Protective effect of the dental pellicle against erosive challenges in situ.

abstract：:This study contains the first part of a research project in which the applicability of fracture mechanics parameters to predict failure of a restored tooth was investigated. Fracture mechanics parameters have been used in dental research before, but were restricted to comparative studies between various brands of comp...

journal_title：Journal of dental research

authors： De Groot R,Van Elst HC,Peters MC

更新日期：1988-06-01 00:00:00

abstract：:This study investigated the relevance between pulp vitality and autophagy in aged human dental pulp cells (HDPCs) and whether peroxisome proliferator-activated receptor gamma (PPARγ) affects autophagy regulation for homeostasis in the aging progress. In vivo experiments were used in human and Sprague-Dawley rat teeth ...

journal_title：Journal of dental research

authors： Lee YH,Lee HY,Kim TG,Lee NH,Yu MK,Yi HK

更新日期：2015-05-01 00:00:00

abstract：:Changes in stimulated and non-stimulated whole saliva flow rates were measured in 11 Hodgkin's disease patients who received therapeutic doses of radiation to a mantle field at the M. D. Anderson Hospital in Houston, Texas. Salivary flow rates were examined before, during, and after radiotherapy. Mean flow rate reduct...

journal_title：Journal of dental research

authors： Bucher JA,Fleming TJ,Fuller LM,Keene HJ

更新日期：1988-02-01 00:00:00

abstract：:A study was made of the hydration of dental cements, water being classified as "non-evaporable" and "evaporable". The ratio of these two types of water was found to vary greatly among different cement types, being lesser in zinc oxide and ionic polymer cements and greater in ion-leachable glass and phosphoric acid cem...

journal_title：Journal of dental research

authors： Wilson AD,Paddon JM,Crisp S

更新日期：1979-03-01 00:00:00

abstract：:Dental composites develop residual stresses during polymerization due to shrinkage. These stresses may change with time because of relaxation and water sorption in the oral environment. This phenomenon is likely dependent on the composition of the materials, specifically their hydrophilic characteristics, and could re...

journal_title：Journal of dental research

authors： Park JW,Ferracane JL

更新日期：2014-02-01 00:00:00

abstract：:Iodoacetate at 10(-3) M and 10(-4) M concentrations was found to strongly inhibit incorporation of both 14C-choline and 3H-inositol into phospholipids of calvaria from newborn rats; it had somewhat less effect on ethanolamine incorporation and almost no effect on serine incorporation. Similar though less dramatic resu...

journal_title：Journal of dental research

authors： Dirksen TR,Schuster GS,McKinney R,Bustos SE

更新日期：1975-09-01 00:00:00

abstract：:It was the aim of this 24-mo randomized controlled clinical trial to investigate whether the survival of a single median implant placed in the edentulous mandible to retain a complete denture is not compromised by immediate loading. Secondary outcomes were differences in prosthetic complications between the loading pr...

journal_title：Journal of dental research

authors： Kern M,Att W,Fritzer E,Kappel S,Luthardt RG,Mundt T,Reissmann DR,Rädel M,Stiesch M,Wolfart S,Passia N

更新日期：2018-02-01 00:00:00

abstract：:Early-onset periodontitis (EOP) is considered to have a genetic basis which has not been clearly defined. Genetic polymorphisms of the vitamin D receptor (VDR-B-b) and the immunoglobulin-Fc-gamma receptor IIIb (FcgammaRIIIb-NA1-NA2) are associated with bone metabolism and infectious diseases, respectively. The purpose...

journal_title：Journal of dental research

authors： Yoshihara A,Sugita N,Yamamoto K,Kobayashi T,Miyazaki H,Yoshi H

更新日期：2001-12-01 00:00:00

abstract：:Teeth develop through distinct morphological stages. At the cap stage, a compactly clustered and concentrically arranged cell mass, the enamel knot, appears at the tip of the enamel organ. Cells in this knot express sets of key molecules, and as such have been proposed to act as a signaling center directing tooth morp...

journal_title：Journal of dental research

authors： Liu M,Zhao S,Wang XP

更新日期：2014-05-01 00:00:00

abstract：:Fluorides are present in the environment. Excessive systemic exposure to fluorides can lead to disturbances of bone homeostasis (skeletal fluorosis) and enamel development (dental/enamel fluorosis). The severity of dental fluorosis is also dependent upon fluoride dose and the timing and duration of fluoride exposure. ...

journal_title：Journal of dental research

authors： Everett ET

更新日期：2011-05-01 00:00:00

abstract：:In an attempt to determine the degree of co-activation present in selected cervical muscles during clenching, we instructed 12 male subjects to produce four brief maximum voluntary contraction (MVC) efforts (clenching) in a position of maximum intercuspation. Surface EMG activity was recorded bilaterally from the mass...

journal_title：Journal of dental research

authors： Clark GT,Browne PA,Nakano M,Yang Q

更新日期：1993-11-01 00:00:00

abstract：:The effects of thermal stress on the marginal leakage of resin composite restorations in bovine teeth were investigated by a method that preserved the specimens. The changes in marginal leakage of specimens with increasing numbers of thermal cycles were measured by an electrical conductivity method. Four brands of pos...

journal_title：Journal of dental research

authors： Momoi Y,Iwase H,Nakano Y,Kohno A,Asanuma A,Yanagisawa K

更新日期：1990-10-01 00:00:00

abstract：:The aim of this study was to compare the effectiveness of dexamethasone administration following arthrocentesis of the temporomandibular joint (TMJ) with a placebo (saline). Twenty-eight participants with TMJ arthralgia were randomly assigned to two groups of a parallel double-blind RCT. In both groups, an arthrocente...

journal_title：Journal of dental research

authors： Huddleston Slater JJ,Vos LM,Stroy LP,Stegenga B

更新日期：2012-02-01 00:00:00

abstract：:Breastfeeding is a powerful health-promoting behavior. A 2016 Lancet global collaboration to review the health implications of breastfeeding was among the first to consider oral health outcomes. While a role was suggested for breastfeeding in preventing malocclusion, caries was the only included disease condition unfa...

journal_title：Journal of dental research

authors： Peres KG,Chaffee BW,Feldens CA,Flores-Mir C,Moynihan P,Rugg-Gunn A

更新日期：2018-03-01 00:00:00

abstract：:Previous studies have shown that therapeutic pulsed ultrasound (pulsed) has superior stimulatory effect on bone fracture healing compared with continuous ultrasound (continuous). Our predictive hypothesis was that pulsed ultrasound can produce better bone formation during mandibular osteodistraction than continuous ul...

journal_title：Journal of dental research

authors： El-Bialy TH,Elgazzar RF,Megahed EE,Royston TJ

更新日期：2008-10-01 00:00:00

abstract：:Minimal invasive approaches to managing caries, such as partial caries removal techniques, are showing increasing evidence of improved outcomes over the conventional complete caries removal. There is also increasing interest in techniques where no caries is removed. We present the 1-yr results of clinical efficacy for...

journal_title：Journal of dental research

authors： Santamaria RM,Innes NP,Machiulskiene V,Evans DJ,Splieth CH

更新日期：2014-11-01 00:00:00

abstract：:Phosphatases are involved in bone and tooth mineralization, but their mechanisms of action are not completely understood. Tissue-nonspecific alkaline phosphatase (TNAP, ALPL) regulates inhibitory extracellular pyrophosphate through its pyrophosphatase activity to control mineral propagation in the matrix; mice without...

journal_title：Journal of dental research

authors： McKee MD,Yadav MC,Foster BL,Somerman MJ,Farquharson C,Millán JL

更新日期：2013-08-01 00:00:00

abstract：:Branching morphogenesis is essential for the formation of salivary glands, kidneys, lungs, and many other organs during development, but the mechanisms underlying this process are not adequately understood. Microarray and other gene expression methods have been powerful approaches for identifying candidate genes that ...

journal_title：Journal of dental research

authors： Hsu JC,Di Pasquale G,Harunaga JS,Onodera T,Hoffman MP,Chiorini JA,Yamada KM

更新日期：2012-02-01 00:00:00

abstract：:The color of an unshaded body porcelain was determined at three thicknesses on white, gray, and three chromatic backings. Spectral absorption and scattering coefficients of the porcelain were determined from the diffuse reflectance at one thickness on the white and gray backings. These optical coefficients, when utili...

journal_title：Journal of dental research

authors： O'Brien WJ,Johnston WM,Fanian F

更新日期：1985-06-01 00:00:00

abstract：:Excessive mechanical stress (MS) during hyperocclusion is known to result in disappearance of the alveolar hard line, enlargement of the periodontal ligament (PDL) space, and destruction of alveolar bone, leading to occlusal traumatism. We hypothesized that MS induces expression of osteoclastogenesis-associated chemok...

journal_title：Journal of dental research

authors： Goto KT,Kajiya H,Nemoto T,Tsutsumi T,Tsuzuki T,Sato H,Okabe K

更新日期：2011-06-01 00:00:00

abstract：:The aim of this study was to investigate the diffusion dynamics of 25% hydrogen peroxide (H2O2) through enamel-dentin layers and to correlate it with dentin's structural alterations. Micro-Raman Spectroscopy (MRS) and Fourier Transform Infrared Photoacoustic Spectroscopy (FTIR-PAS) were used to measure the spectra of ...

journal_title：Journal of dental research

authors： Ubaldini AL,Baesso ML,Medina Neto A,Sato F,Bento AC,Pascotto RC

更新日期：2013-07-01 00:00:00

abstract：:The classic stimulus for cellular cytokine production is bacterial lipopolysaccharide (endotoxin). It was therefore hypothesized that tumor necrosis factor-alpha (TNF-alpha) may be responsible for pericoronitis. TNF-alpha and its receptors were detected by immunohistochemical staining in third molar pericoronitis in t...

journal_title：Journal of dental research

authors： Beklen A,Laine M,Ventä I,Hyrkäs T,Konttinen YT

更新日期：2005-12-01 00:00:00

abstract：:The treatment of periodontitis/peri-implantitis involves the reduction/eradication of periopathogens. After therapy, beneficial and pathogenic species recolonize the subgingival area. The dynamics of recolonization and especially the role of the supragingival environment in this process are still not well-understood. ...

journal_title：Journal of dental research

authors： Quirynen M,Vogels R,Pauwels M,Haffajee AD,Socransky SS,Uzel NG,van Steenberghe D

更新日期：2005-04-01 00:00:00

abstract：:Patients suffering from temporomandibular dysfunction exhibit clinical findings such as fatigue, painful muscles, and muscles that are tender to palpation, not only in the temporomandibular area, but also in the neck/shoulder region. The mechanisms behind this are not known, although previous studies of similar spread...

journal_title：Journal of dental research

authors： Hellström F,Thunberg J,Bergenheim M,Sjölander P,Pedersen J,Johansson H

更新日期：2000-10-01 00:00:00

abstract：:Fluid transudation through simplified dentin adhesives can occur in bonded vital crown dentin, since these adhesives behave as permeable membranes after polymerization. The effect of adhesive permeability in endodontically treated teeth is unknown. This study examined the hypothesis that in vivo fluid movement through...

journal_title：Journal of dental research

authors： Chersoni S,Acquaviva GL,Prati C,Ferrari M,Grandini S,Pashley DH,Tay FR

更新日期：2005-03-01 00:00:00

abstract：:In the current theme of dental pulp regeneration, biological and synthetic scaffolds are becoming a potential therapy for pulp revitalization. The goal is to provide a suitable environment for cellular infiltration, proliferation, and differentiation. The extracellular matrix (ECM) represents a natural scaffold materi...

journal_title：Journal of dental research

authors： Alqahtani Q,Zaky SH,Patil A,Beniash E,Ray H,Sfeir C

更新日期：2018-12-01 00:00:00

abstract：:Silver cations generated by passing low intensity direct current through pure silver electrodes were found to be sufficiently antibacterial to cause sterilization of samples of infected dentin. The optimal procedure involved a 5 microA current applied for 20 minutes with the anode then left in contact with the sample....

journal_title：Journal of dental research

authors： Thibodeau EA,Handelman SL,Marquis RE

更新日期：1978-09-01 00:00:00

abstract：:Chemical bonding between dental porcelains and alloys results from interdiffusion of porcelain and metal ions. An interfacial diffusion zone is created which, most likely, has properties different from those of bulk materials. The changed interface might affect experimental measurements of thermo-mechanical strain. To...

journal_title：Journal of dental research

authors： Tesk JA,Hinman RW,Widera GE,Holmes AD,Cassel JM

更新日期：1983-05-01 00:00:00

abstract：:The tongue exerts crucial functions in our daily life. However, we know very little about the regulatory mechanisms of mammalian tongue development. In this review, we summarize recent findings of the molecular and cellular mechanisms that control tissue-tissue interactions during tongue morphogenesis. Specifically, c...

journal_title：Journal of dental research

authors： Parada C,Han D,Chai Y

更新日期：2012-06-01 00:00:00

abstract：:Elemental analysis of two precious alloyceramic systems revealed the accumulation of Sn atoms within the interaction zone of couples subjected to a range of metal oxidation time; and varying total firing times. The source of Sn atoms which accumulated within the interaction zone was the opaque porcelain layer which co...

journal_title：Journal of dental research

authors： Anusavice KJ,Horner JA,Fairhurst CW

更新日期：1977-09-01 00:00:00