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https://www.readbyqxmd.com/read/28340422/the-clinicopathologic-relevance-of-reck-gene-polymorphisms-in-ameloblastoma
#1
Xudong Zhang, Jie Wang, Huijuan Liu, Yanning Zhang, Fusheng Dong
OBJECTIVE: To investigate the relationship between RECK gene polymorphisms and the clinicopathologic features of ameloblastoma. DESIGN: Normal gingival mucosa specimens were obtained from 10 healthy volunteers. Ameloblastomas were surgically removed from 30 patients and part of the tumor specimens were used to detect RECK gene polymorphisms by using PCR-single-strand conformation polymorphism (PCR-SSCP) and DNA sequencing analysis. Expression of RECK and MMP-9 protein was measured using western blot...
March 16, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28339591/comparison-of-the-force-levels-among-labial-and-lingual-self-ligating-and-conventional-brackets-in-simulated-misaligned-teeth
#2
Ahmad Alobeid, Tarek El-Bialy, Said Khawatmi, Cornelius Dirk, Andreas Jäger, Christoph Bourauel
Background/objective: The aim of this study was to evaluate force levels exerted by levelling arch wires with labial and lingual conventional and self-ligating brackets. Materials/methods: The tested orthodontic brackets were of the 0.022-in slot size for labial and 0.018-in for lingual brackets and were as follows: 1. Labial brackets: (i) conventional bracket (GAC-Twin, Dentsply), (ii) passive self-ligating (SL) brackets (Damon-Q®, ORMCO; Ortho classic H4™, Orthoclassic; FLI®SL, Rocky Mountain Orthodontics) and (iii) active SL brackets (GAC In-Ovation®C, DENTSPLY and SPEED™, Strite)...
January 25, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28338391/modifications-in-human-oral-fibroblast-ultrastructure-collagen-production-and-lysosomal-compartment-in-response-to-e-cigarette-fluids
#3
Silvia Sancilio, Marialucia Gallorini, Amelia Cataldi, Laura Sancillo, Rosa Alba Rana, Viviana di Giacomo
Background Many smokers have recently turned to electronic cigarettes (e-cigarettes) because they have been marketed as a cheaper and safer smokeless alternative to traditional cigarettes, and a possible smoking cessation tool. Even though the safety of these electronic devices is still not fully known, there is evidence of their cytotoxicity on cells which belong to the oral cavity. In a previous paper the increase of reactive oxygen production and Bax expression, followed by the occurrence of apoptosis, were demonstrated in human gingival fibroblasts...
March 24, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28338390/biologic-remodeling-of-periodontal-dimensions-of-areas-treated-with-gingival-augmentation-procedure-gap-a-25-year-follow-up-observation
#4
Giancarlo Agudio, Leandro Chambrone, Giovanpaolo Pini Prato
BACKGROUND: The role of keratinized tissue (KT) for maintenance of periodontal health has been debated for many years. This study assessed the long-term "biologic remodeling" of periodontal dimensions of teeth treated with free gingival grafts (FGG) compared to their adjacent/untreated teeth. METHODS: Seventy-four patients, with at least one site showing absence or a reduced amount of attached gingiva associated with gingival recession at baseline, were treated with FGG in a private practice...
March 24, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28338036/to-cord-or-not-to-cord-that-is-still-a-question
#5
Analia Veitz-Keenan, James R Keenan
Data sourcesA broad computerised search with similar key terms was performed in different databases that included: Ovid Medline, Thomson's ISI Web of Science, PubMed, Science Direct, EMBASE and the Cochrane Library. Grey literature, dissertations, abstracts and theses were searched too. Reference lists of the selected articles were hand-searched.Study selectionThe inclusion criteria included in vivo randomised clinical trials and quasi-randomised clinical trials using gingival retraction techniques with and without cord...
March 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28337899/substance-p-expression-in-the-gingival-tissue-after-upper-third-molar-extraction-effect-of-ketoprofen-a-preliminary-study
#6
G M Abbate, A Mangano, P Sacerdote, G Amodeo, G Moschetti, L Levrini
The aim of this study was to evaluate substance P (SP) levels and the effect of a non-steroidal anti-inflammatory drug (NSAID), ketoprofen, on SP in the pericoronal gingival tissue after extraction of upper third molars. A sample of 20 young non-smoking systemically healthy adults of both sexes, with a healthy upper third molar to extract for orthodontic purposes, was selected. After extraction, a sample of the gingival tissue of the pericoronal region was collected with a sterile scalpel, placed into test tubes and kept frozen at -20°C until the SP determination...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337885/role-of-diode-lasers-in-oro-facial-pain-management
#7
F Javed, S V Kellesarian, G E Romanos
With the increasing use of low level laser therapy (LLLT) in clinical dentistry, the aim of the present study was to assess the effectiveness of diode lasers in the management of orofacial pain. Indexed databases were searched without language and time restrictions up to and including July 2016 using different combinations of the following key words: oral, low level laser therapy, dental, pain, diode lasers, discomfort and analgesia. From the literature reviewed it is evident that LLLT is effective compared to traditional procedures in the management of oro-facial pain associated to soft tissue and hard tissue conditions such as premalignant lesions, gingival conditions and dental extractions...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337876/the-efficacy-of-proanthocyanidins-and-secnidazole-in-the-treatment-of-chronic-periodontitis-after-scaling-and-root-planing-therapy
#8
M Li, R Li, Q Jin, J Pang, Z Xu
The aim of this study is to evaluate the clinical and microbiological effect of the systemic antibiotic therapy of proanthocyanidins and secnidazole on periodontitis. Seventy-five subjects with chronic periodontitis were randomly divided into two treatment groups (secnidazole or proanthocyanidins) and one placebo control group (25 cases each). Plaque index (PI), gingival index (GI), gingival bleeding index (BI), probing pocket depth (PPD), and clinical attachment level (CAL) were carried out at baseline, post-treatment and 3 months after treatment...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337873/cyclosporine%C3%A2-a-augments-endoplasmic-reticulum-stress-markers-and-expression-of-matrix-protein-mrna
#9
S R Rao, R Subbarayan, D M Girija
Cyclosporine-A induces gingival overgrowth with disturbance in the homeostasis of cells and connective tissue proteins. Human gingival fibroblasts were cultured with cyclosporine A, and the expression of two vital endoplasmic stress markers and two prime matrix proteins (connective tissue growth factor (CTGF and periostin) were assessed by RT-PCR. We found that expression of Glucose-Regulated Protein 78 (GRP78/BIP) and CCAAT/enhancer binding protein, C/EBP homologous protein (CHOP) were significantly increased, along with CTGF and periostin, suggesting a role for these factors in gingival overgrowth...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337459/maxillofacial-prosthesis-in-dentofacial-traumas-a-retrospective-clinical-study-and-introduction-of-new-classification-method
#10
Edoardo Brauner, Giorgio Pompa, Alessandro Quarato, Sara Jamshir, Francesca De Angelis, Stefano Di Carlo, Valentino Valentini
Background. Maxillofacial trauma represents a field of common interest as regards both the maxillofacial surgery and prosthodontics, especially for the functional and aesthetic stomatognathic rehabilitation. This condition necessitates relationship between maxillofacial surgeon and prosthodontist, to achieve the ultimate treatment goal. Purpose. The purpose of this study is to make predictable patients outcomes classifying their clinical data, using certain parameters and introducing a new classification method...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337048/validity-of-a-new-kit-measuring-salivary-lactate-dehydrogenase-level-for-screening-gingivitis
#11
Daisuke Ekuni, Mayu Yamane-Takeuchi, Kota Kataoka, Aya Yokoi, Ayano Taniguchi-Tabata, Hirofumi Mizuno, Hisataka Miyai, Yoko Uchida, Daiki Fukuhara, Yoshio Sugiura, Takaaki Tomofuji, Manabu Morita
Aim. The aim of this study was to determine the usefulness of a new kit that can evaluate salivary lactate dehydrogenase (LD) level in real time for screening gingivitis. Materials and Methods. The study included 70 systemic healthy volunteers [29 males and 41 females; mean age ± SD: 24.1 ± 2.6 years]. Resting saliva was collected from each participant and LD level was evaluated in real time using the kit (a color-changing sheet with an integer scale ranging from 1 to 10). A dentist measured probing pocket depth, clinical attachment level, and the proportion of sites with bleeding on probing (% BOP) at six sites on all teeth...
2017: Disease Markers
https://www.readbyqxmd.com/read/28335666/control-of-dental-derived-induced-pluripotent-stem-cells-through-modified-surfaces-for-dental-application
#12
Hyunmin Choi, Kyu-Hyung Park, Ah-Reum Lee, Chin Hee Mun, Yong Dae Shin, Yong-Beom Park, Young-Bum Park
OBJECTIVE: The aim of this study is to investigate the behaviour of iPSc derived from dental stem cells in terms of initial adhesion, differentiation potential on differently surface-treated titanium disc. MATERIALS AND METHODS: iPSc derived from human gingival fibroblasts (hGFs) were established using 4-reprogramming factors transduction with Sendai virus. The hGF-iPSc established in this study exhibited the morphology and growth properties similar to human embryonic stem (ES) cells and expressed pluripotency makers...
March 23, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28335320/cellular-interactions-and-formation-of-an-epithelial-nanocoating-like-barrier-with-mesoporous-silica-nanoparticles
#13
Xuan Li, Ka Yan Pang, Tsz Wing Ng, Ping Chung Leung, Cheng Fei Zhang, Ken Cham-Fai Leung, Lijian Jin
Oral mucosa as the front-line barrier in the mouth is constantly exposed to a complex microenvironment with multitudinous microbes. In this study, the interactions of mesoporous silica nanoparticles (MSNs) with primary human gingival epithelial cells were analyzed for up to 72 h, and their diffusion capacity in the reconstructed human gingival epithelia (RHGE) and porcine ear skin models was further assessed at 24 h. It was found that the synthesized fluorescent mesoporous silica nanoparticles (RITC-NPs) with low cytotoxicity could be uptaken, degraded, and/or excreted by the human gingival epithelial cells...
October 27, 2016: Nanomaterials
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
#14
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/28331369/comparison-of-conventional-and-semilunar-coronally-positioned-flap-techniques-for-root-coverage-in-teeth-with-cervical-abrasion-restored-with-pink-resin
#15
Felipe Rychuv Santos, Carmen Lucia Mueller Storrer, Emanuelle Juliana Cunha, Lucienne M Ulbrich, Camilo Andress Villabona Lopez, Tatiana Miranda Deliberador
Gingival recession is the most common mucogingival defect, characterized by apical migration of the gingival margin from the cementoenamel junction and root exposure. Several surgical techniques are reported for the treatment of gingival recession. Here we present a comparison of the conventional (coronally advanced flap) and semilunar coronally positioned flap techniques for root coverage in teeth with cervical abrasion restored with pink resin that mimics the color of the gingiva. Although the conventional technique is more predictable, we found that both techniques were effective in achieving satisfactory and esthetic root coverage...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/28329937/-correlation-between-self-reported-gingival-bleeding-and-type-2-diabetes-mellitus-in-aged-%C3%A2-18-years-adults-in-china
#16
Q Zhang, Z X Li, Y Yang, C X Wang, L M Wang, L H Wang
Objective: To understand the correlation between self-reported gingival bleeding and type 2 diabetes mellitus (T2DM) in adults in China. Methods: The database of China' s 2010 Chronic Disease and Risk Factor Surveillance (CCDRFS) survey among people aged ≥18 years was used to analyze the demographic characteristics of subjects with self-reporting gingival bleeding and the prevalence of major chronic diseases among adults. Correlation and interaction analyses were conducted on the relationships between frequent gingival bleeding and T2DM, hypertension and dyslipidemia, and interaction of age and gingival bleeding, age and hypertension, age and dyslipidemia, age and gender on the prevalence of T2DM...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28327417/appositional-bone-graft-tunneled-technical-note
#17
Roberto Almeida de Azevedo, Felipe Seoane Matos, Leonardo Morais Godoy Figueiredo
INTRODUCTION: A satisfactory positioning of the dental implants is very important in the cosmetic and functional outcome in this treatment for edentulous. Insertion of an endosseous implant in the correct positioning requires sufficient bone volume. Therefore, bone-grafting procedures are becoming increasingly common, especially for the augmentation of horizontally deficient ridges. PRESENTATION OF CASE: Many patients have been treated with this technique of appositional Bone Graft Tunneled at our clinic since 2005...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28327262/clinical-performance-of-pedo-jacket-crowns-in-maxillary-anterior-primary-teeth
#18
Aimee Castro, Sherine B Y Badr, Wafa El-Badrawy, Gajanan Kulkarni
PURPOSES: To assess the clinical performance of Pedo Jacket crowns for restoration of carious primary anterior teeth. METHODS: A total of 129 carious primary incisors and canines of 48 children younger than 71 months of age- were restored with Pedo Jacket crowns and resin-modified glass ionomer cementation. They were assessed for: ease of use; presence of recurrent decay; wear; partial or complete loss of the crown; color stability; gingival health; and overall clinical success over a 12-month follow-up...
September 15, 2016: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/28326928/cxcr4-signaling-in-macrophages-contributes-to-periodontal-mechanical-hypersensitivity-in-porphyromonas-gingivalis-induced-periodontitis-in-mice
#19
Hidekazu Nagashima, Masamichi Shinoda, Kuniya Honda, Noriaki Kamio, Masahiro Watanabe, Tatsuro Suzuki, Naoyuki Sugano, Shuichi Sato, Koichi Iwata
Background Periodontitis is an inflammatory disease accompanied by alveolar bone loss and progressive inflammation without pain. However, the potential contributors eliminating pain associated with gingival inflammation are unknown. Results we examined the involvement of CXC chemokine receptor type 4 (CXCR4) on the mechanical sensitivity of inflamed periodontal tissue, using a mouse model of periodontitis established by the ligation of the tooth cervix of a maxillary second molar and inoculation with Porphyromonas gingivalis (P...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326736/-research-progression-of-the-relationship-between-integrin-%C3%AE-2%C3%AE-1-and-drug-induced-gingival-overgrowth
#20
Kang Yingzhu, Guo Shujuan, Liu Chengcheng, Ding Yi
Drug-induced gingival overgrowth (DIGO) is characterized by fibrous gingival hyperplasia and increased gingival volume. DIGO is histologically associated with proliferation of cells and deposition of extracellular matrices, particularly collagen. Integrin α2β1 is related to collagen phagocytosis and involved in the occurrence and progression of DIGO. This paper reviews the progress of research on the relationship between integrin α2β1 and DIGO.
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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