Colonization of the human oral cavity by a Streptococcus mutans mutant producing increased bacteriocin.

abstract：:Selected anaerobic, capnophilic and facultative bacteria isolated from patients with various forms of periodontal health and disease were tested for their susceptibility to antibiotics and antimicrobial agents. Specific bactericidal and minimum inhibitory concentrations were compared to disc zone diameters, thereby ge...

journal_title：Journal of dental research

authors： Newman MG,Hulem C,Colgate J,Anselmo C

更新日期：1979-07-01 00:00:00

abstract：:Greater fluoride concentrations were obtained in enamel treated with phosphate/fluoride solutions than in that treated with TiF4 at similar pH's (1.0) and F concentrations (0.6M F and 1.6M F). However, fluoride solution without added phosphate at pH 1.0 and 1.6M F concentration produced lower fluoride concentrations i...

journal_title：Journal of dental research

authors： Clarkson B,Wefel J

更新日期：1979-02-01 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：:It is generally accepted that glass ionomers inhibit secondary caries in vivo, and data from in vitro studies support this effect. The aim of this review was a systematic assessment, from the literature, of clinical evidence for the ability of glass-ionomer restoratives to inhibit secondary caries at the restoration m...

journal_title：Journal of dental research

authors： Randall RC,Wilson NH

更新日期：1999-02-01 00:00:00

abstract：:Genetic approaches are rapidly yielding new information about our sense of taste. This information comes from both molecular studies of genes encoding taste receptors and other taste-signaling components, and from studies of inherited variation in taste abilities. Our understanding of bitter taste has advanced by comb...

journal_title：Journal of dental research

authors： Kim UK,Breslin PA,Reed D,Drayna D

更新日期：2004-06-01 00:00:00

abstract：:Light propagation in human dentin exhibits a strong directional dependence featuring the long-known optical magnification property. We hypothesized that this anisotropic effect is caused by multiple scattering at the dentin tubules, and not by fiberoptic effects, as had been previously assumed. We performed measuremen...

journal_title：Journal of dental research

authors： Kienle A,Michels R,Hibst R

更新日期：2006-10-01 00:00:00

abstract：:Angiogenesis and biomineral substrates play major roles in bone development and regeneration. We hypothesized that macroporous scaffolds of biomineralized 85:15 poly(lactide-co-glycolide), which locally release vascular endothelial growth factor-165 (VEGF), would direct simultaneous regeneration of bone and vascular t...

journal_title：Journal of dental research

authors： Murphy WL,Simmons CA,Kaigler D,Mooney DJ

更新日期：2004-03-01 00:00:00

abstract：:In this study, the differences in lesion remineralization and fluoride uptake after brushing with a 300 ppm F or a 1000 ppm F dentifrice (as NaF) were investigated. Twenty volunteers with partial dentures in their lower jaws were divided into two groups. Bovine enamel slabs with artificial lesions were mounted in the ...

journal_title：Journal of dental research

authors： De Kloet HJ,Exterkate RA,Rempt HE,Ten Cate JM

更新日期：1986-12-01 00:00:00

abstract：:Molar teeth of four groups of Osborne-Mendel rats, kept on a cariogenic diet, were treated once per day for 48 days with either distilled water (solution C), a solution containing 0.05% chlorhexidine gluconate and 0.04% NaF, pH 5.8 (solution CXF), CXF plus 1000 ppm Sr (solution CXFS), or CXFS plus 1000 ppm Zn (solutio...

journal_title：Journal of dental research

authors： Luoma H,Seppä L,Koskinen M,Syrjänen S

更新日期：1984-10-01 00:00:00

abstract：:The cariostatic benefit from water fluoridation is indisputable, but the knowledge of possible adverse effects on bone and fracture risk due to fluoride exposure is ambiguous. The association between long-term (chronic) drinking water fluoride exposure and hip fracture (ICD-7-9: '820' and ICD-10: 'S72.0-S72.2') was as...

journal_title：Journal of dental research

authors： Näsman P,Ekstrand J,Granath F,Ekbom A,Fored CM

更新日期：2013-11-01 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：:Dimensional alterations of the facial bone wall following tooth extractions in the esthetic zone have a profound effect on treatment outcomes. This prospective study in 39 patients is the first to investigate three-dimensional (3D) alterations of facial bone in the esthetic zone during the initial 8 wks following flap...

journal_title：Journal of dental research

authors： Chappuis V,Engel O,Reyes M,Shahim K,Nolte LP,Buser D

更新日期：2013-12-01 00:00:00

abstract：:Although certain bacterial species appear to be risk factors for pain due to odontogenic infections, comparatively little is known about the potential mechanisms mediating this effect. In this study, we tested the hypothesis that trigeminal nociceptive neurons express the TLR4 or CD14 receptors, thus enabling sensory ...

journal_title：Journal of dental research

authors： Wadachi R,Hargreaves KM

更新日期：2006-01-01 00:00:00

abstract：:In this study, we first investigated the expressions of Jagged1, Notch2, the receptor activator of nuclear factor-kappa B ligand (RANKL), and interleukin (IL)-6 in areas of root resorption during experimental tooth movement in rats in vivo. We then assessed the effects of compression force (CF) with or without GSI (an...

journal_title：Journal of dental research

authors： Kikuta J,Yamaguchi M,Shimizu M,Yoshino T,Kasai K

更新日期：2015-01-01 00:00:00

abstract：:IL-18 is a pro-inflammatory cytokine that is important in the regulation of T-cells and is elevated in inflammatory disorders such as periodontal disease. Vasoactive intestinal peptide (VIP) modulates immune responses to the periodontal pathogen Porphyromonas gingivalis (Pg). Our objective was to investigate the effec...

journal_title：Journal of dental research

authors： Foster N,Andreadou K,Jamieson L,Preshaw PM,Taylor JJ

更新日期：2007-09-01 00:00:00

abstract：:The diagnosis of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection relies on the detection of viral RNA by real-time reverse transcription polymerase chain reaction (rRT-PCR) performed with respiratory specimens, especially nasopharyngeal swabs. However, this procedure requires specialized medical...

journal_title：Journal of dental research

authors： Azzi L,Maurino V,Baj A,Dani M,d'Aiuto A,Fasano M,Lualdi M,Sessa F,Alberio T

更新日期：2021-02-01 00:00:00

abstract：:Despite the recognized link between aging and cancer, most preclinical studies in experimental tumor models are conducted with 6- to 8-wk-old rodents. The goal of the present study was to examine the impact of age on tumor incidence, growth, and microenvironmental characteristics in mouse models of head and neck squam...

journal_title：Journal of dental research

authors： Vincent-Chong VK,DeJong H,Rich LJ,Patti A,Merzianu M,Hershberger PA,Seshadri M

更新日期：2018-10-01 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：:The aim of this study was to determine whether the parotid gland, like other salivary glands, produces blood group antigens. A post-embedding immunogold staining (IGS) method for ABH antigens was applied to osmicated and nonosmicated, routinely prepared specimens of normal human parotid glands. A and B antigens were n...

journal_title：Journal of dental research

authors： Lantini MS,Cossu M

更新日期：1994-02-01 00:00:00

abstract：:During porcelainization the non-preoxidized alloy develops a Be-rich reaction zone in the interface which separates a Be-depleted alloy from a Li and (to a lesser extent Na) depleted region of the ceramic. Thus, Be diffuses to the interface through the alloy Be degrees leads to Be++ + 2 e- occurs at the interface; som...

journal_title：Journal of dental research

authors： Williams TR,Johnson CE,Winchell PG,Philips RW

更新日期：1978-02-01 00:00:00

abstract：:The gingival microbiota in beagle dogs was investigated during a period of 42 days after the placement of continuous wire and arch bar splints. The splints were found to induce an increase in helicoidal-shaped micro-organisms and black-pigmented Bacteroides. Two different asaccharolytic Bacteroides types were isolated...

journal_title：Journal of dental research

authors： Mikx FH,Ngassapa DN,Reijntjens FM,Maltha JC

更新日期：1984-11-01 00:00:00

abstract：:For restoring cavitated dental lesions, whether carious or not, a large number of material combinations are available. We aimed to systematically review and synthesize data of comparative dental restorative trials. A systematic review was performed. Randomized controlled trials published between 2005 and 2015 were inc...

journal_title：Journal of dental research

authors： Schwendicke F,Göstemeyer G,Blunck U,Paris S,Hsu LY,Tu YK

更新日期：2016-06-01 00:00:00

abstract：:The histopathologic status of gingival tissue was assessed according to the criteria of Page and Schroeder.(5) Rhodamine-labeled bacteria were used to assess the antigenic specificity of plasma cells in the tissue. Examination of tissue sections revealed that 31.6% of plasma cells in the advanced lesions bound the lab...

journal_title：Journal of dental research

authors： Kagan JM

更新日期：1980-11-01 00:00:00

abstract：:Samples of a base mental alloy were cast and welded together using a conventional welding procedure. The joints were loaded and placed either in a corrosive environment or in air for varying time periods. The tensile and shear strength of the joints was unaffected by the corrosive environment, and the joints, despite ...

journal_title：Journal of dental research

authors： MacEntee MI,Hawbolt EB,Zahel JI

更新日期：1981-02-01 00:00:00

abstract：:Ammoniacal silver stain showed that there was a decrease in nucleohistones in zinc-deficient rat buccal hyperplastic epithelium as compared to control. Autoradiographic study showed that there was decreased incorporation of 3H-arginine and 3H-lysine in the hyperplastic epithelium. ...

journal_title：Journal of dental research

authors： Chen SY

更新日期：1977-12-01 00:00:00

abstract：:The aim of this study was to investigate the involvement of autoimmune reactions to native and post-translationally modified extracellular matrix components in the pathogenesis of periodontitis. Sera from individuals with aggressive periodontitis (AgP, n = 25), chronic periodontitis (CP, n = 14), and gingivitis (G, n ...

journal_title：Journal of dental research

authors： Hendler A,Mulli TK,Hughes FJ,Perrett D,Bombardieri M,Houri-Haddad Y,Weiss EI,Nissim A

更新日期：2010-12-01 00:00:00

abstract：:Previous studies showed that residual compressive stresses induced by thermal tempering retarded the growth of surface cracks in bilayered porcelain disks. The objectives of the present study were: (1) to determine whether thermal tempering by air blasting reduces the length of cracks induced by microhardness indentat...

journal_title：Journal of dental research

authors： DeHoff PH,Anusavice KJ,Vontivillu SB

更新日期：1996-02-01 00:00:00

abstract：:Local administrations of prostaglandins E1 or E2 combined with orthodontic tooth movement can approximately double the rate of tooth movement in monkeys compared to that of the control. Macroscopically, no side-effect was observed in the gingiva and associated structures. ...

journal_title：Journal of dental research

authors： Yamasaki K,Shibata Y,Fukuhara T

更新日期：1982-12-01 00:00:00

abstract：:Medication-related osteonecrosis of the jaw (MRONJ), although initially believed to be exclusively associated with bisphosphonates, has been implicated in recent reports with additional drugs, especially the bone antiresorptive denosumab. The pathophysiology has not been fully elucidated, and no causal association bet...

journal_title：Journal of dental research

authors： Katsarelis H,Shah NP,Dhariwal DK,Pazianas M

更新日期：2015-04-01 00:00:00

abstract：:The initiator of calculus matrix calcification, in vitro, was isolated. Crude phospholipid, known to contain the factor, was separated into five fractions by column chromatography. A single protein-containing fraction induced apatite formation during incubation. The nucleating fraction was indentified as a proteolipid...

journal_title：Journal of dental research

authors： Ennever J,Vocel JJ,Riggan LJ,Paloski SB

更新日期：1977-02-01 00:00:00