Contributions of three glycosyltransferases to sucrose-dependent adherence of Streptococcus mutans.

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：:Molecular studies indicate that epigenetic events are important in determining how the internal enamel epithelium folds during odontogenesis. Since this process of folding leads to the subsequent arrangement of cusps on molar teeth, we hypothesized that intercuspal distances of human molar teeth would display greater ...

journal_title：Journal of dental research

authors： Townsend G,Richards L,Hughes T

更新日期：2003-05-01 00:00:00

abstract：:Adhesion of epithelium to the extracellular matrix is crucial for the maintenance of systemic and oral health. In the oral cavity, teeth or artificial dental implants penetrate the soft tissue of the gingiva. In this interface, gingival soft tissue needs to be well attached via the epithelial seal to the tooth or impl...

journal_title：Journal of dental research

authors： Larjava H,Koivisto L,Häkkinen L,Heino J

更新日期：2011-12-01 00:00:00

abstract：:Class II major histocompatilibity complex (MHC)-expressing cells are usually distributed in dental pulp, and it was postulated that the colony-stimulating factor (CSF) derived from dental pulp fibroblasts contributes to the migration of class II MHC-expressing cells into pulp tissue. This study aimed to investigate th...

journal_title：Journal of dental research

authors： Sawa Y,Horie Y,Yamaoka Y,Ebata N,Kim T,Yoshida S

更新日期：2003-02-01 00:00:00

abstract：:Physico-chemical investigations of enamel from deciduous teeth of a small number of children with and without pre-natal fluoride supplementation (PNF) exhibited the following differences between the PNF and non-PNF enamel, with the former showing: (a) more homogeneous and less extensive patterns of acid-etching; (b) d...

journal_title：Journal of dental research

authors： LeGeros RZ,Glenn FB,Lee DD,Glenn WD

更新日期：1985-03-01 00:00:00

abstract：:Bifidobacteria are aciduric bacteria that might play a role in the caries process. To test the hypothesis that Bifidobacteria behave as caries-associated organisms, as predicted by the ecological plaque hypothesis, we determined salivary levels of Bifidobacteria and caries-associated organisms for 156 older adults. Sa...

journal_title：Journal of dental research

authors： Beighton D,Al-Haboubi M,Mantzourani M,Gilbert SC,Clark D,Zoitopoulos L,Gallagher JE

更新日期：2010-09-01 00:00:00

abstract：:Jaw displacement tremor was investigated. Both tremor amplitude and tremor frequency were found to increase with increasing muscle activation. Co-contraction of jaw elevator and jaw depressor muscles was employed in order to vary muscle activation levels without the teeth being in occlusion. Reproducibility of tremor ...

journal_title：Journal of dental research

authors： McCarroll RS,De Vries JH

更新日期：1988-08-01 00:00:00

abstract：:The pellicle serves as a multifunctional protective layer, providing, e.g., lubrication and remineralization and also acting as a diffusion barrier. In addition, since the formation of the pellicle precedes the adhesion of micro-organisms, it is also important as a conditioning film. We present a novel approach to stu...

journal_title：Journal of dental research

authors： Sotres J,Pettersson T,Lindh L,Arnebrant T

更新日期：2012-10-01 00:00:00

abstract：:MMP-20 (enamelysin), the matrix metalloproteinase family member discovered in the enamel organ, has also been detected in odontoblasts during dentin formation. We studied the presence and localization of MMP-20 in mature human teeth in health and disease. In immunohistochemistry, MMP-20-positive staining was observed ...

journal_title：Journal of dental research

authors： Sulkala M,Larmas M,Sorsa T,Salo T,Tjäderhane L

更新日期：2002-09-01 00:00:00

abstract：:Phosphorylated extracellular matrix proteins, including matrix extracellular phosphoprotein (MEPE), are involved in the formation and mineralization of dental tissues. In this study, we evaluated the potential of Dentonin, a synthetic peptide derived from MEPE, to promote the formation of reparative dentin. Agarose be...

journal_title：Journal of dental research

authors： Six N,Septier D,Chaussain-Miller C,Blacher R,DenBesten P,Goldberg M

更新日期：2007-08-01 00:00:00

abstract：:Adhesion of restorative and protective materials to dentin is an important requirement for operative and preventive dentistry. Wettability and roughness are dentin substrate conditions that are critical to establishing good adhesion. This study examined superficial and deep dentin for variations in water contact angle...

journal_title：Journal of dental research

authors： Rosales JI,Marshall GW,Marshall SJ,Watanabe LG,Toledano M,Cabrerizo MA,Osorio R

更新日期：1999-09-01 00:00:00

abstract：:Pulpal blood flow was determined in 32 dogs ranging in age from 6 weeks to 18 months by the isotope fractionation method incorporating diffusible and nondiffusible tracers. Dogs were placed into selected age groups by the developmental status of the canine teeth. For the teeth sampled, the maxillary first, second, and...

journal_title：Journal of dental research

authors： Path MG,Meyer MW

更新日期：1977-10-01 00:00:00

abstract：:Eighteen different Streptococcus strains including S mutans, sanguis, mitis, salivarius, bovis, and 2F2, were assayed for their relative adsorption to synthetic hydroxyapatite and for quantities of lactic acid produced while in the adsorbed state. The results indicated that all S mutans and some S sanguis have an enha...

journal_title：Journal of dental research

authors： Berry CW,Henry CA

更新日期：1977-10-01 00:00:00

abstract：:It is claimed that dental fluorosis in both deciduous and permanent teeth is increasing in fluoridated and non-fluoridated communities. What is unclear is whether fluoride-induced enamel opacities in the deciduous dentition are associated with the subsequent appearance of enamel defects in the permanent dentition. The...

journal_title：Journal of dental research

authors： Milsom KM,Woodward M,Haran D,Lennon MA

更新日期：1996-04-01 00:00:00

abstract：:Four classes of elastomeric impression materials (polysulfide, polyether, silicone, and agar-agar) were evaluated on the basis of linear dimensional stability as a function of time between taking and pouring an impression of mounted teeth. Four polysulfide materials produced dies which were larger than the teeth and g...

journal_title：Journal of dental research

authors： Marcinak CF,Young FA,Draughn RA,Flemming WR

更新日期：1980-07-01 00:00:00

abstract：:Bacteroides forysthus has been shown to be prevalent among patients with periodontitis. Conventional microbiological methods used to identify this bacterium, however, are laborious and time-consuming and are therefore not well-suited for screening purposes. We have developed a polymerase chain-reaction (PCR) method wh...

journal_title：Journal of dental research

authors： Meurman JH,Wahlfors J,Korhonen A,Alakuijala P,Väisänen P,Torkko H,Jänne J

更新日期：1997-07-01 00:00:00

abstract：:As an approach for improving the outcome and predictability of periodontal regenerative therapies, we have focused on determining the responses of cells within the local environment to putative regenerative factors. This study examined the effects of bone morphogenetic protein-2 (BMP-2) on murine cementoblasts in vitr...

journal_title：Journal of dental research

authors： Zhao M,Berry JE,Somerman MJ

更新日期：2003-01-01 00:00:00

abstract：:Pilocarpine (P) is of potential utility in the treatment of xerostomia. Because optimal development of P dosage forms for humans requires that its pharmacokinetics and pharmacodynamics be defined, this intravenous study of its disposition and associated salivary responses was performed. In a hospital setting, two heal...

journal_title：Journal of dental research

authors： Tanzer JM,Kramer PA,Schulman P,Willard AK

更新日期：1995-12-01 00:00:00

abstract：:Although proanthocyanidins (PACs) modify dentin, the effectiveness of different PAC sources and the correlation with their specific chemical composition are still unknown. This study describes the chemical profiling of natural PAC-rich extracts from 7 plants using ultra high pressure/performance liquid chromatography ...

journal_title：Journal of dental research

authors： Aguiar TR,Vidal CM,Phansalkar RS,Todorova I,Napolitano JG,McAlpine JB,Chen SN,Pauli GF,Bedran-Russo AK

更新日期：2014-04-01 00:00:00

abstract：:The oral microbiome is one of the most stable ecosystems in the body and yet the reasons for this are still unclear. As well as being stable, it is also highly diverse which can be ascribed to the variety of niches available in the mouth. Previous studies have focused on the microflora in disease-either caries or peri...

journal_title：Journal of dental research

authors： Carpenter GH

更新日期：2020-06-01 00:00:00

abstract：:Damage to the dentin matrix investigates the proliferation and mobilization of dental progenitor cells to the injury site, the mechanisms of which are not defined. EphB receptors and ephrin-B ligands expressed within the perivascular niche of dental pulp have been implicated following tooth injury. We propose that ele...

journal_title：Journal of dental research

authors： Arthur A,Koblar S,Shi S,Gronthos S

更新日期：2009-09-01 00:00:00

abstract：:Periodontal diseases are initiated by bacteria that accumulate in a biofilm on the tooth surface and affect the adjacent periodontal tissue. Systemic diseases such as diabetes, rheumatoid arthritis (RA), and systemic lupus erythematosus (SLE) increase susceptibility to destructive periodontal diseases. In human studie...

journal_title：Journal of dental research

authors： Graves DT,Corrêa JD,Silva TA

更新日期：2019-02-01 00:00:00

abstract：:Dendritic cells, such as Langerhans cells (LC), in different ectodermal compartments may have different functional capabilities. The present study was undertaken to compare oral Langerhans cells (LC) with those of the epidermis in terms of their ability to co-stimulate T-cells in vitro. A Mixed Epithelial Cell Lymphoc...

journal_title：Journal of dental research

authors： Hasséus B,Jontell M,Bergenholtz G,Eklund C,Dahlgren UI

更新日期：1999-03-01 00:00:00

abstract：:The ability of adhesive resins to restore the physical properties of demineralized dentin has not been well-documented. The unfilled resins that are used for adhesion have relatively low moduli of elasticity and limited ability to increase dentin stiffness, although they may increase the ultimate tensile strength of d...

journal_title：Journal of dental research

authors： Sano H,Takatsu T,Ciucchi B,Russell CM,Pashley DH

更新日期：1995-04-01 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：:Mercury emitted from dental amalgam may select for increased numbers of antibiotic- or mercury-resistant commensal bacteria in patients and increase their risk for bacterial diseases that are resistant to common therapies. We hypothesized that the presence of dental amalgams would increase the level of mercury-, tetra...

journal_title：Journal of dental research

authors： Roberts MC,Leroux BG,Sampson J,Luis HS,Bernardo M,Leitão J

更新日期：2008-05-01 00:00:00

abstract：:In cases of pulp exposure due to deep dental caries or severe traumatic injuries, existing pulp-capping materials have a limited ability to reconstruct dentin-pulp complexes and can result in pulpectomy because of their low potentials to accelerate dental pulp cell activities, such as migration, proliferation, and dif...

journal_title：Journal of dental research

authors： Yoshida S,Wada N,Hasegawa D,Miyaji H,Mitarai H,Tomokiyo A,Hamano S,Maeda H

更新日期：2016-10-01 00:00:00

abstract：:Tooth loss is a significant health issue currently affecting millions of people worldwide. Artificial dental implants, the current gold standard tooth replacement therapy, do not exhibit many properties of natural teeth and can be associated with complications leading to implant failure. Here we propose bioengineered ...

journal_title：Journal of dental research

authors： Smith EE,Angstadt S,Monteiro N,Zhang W,Khademhosseini A,Yelick PC

更新日期：2018-09-01 00:00:00

abstract：:The microstructures of (beta + gamma) silver-tin alloys are especially influenced by both homogenization temperature and subsequent heat treatment. When the alloy is cooled from homogenization temperatures above approximately 200 degrees C, lenticular regions of the ordered orthorhombic gamma phase precipitate from wi...

journal_title：Journal of dental research

authors： Abbott JR,Miller DR,Netherway DJ

更新日期：1985-05-01 00:00:00

abstract：:An analysis of the relationship between creep and microstructural characteristics of several gamma2-containing amalgams showed the grain size of the Ag-Hg phase (gamma1) to be a predominant factor influencing creep. When gamma1 grain size is increased, creep is reduced. ...

journal_title：Journal of dental research

authors： Mahler DB,Adey JD,Marantz RL

更新日期：1977-12-01 00:00:00