the effect of maleic acid (MA) on both the bond strength of fibre post to root dentine and smear layer removal after post space preparation. Sixty, single-canal premolars were endodontically treated and randomly assigned to four groups: group 1 [0.9% saline solution (control]); group 2 [2.5% sodium hypochlorite (NaOCl)]; group 3 [17% ethylenediaminetetraacetic acid (EDTA) followed by 2.5% NaOCl]; and group 4 (7% MA followed by 2.5% NaOCl). Self-adhesive resin cement was used to test the adhesion of a glass-fibre post to the root dentine through a micropush-out test...
August 7, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28776753/assessment-of-the-involvement-of-the-macrophage-migration-inhibitory-factor-glucocorticoid-regulatory-dyad-in-the-expression-of-matrix-metalloproteinase-2-during-periodontitis
#5
Josefine Hirschfeld, Mohammed Howait, Alexandru Movila, Marijo Parčina, Isabelle Bekeredjian-Ding, James Deschner, Søren Jepsen, Toshihisa Kawai
Macrophage migration inhibitory factor (MIF) is a proinflammatory cytokine and counter-regulator of endogenous glucocorticoids (GCs). It is implicated in acute and chronic inflammatory diseases. This study investigated the role of the MIF-GC regulatory dyad in the expression and release of matrix metalloproteinase-2 (MMP-2) during periodontitis, in vivo and in vitro. In a Mif-knockout (KO) mouse model of ligature-induced periodontitis, gingival tissues and blood were collected and analysed for levels of interleukin-6 (IL-6), MIF, MMP-2, and corticosterone...
August 4, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28749015/influence-of-application-method-on-surface-free-energy-and-bond-strength-of-universal-adhesive-systems-to-enamel
#6
Arisa Imai, Toshiki Takamizawa, Keiichi Sai, Akimasa Tsujimoto, Kie Nojiri, Hajime Endo, Wayne W Barkmeier, Mark A Latta, Masashi Miyazaki
The aim of the present study was to determine the influence of different adhesive application methods and etching modes on enamel bond effectiveness of universal adhesives using shear bond strength (SBS) testing and surface free-energy (SFE) measurements. The adhesives Scotchbond Universal, All-Bond Universal, Adhese Universal, and G-Premio Bond were used. Prepared bovine enamel specimens were divided into four groups, based on type of adhesive, and subjected to the following surface treatments: (i) total-etch mode with active application; (ii) total-etch mode with inactive application; (iii) self-etch mode with active application; and (iv) self-etch mode with inactive application...
July 27, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28653438/antibiotic-prescribing-habits-among-norwegian-dentists-a-survey-over-25%C3%A2-years-1990-2015
#7
Hans R Preus, Karen W Fredriksen, Andrea E Vogsland, Leiv Sandvik, Jostein I Grytten
Bacterial antibiotic resistance is a steadily growing global problem, which today is compared with issues such as global warming, ozone depletion, and extinction of species. Consequently, calls come from global, Pan-European, and national authorities to gain insight into, limit, and stringently qualify the use of antibiotics in human and veterinary medicine, as well as in food production. Dentists are not considered to be frequent prescribers of antibiotics. However, few studies have identified how much, and in which situations, dentists prescribe such drugs...
June 27, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28653423/angiotensin-1-7-inhibits-angiotensin-ii-stimulated-head-and-neck-cancer-progression
#8
E E Hinsley, C E de Oliveira, S Hunt, R D Coletta, D W Lambert
Angiotensin II (Ang II) is the product of the proteolytic action of angiotensin-converting enzyme (ACE) on the precursor peptide, angiotensin I (Ang I). In addition to its vasoactive properties, Ang II is able to stimulate angiogenesis and act as a mitogen, promoting cellular proliferation. Recently, evidence has emerged that Ang II is also able to promote tumour invasion, a key step in the metastatic cascade, although the mechanisms by which it does so remain largely obscure. Here we show that Ang II is able to promote the invasion and migration of head and neck squamous cell carcinoma (HNSCC) cells both in an autocrine manner and by triggering stromal tumour-paracrine interactions...
June 27, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28653417/oral-problems-and-quality-of-life-of-preschool-children-self-reports-of-children-and-perception-of-parents-caregivers
#9
Matheus F Perazzo, Monalisa C Gomes, Érick T Neves, Carolina C Martins, Saul M Paiva, Edja M M de B Costa, Ana F Granville-Garcia
The purpose of this study was to evaluate the association between oral health problems and oral health-related quality of life (OHRQoL) of preschool children according to both self-reports and the reports of parents/caregivers. A school-based, cross-sectional study was conducted with 769 preschool children and their parents/caregivers. The OHRQoL was evaluated using the Scale of Oral Health Outcomes for Five-Year-Old Children (SOHO-5). Based on logistic regression for complex samples, the following variables were found to be associated with poorer OHRQoL in the parent/caregiver version: toothache (OR = 6...
June 27, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28643463/effect-of-ph-on-dentin-protease-inactivation-by-carbodiimide
#10
Roda Seseogullari-Dirihan, Mustafa M Mutluay, Leo Tjäderhane, Lorenzo Breschi, David H Pashley, Arzu Tezvergil-Mutluay
A water-soluble crosslinking agent, 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC), has been used as a pretreatment of acid-etched dentin to inactivate matrix-bound endogenous dentin proteases. The aim of this study was to evaluate the effect of pH on the inactivation capacity of EDC. Demineralized dentin beams (1 × 2 × 6 mm) were divided into six groups (n = 8 per group). Then, EDC (0.3 M) was solubilized in distilled water with pH of 2, 4, 6, 7, 9, or 11. Control EDC was solubilized in 0.1 M 2-(N-morpholino) ethanesulfonic acid (MES) buffer and its pH was adjusted to 6...
June 23, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28643390/oral-disorders-saliva-secretion-and-oral-health-related-quality-of-life-in-patients-with-primary-sj%C3%A3-gren-s-syndrome
#11
Shermin Rusthen, Alix Young, Bente B Herlofson, Lara A Aqrawi, Morten Rykke, Lene H Hove, Øyvind Palm, Janicke L Jensen, Preet B Singh
Chemosensory function, burning sensations in the tongue (BST), halitosis, saliva secretion, and oral health-related quality of life (OHRQoL) were investigated in patients with primary Sjögren's syndrome (pSS). In 31 patients with pSS and 33 controls, olfactory and gustatory functions were evaluated. Self-reported complaints of dysgeusia, BST, and halitosis were recorded. Saliva secretion rates were measured and OHRQoL was assessed using the short-form Oral Health Impact Profile (OHIP-14). Patients had significantly lower olfactory (8...
June 23, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28643381/clinical-association-between-chronic-periodontitis-and-the-leukocyte-extravasation-inhibitors-developmental-endothelial-locus-1-and-pentraxin-3
#12
Matthias Folwaczny, Evangelia Karnesi, Tamara Berger, Ekaterini Paschos
This clinical study aimed to determine whether periodontal disease is associated with expression of developmental endothelial locus-1 (Del-1) and pentraxin-3 (PTX-3), endogenous inhibitors of leukocyte extravasation in humans. Expression of DEL1, PTX3, interleukin-17A (IL17A), and lymphocyte function-associated antigen-1 (LFA1) was determined, using RT-PCR and melting curve analysis, in biopsies of gingival tissues from 95 patients: 42 with moderate periodontitis; 40 with severe periodontitis; and 13 healthy controls...
June 23, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28618020/bacterial-colonization-of-resin-composite-cements-influence-of-material-composition-and-surface-roughness
#13
Stephanie Glauser, Monika Astasov-Frauenhoffer, Johannes A Müller, Jens Fischer, Tuomas Waltimo, Nadja Rohr
So-called secondary caries may develop in the cement gap between the tooth and the bonded restoration. Cement materials with a low susceptibility to biofilm formation are therefore desirable. In the present study, the adhesion of Strepococcus mutans onto three adhesive (Multilink Automix, RelyX Ultimate, and Panavia V5) and three self-adhesive (Multilink Speed Cem, RelyX Unicem 2 Automix, and Panavia SA plus) resin composite cements was evaluated. Previous studies have failed to evaluate concomitantly the effect of both the composition of the cements and their surface roughness on biofilm formation...
June 15, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28597965/fracture-resistance-of-zirconia-based-all-ceramic-crowns-after-bur-adjustment
#14
Stefan Rues, Franz S Schwindling, Andre Meyer, Peter Rammelsberg, Marc Schmitter
Intra-oral grinding is often required to optimize occlusion of all-ceramic restorations. The effect of burs of different grit size on the fracture resistance of veneered zirconia crowns was investigated in this study. Forty-eight standardized zirconia copings were produced. The ceramic veneer was designed with a positive ellipsoidal defect on the palatal aspect of the crowns. To simulate adjustment of dental restorations by burs, this palatal defect was removed by use of three different diamond-coated burs with grit sizes 46, 107, or 151 μm (fine, medium, or coarse, respectively)...
June 9, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28677881/author-guidelines
#15
(no author information available yet)
No abstract text is available yet for this article.
August 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28603941/higher-expression-of-wnt5a-protein-in-oral-squamous-cell-carcinoma-compared-with-dysplasia-and-oral-mucosa-with-a-normal-appearance
#16
Zdenka Prgomet, Tommy Andersson, Pia Lindberg
WNT5A is a secreted signaling protein that promotes migration and invasion of oral squamous cell carcinoma (OSCC) cells through activation of non-canonical WNT signaling. Here, we examined expression of WNT5A, β-catenin, and E-cadherin by immunohistochemistry in 21 human diagnostic incision biopsies that each had regions of oral mucosa with a normal appearance adjacent to the affected tissue, dysplasia, and OSCC. We also investigated the effect of recombinant WNT5A (rWNT5A) on expression of the cell-adhesion proteins E-cadherin and β-catenin by western blot analysis...
August 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28474467/fauchard-boerhaave-and-the-pathogenesis-of-periodontitis-in-the-17th-and-18th-centuries
#17
LETTER
Roger Seiler, Francesco M Galassi, Frank J Rühli
No abstract text is available yet for this article.
June 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28474466/reply
#18
LETTER
Lia S de Castilho, Cláudia S de Magalhães
No abstract text is available yet for this article.
June 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28474465/stereomicroscopy-has-low-accuracy-for-detecting-the-depth-of-carious-lesion-in-dentine
#19
LETTER
Frederico B de Sousa, Priscila F da Silva, Ana Maria B Chaves
No abstract text is available yet for this article.
June 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28474464/author-guidelines
#20
(no author information available yet)
No abstract text is available yet for this article.
June 2017: European Journal of Oral Sciences
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