Antigens and surface components associated with virulence of Actinomyces viscosus.

abstract：:In a three-year study of 145 adolescent males in a boarding school in Wisconsin, there were no statistically significant differences in dental caries experience between a group consuming phosphates added to pre-sweetened and non-presweetened ready-to-eat cereals, and the control group, or between cereal eaters and non...

journal_title：Journal of dental research

authors： Wilson CJ

更新日期：1979-09-01 00:00:00

abstract：:In two separate experiments, none of the 14 subunits examined consistently ranked dentifrices similarly to the ranking obtained when the individual rat was used as the experimental unit. Arbitrarily dividing the rat into subunits and then comparing results among these subunits may lead to false conclusions since the r...

journal_title：Journal of dental research

authors： Briner WW

更新日期：1976-05-01 00:00:00

abstract：UNLABELLED:We have previously shown that the resin monomer 2-hydroxyethylmethacrylate (HEMA) affects mouse B-lymphocyte activity, leading to increased IgG1 antibody production in vivo. In the present study, we tested, in vitro, the hypothesis that HEMA also affects human B-lymphocyte activity. The in vitro production o...

journal_title：Journal of dental research

authors： Andersson J,Dahlgren U

更新日期：2010-12-01 00:00:00

abstract：:Enamel crystals in the demineralized zones in early caries lesions of human teeth were observed by high-resolution electron microscopy. The enamel crystals frequently exhibited perforations in their centers and defects of various sizes on their lateral surfaces. There were a number of small electron-lucent spots, sugg...

journal_title：Journal of dental research

authors： Tohda H,Takuma S,Tanaka N

更新日期：1987-11-01 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：: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：: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：:Human saliva contains a number of phosphorylated acidic proline-rich proteins (APRP). Monkey parotid saliva contains a similar protein with the same phosphorylated sequences as the human proteins. A crude protein kinase was prepared from Macaca fascicularis parotid glands which phosphorylated human APRP. The enzyme wa...

journal_title：Journal of dental research

authors： Madapallimattam G,Bennick A

更新日期：1986-03-01 00:00:00

abstract：:Streptococcus mutans produces 3 types of glucosyltransferase (GTF), whose cooperative action is considered to be essential for its cellular adherence to the tooth surface. However, the precise mechanisms for synthesizing adhesive glucans and the specific roles of each GTF in cellular adherence to smooth surfaces have ...

journal_title：Journal of dental research

authors： Ooshima T,Matsumura M,Hoshino T,Kawabata S,Sobue S,Fujiwara T

更新日期：2001-07-01 00:00:00

abstract：:Selected strains of oral Streptococcus and Actinomyces have been tested for their ability to grow in the presence of mercury. Strains were tested for growth on a semi-defined medium with low mercury-binding characteristics. Sensitivities were initially measured on agar plates, and subsequently, selected strains were g...

journal_title：Journal of dental research

authors： Lyttle HA,Bowden GH

更新日期：1993-09-01 00:00:00

abstract：:In order for the role of parotid amylase in starch digestion in the gastro-intestinal tracts of diabetic rats to be clarified, this study investigated the effect of parotid-duct ligation on both amylase secretion from the parotid glands and pancreas into the gastro-intestinal tract and on starch digestion in the gastr...

journal_title：Journal of dental research

authors： Kurahashi M,Inomata K

更新日期：1989-09-01 00:00:00

abstract：:Growing interest in the treatment and prevention of Molar/Incisor Hypomineralization (MIH) warrants investigation into the protein composition of hypomineralized enamel. Hypothesizing abnormality akin to amelogenesis imperfecta, we profiled proteins in hypomineralized enamel from human permanent first molars using a b...

journal_title：Journal of dental research

authors： Mangum JE,Crombie FA,Kilpatrick N,Manton DJ,Hubbard MJ

更新日期：2010-10-01 00:00:00

abstract：:1. A method has been developed and described for obtaining accurate thermal diffusivity values for dental cements and other restorative materials. This method employs specimens of a short cylindrical geometry which are readily fabricated from simply-constructed molds. 2. Results obtained for polycarboxylate and glass-...

journal_title：Journal of dental research

authors： Watts DC,Smith R

更新日期：1981-12-01 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：:This study describes the formation of a calcium polyacrylate-hydroxyapatite cement. Our hypothesis was that calcium phosphates would rapidly hydrolyze in the presence of polyacrylic acid (PAA) to form a cement. PAA, tetracalcium phosphate (TetCP), and dicalcium phosphate (DCP) were reacted together and formed calcium ...

journal_title：Journal of dental research

authors： TenHuisen KS,Brown PW

更新日期：1994-03-01 00:00:00

abstract：:Lysozyme concentration was quantitated immunochemically in parotid and submandibular-sublingual saliva of 46 caries-resistant and 17 caries-susceptible adults. There was essentially no difference between the two groups. The concentration of lysozyme was three times higher in the submandibular-sublingual than in the pa...

journal_title：Journal of dental research

authors： Stuchell RN,Mandel ID

更新日期：1983-05-01 00:00:00

abstract：:A dental appointment commonly prompts fear of a painful experience, yet we have never fully understood how our brains react to the expectation of imminent tooth pain once in a dental chair. In our study, 21 patients with hypersensitive teeth were tested using nonpainful and painful stimuli in a clinical setting. Subje...

journal_title：Journal of dental research

authors： Racek AJ,Hu X,Nascimento TD,Bender MC,Khatib L,Chiego D Jr,Holland GR,Bauer P,McDonald N,Ellwood RP,DaSilva AF

更新日期：2015-07-01 00:00:00

abstract：:Vitamin D, an anti-inflammatory mediator, has potential benefits for physical and oral health. Although it is produced endogenously, some individuals have a greater need for dietary and supplemental sources. This repeated-measures cross-sectional study assessed associations between total vitamin D intake and periodont...

journal_title：Journal of dental research

authors： Alshouibi EN,Kaye EK,Cabral HJ,Leone CW,Garcia RI

更新日期：2013-08-01 00:00:00

abstract：:We determined the exposure to mercury from dental amalgam by comparison of blood levels of mercury before and after removal of all amalgams from ten subjects. Baseline concentrations of mercury in whole blood were measured weekly for four to 18 weeks (median = 6.6 weeks) prior to removal. All amalgams were removed in ...

journal_title：Journal of dental research

authors： Snapp KR,Boyer DB,Peterson LC,Svare CW

更新日期：1989-05-01 00:00:00

abstract：:4-META and new phosphate-methacrylate resins adhere strongly to dental alloys. However, for strengthening the water durability of the adhesive interface, the oxidation of the alloy surface is indispensable. A new oxidation method using ion-sputtering was developed, and the effectiveness of this surface treatment on tw...

journal_title：Journal of dental research

authors： Tanaka T,Hirano M,Kawahara M,Matsumura H,Atsuta M

更新日期：1988-11-01 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：:The adsorption isotherms of benzoic acid on synthetic hydroxyapatite (containing about 1.5 monolayers of physisorbed water) were studied from ethanol, dimethylsulfoxide, p-dioxane, methylene chloride, and benzene to discern the role of solvent in the process. The adsorption is reversible from the first three solvents ...

journal_title：Journal of dental research

authors： Misra DN

更新日期：1986-05-01 00:00:00

abstract：:The effect of combined administration of chlorhexidine and fluoride in the drinking water of hamsters on plaque and caries prevention was studied. Plaque indices of the hamsters receiving chlorhexidine either alone or simultaneously with fluoride were significantly lower than those of the control and fluoride only tre...

journal_title：Journal of dental research

authors： Brayer L,Gedalia I,Gover A

更新日期：1977-11-01 00:00:00

abstract：:Periodontitis is a complex, multifactorial chronic disease involving continuous interactions among bacteria, host immune/inflammatory responses, and modifying genetic and environmental factors. More than any other cytokine family, the interleukin (IL)-1 family includes key signaling molecules that trigger and perpetua...

journal_title：Journal of dental research

authors： Papathanasiou E,Conti P,Carinci F,Lauritano D,Theoharides TC

更新日期：2020-12-01 00:00:00

abstract：:Reporting the economic burden of oral diseases is important to evaluate the societal relevance of preventing and addressing oral diseases. In addition to treatment costs, there are indirect costs to consider, mainly in terms of productivity losses due to absenteeism from work. The purpose of the present study was to e...

journal_title：Journal of dental research

authors： Listl S,Galloway J,Mossey PA,Marcenes W

更新日期：2015-10-01 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：:The effects of different doses of p-tyramine injected i.v. and i.p. on salivary flow rates and proteins secreted by the submandibular glands of rats were studied with and without various types of autonomic blockers and two enzyme inhibitors. The salivary flow rates and the amounts of protein secreted progressively inc...

journal_title：Journal of dental research

authors： Okina A,Hidaka S,Tashiro M,Abe K

更新日期：1993-05-01 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：:Although it is known that diabetes impairs oral wound healing, relatively little is known about the cellular parameters affected, particularly in connective tissue. This study investigated the hypothesis that diabetes impairs connective tissue formation in healing gingiva, and that impaired healing is associated with ...

journal_title：Journal of dental research

authors： Desta T,Li J,Chino T,Graves DT

更新日期：2010-06-01 00:00:00

abstract：:Insulin resistance is one of the critical pathogeneses of type 2 diabetes mellitus (T2DM). Elevated levels of plasma branched-chain amino acids (BCAAs) are associated with insulin resistance. Recent studies have demonstrated the role of Porphyromonas gingivalis in the development of insulin resistance. However, the me...

journal_title：Journal of dental research

authors： Tian J,Liu C,Zheng X,Jia X,Peng X,Yang R,Zhou X,Xu X

更新日期：2020-07-01 00:00:00