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https://www.readbyqxmd.com/read/28711896/computer-tomographic-characteristics-of-root-length-incisors-and-canines-of-the-upper-and-lower-jaws-in-boys-and-girls-with-different-craniotypes-and-physiological-bite
#1
Аlla V Маrchenko, Іgor V Gunas, Tetyana O Petrushanko, Oksana А Serebrennikova, Yulia Yu Trofimenko
INTRODUCTION: In recent years, in world literature appeared research, which focuses on the study of relationships craniotypes with odonto-metric indicators, size, shape of the dental arches and occlusion. However, most of the experts focus on the study of individual features of the structure of the teeth-jaw system in people with different types of faces and aspects of sexual dimorphism and ethnic characteristics. Studies containing information about cranio-typological variability of the roots of teeth we did not encounter...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28615507/genetic-evaluations-of-chinese-patients-with-odontohypophosphatasia-resulting-from-heterozygosity-for-mutations-in-the-tissue-non-specific-alkaline-phosphatase-gene
#2
Jia Wan, Li Zhang, Tang Liu, Yewei Wang
BACKGROUND: Hypophosphatasia is a rare heritable metabolic disorder characterized by defective bone and tooth mineralization accompanied by a deficiency of tissue-non-specific (liver/bone/kidney) isoenzyme of alkaline phosphatase activity, caused by a number of loss-of-function mutations in the alkaline phosphatase liver type gene. We seek to explore the clinical manifestations and identify the mutations associated with the disease in a Chinese odonto- hypophosphatasia family. RESULTS: The proband and his younger brother affected with premature loss of primary teeth at their 2-year-old...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28586929/-keratoprosthesis-with-biological-haptic-the-d%C3%A3-sseldorf-offenburg-experience-with-osteo-odonto-and-tibia-keratoprosthesis
#3
Gerd Geerling, Konrad Hille
In severe ocular surface disease with limbal stem cell deficiency associated with severe dry eye, penetrating keratoplasty is likely to fail. In these cases, and provided the posterior segment is normal, keratoprosthesis surgery (KPro) can achieve visual rehabilitation. In KPros with an autologous biological haptic, a bone-tooth-complex (osteo-odonto-keratoprothesis, OOKPro) or a piece of tibial cortex (tibia-keratoprosthesis, TKPro) is used to carry a PMMA cylinder. This construct can successfully be implanted even in severely dry eyes and in those with autoimmune disease, in which other KPro designs frequently fail...
June 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28497901/risk-factors-of-periodontal-disease-in-vietnamese-patients
#4
Thuy A V Pham, Thoai Q Kieu, Lan T Q Ngo
AIM: The aim of the present study was to assess the association of periodontitis with dental and smoking behaviors, self-perception of oral status, dental knowledge, and obesity in Vietnamese patients. METHODS: A cross-sectional study was conducted on 367 adults who first visited the Faculty of Odonto-Stomatology, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam. Information on demographic characteristics, dental and smoking behaviors, self-perception of oral status, dental knowledge, and nutritional status was investigated by a self-administered questionnaire...
May 12, 2017: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/28484851/-long-term-outcome-of-keratoprosthesis-with-biological-support
#5
K Hille
BACKGROUND: In severe Sicca syndrome and limbal stem cell deficiency, vision can be restored by an artificial optical implant into the cornea (keratoprosthesis, KPro). After multiple efforts to achieve long-lasting corneal fixation of such an optical implant, two methods have become established: KPro with biological support, such as osteo-odonto-keratoprosthesis (OOKP) made from the root of patient's own tooth or osteo-keratoprosthesis (OKP), made from cortical bone of the patient's tibia; and the Boston KPro...
May 8, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28484278/role-of-gata-binding-protein-4-gata4-in-the-regulation-of-tooth-development-via-gnai3
#6
Shuyu Guo, Yuxin Zhang, Tingting Zhou, Dongyue Wang, Yajuan Weng, Lin Wang, Junqing Ma
Transcription factor GATA4 regulates cardiac and osteoblast differentiation. However, its role in tooth development is not clear. Therefore, we generated Wnt1-Cre;GATA4 (fl/fl) mice, with conditional inactivation of the GATA4 gene in the dental papilla mesenchymal cells. Phenotypic analysis showed short root deformity along with reduced expressions of odonto/osteogenic markers. Proliferation (but not apoptosis) of cells around the apical area of the root was attenuated. In vitro, we knocked down GATA4 expression in stem cells of dental apical papilla (SCAPs)...
May 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28457634/combined-effects-of-vascular-endothelial-growth-factor-and-bone-morphogenetic-protein-2-on-odonto-osteogenic-differentiation-of-human-dental-pulp-stem-cells-in%C3%A2-vitro
#7
Hacer Aksel, George T-J Huang
INTRODUCTION: The purpose of this study was to investigate whether combined and concerted delivery of vascular endothelial growth factor (VEGF) and bone morphogenetic protein 2 (BMP-2) enhances odonto/osteogenic differentiation of human dental pulp stem cells (DPSCs) in vitro. METHODS: Various concentrations of VEGF and/or BMP-2 with or without the presence of odonto/osteogenic medium (OM) were added into DPSC cultures for 21 days. The mineral formation in cultures was evaluated using alizarin red stain (ARS)...
April 27, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28441214/the-osteo-odonto-keratoprosthesis
#8
REVIEW
Mehran Zarei-Ghanavati, Venkata Avadhanam, Alfonso Vasquez Perez, Christopher Liu
PURPOSE OF REVIEW: To describe the practice of and recent developments in the osteo-odonto-keratoprosthesis. RECENT FINDINGS: Formal psychological assessment and support have been described. A sub-aqua system for fashioning the osteo-odonto-keratoprosthesis lamina; adoption of thicker laminae; use of bisphosphonate drugs; advances in laminar imaging; and use of bone augmentation and bone morphogenetic protein have been described for prevention, detection, and management of laminar resorption...
July 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28430334/chondro-keratoprosthesis-an-alternative-to-ookp
#9
Louis Hoffart, Laurent Guyot
PURPOSE: To evaluate the use of cartilage as a potential graft material toward osteo-odontal tissue replacement in keratoprosthesis surgery. METHODS: We describe a modification of the osteo-odonto-keratoprosthesis surgery that involves the use of autologous auricular conchal cartilage graft (ACCG). In stage 1a, a full-thickness cheek mucosa graft was performed over the ocular surface. In stage 1b, ACCG was harvested via a retroauricular approach. An optical polymethyl-methacrylate cylinder was embedded into a double-layered fragment of cartilage and secured by cyanoacrylate glue...
April 4, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28342024/towards-optimization-of-odonto-osteogenic-bioengineering-in-vitro-comparison-of-simvastatin-sodium-fluoride-melanocyte-stimulating-hormone
#10
Vahid Zijah, Roya Salehi, Marziyeh Aghazadeh, Mohammad Samiei, Effat Alizadeh, Soodabeh Davaran
Tissue engineering has emerged as a potential therapeutic option for dental problems in recent years. One of the policies in tissue engineering is to use both scaffolds and additive factors for enhancing cell responses. This study aims to evaluate and compare the effect of three types of biofactors on poly-caprolactone-poly-ethylene glycol-poly caprolactone (PCL-PEG-PCL) nanofibrous scaffold on human dental pulp stem cell (hDPSCs) engineering. The PCL-PEG-PCL copolymer was synthesized with ring opening polymerization method, and its nanofiber scaffold was prepared by electrospinning method...
March 25, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28329888/osteo-odonto-keratoprosthesis-in-severe-ocular-graft-versus-host-disease
#11
K Plattner, D Goldblum, J Halter, C Kunz, R Koeppl, N Gerber-Hollbach
No abstract text is available yet for this article.
April 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28135572/dlx3-mutation-negatively-regulates-odontogenic-differentiation-of-human-dental-pulp-cells
#12
Li Zeng, Na Zhao, Dong Han, Haochen Liu, Yang Liu, Yixiang Wang, Hailan Feng
OBJECTIVES: The purpose of this study was to investigate the role of a novel mutant DLX3 on the odontogenic differentiation of human dental pulp cells (hDPCs) in tricho-dento-osseous (TDO) syndrome. DESIGN: hDPCs were obtained from the healthy premolars, stably-expressing wild-type DLX3 (WT), novel mutant DLX3 (Mu) and control vector (NC) cells were generated using recombinant lentiviruses. The proliferation rates of WT-hDPCs and Mu-hDPCs were measured by CCK8 assay...
May 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28123265/quantitative-and-qualitative-analysis-of-palatal-rugae-patterns-in-gujarati-population-a-retrospective-cross-sectional-study
#13
Jayasankar Pillai, Alka Banker, Amit Bhattacharya, Radha Gandhi, Nupur Patel, Sarthak Parikh
INTRODUCTION: Palatal rugae are irregular and nonidentical mucosal elevations seen on the anterior third of palate. They are arranged in transverse direction on either side of the median palatine raphe (MPR) and are protected from high temperature and trauma because of their rational position in the oral cavity. Their number and patterns are not uniform in all the individuals, and they appear to vary in different population subsets. The study of palatal rugae is termed as "Rugoscopy" or "Palatoscopy", and it finds its application in various fields such as anthropology, orthodontics, forensic sciences; including forensic odonto-stomatology...
September 2016: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/28105635/dental-and-extra-oral-clinical-features-in-41-patients-with-wnt10a-gene-mutations-a-multicentric-genotype-phenotype-study
#14
C Tardieu, S Jung, K Niederreither, M Prasad, S Hadj-Rabia, N Philip, A Mallet, E Consolino, E Sfeir, B Noueiri, N Chassaing, H Dollfus, M-C Manière, A Bloch-Zupan, F Clauss
WNT10A gene encodes a canonical wingless pathway signaling molecule involved in cell fate specification as well as morphogenetic patterning of the developing ectoderm, nervous system, skeleton, and tooth. In patients, WNT10A mutations are responsible for ectodermal-derived pathologies including isolated hypo-oligodontia, tricho-odonto-onycho-dermal dysplasia (TOODD) and Schöpf-Schulz-Passarge Syndrome (SSPS). Here we describe the dental, ectodermal, and extra-ectodermal phenotypic features of a cohort of 41 patients from 32 unrelated families...
January 20, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28098169/ifn-%C3%AE-regulates-human-dental-pulp-stem-cells-behavior-via-nf-%C3%AE%C2%BAb-and-mapk-signaling
#15
Xinyao He, Wenkai Jiang, Zhirong Luo, Tiejun Qu, Zhihua Wang, Ningning Liu, Yaqing Zhang, Paul R Cooper, Wenxi He
During caries, dental pulp expresses a range of pro-inflammatory cytokines in response to the infectious challenge. Interferon gamma (IFN-γ) is a dimerized soluble cytokine, which is critical for immune responses. Previous study has demonstrated that IFN-γ at relative high concentration (100 ng/mL) treatment improved the impaired dentinogenic and immunosuppressive regulatory functions of disease-derived dental pulp stem cells (DPSCs). However, little is known about the regulatory effects of IFN-γ at relative low concentration on healthy DPSC behavior (including proliferation, migration, and multiple-potential differentiation)...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28011975/dental-worm-disease
#16
Sergio Sabbatani, Sirio Fiorino
During human evolution, the period in which groups of humans stopped harvesting fruits and seeds growing wild and introduced the cultivation of cereals as well as the domestication of animals represents a very important event. This circumstance had a considerable impact on human pathocenosis, increasing the risk of infectious diseases of animal origin. The aim of this review was to summarise the archaeological and palaeo-pathological evidence in the literature concerning this topic. Starting from early prehistory (about 1...
December 1, 2016: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/27833148/igf-1-igf-1r-hsa-let-7c-axis-regulates-the-committed-differentiation-of-stem-cells-from-apical-papilla
#17
Shu Ma, Genxia Liu, Lin Jin, Xiyao Pang, Yanqiu Wang, Zilu Wang, Yan Yu, Jinhua Yu
Insulin-like growth factor-1 (IGF-1) and its receptor IGF-1R play a paramount role in tooth/bone formation while hsa-let-7c actively participates in the osteogenic differentiation of mesenchymal stem cells. However, the interaction between IGF-1/IGF-1R and hsa-let-7c on the committed differentiation of stem cells from apical papilla (SCAPs) remains unclear. In this study, human SCAPs were isolated and treated with IGF-1 and hsa-let-7c over/low-expression viruses. The odonto/osteogenic differentiation of these stem cells and the involvement of mitogen-activated protein kinase (MAPK) pathway were subsequently investigated...
November 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27763659/transgenic-expression-of-ephrinb2-in-periodontal-ligament-stem-cells-pdlscs-modulates-osteogenic-differentiation-via-signaling-crosstalk-between-ephrinb2-and-ephb4-in-pdlscs-and-between-pdlscs-and-pre-osteoblasts-within-co-culture
#18
S Y Zhu, P L Wang, C S Liao, Y Q Yang, C Y Yuan, S Wang, W L Dissanayaka, B C Heng, C F Zhang
BACKGROUND AND OBJECTIVE: The goal of periodontal therapy is to regenerate/reconstruct the damaged supporting tissues of diseased teeth and to facilitate recovery of their physiological functions. Combination of stem cell transplantation and gene therapy offers a viable method for accelerating periodontal repair and regeneration. In this study, the role of the ephrinB2/EphB4 signaling pathway in regulating osteogenic differentiation of periodontal ligament stem cells (PDLSCs) and crosstalk between PDLSCs and pre-osteoblasts within co-culture was investigated through ephrinB2 transgenic expression in PDLSCs...
June 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/27762658/effects-of-stem-cell-factor-on-cell-homing-during-functional-pulp-regeneration-in-human-immature-teeth
#19
Nisarat Ruangsawasdi, Matthias Zehnder, Raphael Patcas, Chafik Ghayor, Barbara Siegenthaler, Bebeka Gjoksi, Franz E Weber
Conventional root canal treatment in immature permanent teeth can lead to early tooth loss in children because root formation is discontinued. We investigated whether the stem cell factor (SCF) could facilitate cell homing in the pulpless immature root canal and promote regeneration of a functional pulp. In vitro, human mesenchymal stem cells (hMSCs) were exposed to SCF at various concentrations for assessing cell migration, proliferation, and differentiation toward odonto/osteoblasts by 3D-chemotaxis slides, WST-1 assay, and alkaline phosphatase activity, respectively...
February 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27716996/the-transcription-factor-camp-response-element-binding-protein-enhances-the-odonto-osteogenic-differentiation-of-stem-cells-from-the-apical-papilla
#20
Shengzhe S, Yongna Z, Song L, Yan L, Jing Z
AIM: To investigate the role of cAMP response element-binding protein (CREB) in the regulation of odonto/osteogenic differentiation of stem cells from the apical papilla (SCAPs). METHODOLOGY: SCAPs were obtained from human impacted third molars (n=15). Isolated SCAPs were transfected with CREB overexpressing/silenced lentivirus. Transfected cells were stained with alizarin red to investigate mineralized nodule formation. The expression of the mineralization-related genes alkaline phosphatase (ALP), collagen type I (Col I), runt-related transcription factor 2 (RUNX2), osterix (OSX), and osteocalcin (OCN), was determined by quantitative reverse transcription polymerase chain reaction (qRT-PCR)...
October 7, 2016: International Endodontic Journal
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