Antibacterial susceptibility of plaque bacteria.

abstract：:A search was made for expression of genes for proline-rich proteins (PRPs) and other salivary-type proteins, including statherin and histatins, in taste-bud tissues of mice and primates because of previous genetic findings in mice (Azen et al., 1986) that Prp and taste genes for certain bitter substances are either th...

journal_title：Journal of dental research

authors： Azen EA,Hellekant G,Sabatini LM,Warner TF

更新日期：1990-11-01 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：:Previous studies have clearly established the down-regulating effect of a sucrose-rich diet on primary dentinogenesis in rat molars. Earlier observation of the negative effect of a high-sucrose diet on a parotid function involved in the control of intradentinal solute movement led us to hypothesize that parotid gland ...

journal_title：Journal of dental research

authors： Leonora J,Tjäderhane L,Tieche JM

更新日期：2002-04-01 00:00:00

abstract：:Growth factors such as epidermal growth factor (EGF) and transforming growth factor-alpha (TGF-alpha) play an important role in cell proliferation during embryogenesis. The purposes of the study were to characterize the expression patterns of EGF and TGF-alpha and their receptor, EGF receptor (EGF-R), and to analyze r...

journal_title：Journal of dental research

authors： Iamaroon A,Tait B,Diewert VM

更新日期：1996-08-01 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：:We analyzed the flow rate and composition of paraffin-stimulated whole saliva samples from 35 adult diabetic patients and their age- and sex-matched, non-diabetic, clinically healthy controls. All patients had insulin-dependent diabetes (IDDM) with a mean (+/- S.D.) duration of 14.0 +/- 9.1 years. The saliva analysis ...

journal_title：Journal of dental research

authors： Tenovuo J,Lehtonen OP,Viikari J,Larjava H,Vilja P,Tuohimaa P

更新日期：1986-01-01 00:00:00

abstract：:Loss of hybrid layer integrity compromises resin-dentin bond stability. Matrix metalloproteinases (MMPs) may be partially responsible for hybrid layer degradation. Since chlorhexidine inhibits MMPs, we hypothesized that chlorhexidine would decelerate the loss of resin-dentin bonds. Class I preparations in extracted th...

journal_title：Journal of dental research

authors： Carrilho MR,Carvalho RM,de Goes MF,di Hipólito V,Geraldeli S,Tay FR,Pashley DH,Tjäderhane L

更新日期：2007-01-01 00:00:00

abstract：:Chemotherapeutics are presently considered for use in caries-preventive programs. The laboratory and in vivo testing of these agents, to some extent, parallels the methodology developed for the evaluation of fluoride products. However, fluoride is primarily effective by interfering with the de- and remineralization ba...

journal_title：Journal of dental research

authors： ten Cate JM,Marsh PD

更新日期：1994-03-01 00:00:00

abstract：:The cariostatic effect of resin-modified glass ionomer (RMGI) on secondary root caries is well-documented. However, this beneficial effect may be dependent upon the mode of cavity surface treatment. To investigate this relationship, we studied 4 cavity surface treatments prior to the placement of RMGI: no treatment (N...

journal_title：Journal of dental research

authors： AL-Helal AS,Armstrong SR,Xie XJ,Wefel JS

更新日期：2003-02-01 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：: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：: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 following five outlines are the results to date of the Workshop held in Rockville, Maryland, in January, 1990. The topics considered in these outlines are: (1) validation of immunological and/or nucleic acid identification probes, (2) cross-calibration of methods and/or laboratories for multi-laboratory cooperativ...

journal_title：Journal of dental research

authors： Krichevsky MI

更新日期：1991-03-01 00:00:00

abstract：:In 1986, the first nationwide epidemiological survey of adult oral health and attitudes to oral health care was carried out in The Netherlands. One of the aims of this study was to evaluate the prevalence and the quality (in terms of need for replacement) of amalgam and composite restorations in the Dutch adult popula...

journal_title：Journal of dental research

authors： Kroeze HJ,Plasschaert AJ,van 't Hof MA,Truin GJ

更新日期：1990-06-01 00:00:00

abstract：:The bactericidal effect of hexylresorcinol was assessed using bacterial aggregates. Increased drug concentration resulted in decreased survival of bacteria when the aggregates were exposed to hexylresorcinol for at least eight hours. This indicates that this drug may be effective against dental plaque only when availa...

journal_title：Journal of dental research

authors： Kraal JH,Hussain AA,Gregorio SB,Akaho E

更新日期：1979-11-01 00:00:00

abstract：:In the absence of active pulmonary disease, mycobacterial infection frequently causes arthritis and can be considered to initiate autoimmune diseases such as rheumatoid arthritis. Temporomandibular disorder (TMD) is a disease in which pain and impaired mandibular movement appear to arise directly from degenerative or ...

journal_title：Journal of dental research

authors： Adachi N,Matsumoto S,Tokuhisa M,Kobayashi K,Yamada T

更新日期：2000-10-01 00:00:00

abstract：:Masticatory muscle silent periods were compared in normal subjects and in patients with MPD syndrome before and after a variety of psychological, physiological, and pharmacological forms of therapy. All patients initially showed prolonged silent periods in one or more of the muscles. There was a direct relationship be...

journal_title：Journal of dental research

authors： Skiba TJ,Laskin DM

更新日期：1981-03-01 00:00:00

abstract：:Decisions to replace existing restorations are often based on clinical findings of margin discrepancies and other restoration defects. Previous studies have suggested that such findings do not correlate well with the actual presence of secondary caries, and that treatment should be deferred until caries is clinically ...

journal_title：Journal of dental research

authors： Hewlett ER,Atchison KA,White SC,Flack V

更新日期：1993-12-01 00:00:00

abstract：:Dental pulp regeneration therapy for the pulpless tooth has attracted recent attention, and clinical trial studies are underway with the tissue engineering approach. However, there remain many concerns, including the extended period for regenerating the dental pulp. In addition, the use of scaffolds increases the risk...

journal_title：Journal of dental research

authors： Itoh Y,Sasaki JI,Hashimoto M,Katata C,Hayashi M,Imazato S

更新日期：2018-09-01 00:00:00

abstract：:A complex feedback mechanism between parathyroid hormone (PTH), 1,25(OH)2D3 (1,25D), and fibroblast growth factor 23 (FGF-23) maintains mineral homeostasis, in part by regulating calcium and phosphate absorption/reabsorption. Previously, we showed that 1,25D regulates mineral homeostasis by repressing dentin matrix pr...

journal_title：Journal of dental research

authors： Wang L,Tran AB,Nociti FH Jr,Thumbigere-Math V,Foster BL,Krieger CC,Kantovitz KR,Novince CM,Koh AJ,McCauley LK,Somerman MJ

更新日期：2015-10-01 00:00:00

abstract：:The human temporalis and masseter muscles are not activated homogeneously during static bite force tasks. In this study, we studied the possible existence of regional differences in these muscles under dynamic conditions. Electromyographic (EMG) activity was recorded by means of bipolar fine-wire electrodes. Six elect...

journal_title：Journal of dental research

authors： Blanksma NG,van Eijden TM

更新日期：1995-06-01 00:00:00

abstract：:Although osteoporosis is a major public health concern, the effect of this condition on oral bone has not been determined. Using the ovariectomized rat as a model, we examined whether acute estrogen depletion affects the mandible of the ovariectomized rat with and without maxillary molar extraction. Twenty-two ovariec...

journal_title：Journal of dental research

authors： Elovic RP,Hipp JA,Hayes WC

更新日期：1994-11-01 00:00:00

abstract：:Mesenchymal stem cells isolated from different dental tissues have been described to have osteogenic/odontogenic-like differentiation capacity, but little attention has been paid to the biochemical composition of the material that each produces. Here, we used Raman spectroscopy to analyze the mineralized materials pro...

journal_title：Journal of dental research

authors： Volponi AA,Gentleman E,Fatscher R,Pang YW,Gentleman MM,Sharpe PT

更新日期：2015-11-01 00:00:00

abstract：:Heterozygous mutations in the RUNX2 (CBFA1) gene cause cleidocranial dysplasia, characterized by multiple supernumerary teeth. This suggests that Runx2 inhibits successional tooth formation. However, in Runx2 knockout mice, molar development arrests at the late bud stage, and lower molars are more severely affected th...

journal_title：Journal of dental research

authors： Wang XP,Aberg T,James MJ,Levanon D,Groner Y,Thesleff I

更新日期：2005-02-01 00:00:00

abstract：:The pathophysiology of painful temporomandibular disorders is not fully understood, but evidence suggests that muscle pain modulates motor function in characteristic ways. This study tested the hypothesis that activation of nociceptive muscle afferent fibers would be linked to an increased excitability of the human ja...

journal_title：Journal of dental research

authors： Wang K,Arendt-Nielsen L,Svensson P

更新日期：2002-09-01 00:00:00

abstract：:The aim of the present study was to describe the patterns of dental fluorosis in the primary and the permanent dentition of children born and reared in two different fluoridated areas, one in which powdered milk suspended in tap water was commonly used (Narssaq, Greenland: 1.1 ppm fluoride in the water) and one in whi...

journal_title：Journal of dental research

authors： Larsen MJ,Senderovitz F,Kirkegaard E,Poulsen S,Fejerskov O

更新日期：1988-05-01 00:00:00

abstract：:A single logistic curve was fitted to serial data for three cranial base lengths (S-N, Ba-N, and Ba-S) in 33 boys and 26 girls. Elongation during pubescence plus adolescence is greater in boys than girls for each length. The maximum rate of pubescent elongation occurs earliest in Ba-N. There are no consistent sex diff...

journal_title：Journal of dental research

authors： Roche AF,Lewis AB,Wainer H,McCartin R

更新日期：1977-07-01 00:00:00

abstract：:The periodontium contains heterogeneous mesenchymal cell populations with various differentiation potentials. The capacity of these cells for tissue formation as well as the origin of their precursors are still not entirely defined. In this study, cells originating from different periodontal tissues were cultured in v...

journal_title：Journal of dental research

authors： Lang H,Schüler N,Arnhold S,Nolden R,Mertens T

更新日期：1995-05-01 00:00:00

abstract：:We tested whether orthodontic tooth movement (OTM) could be blocked by local administration of echistatin or an arginine-glycine-aspartic acid (RGD) peptide, agents known to perturb bone remodeling, adjacent to maxillary molars in rats. These molecules were incorporated into ethylene-vinyl acetate (ELVAX), a non-biode...

journal_title：Journal of dental research

authors： Dolce C,Vakani A,Archer L,Morris-Wiman JA,Holliday LS

更新日期：2003-09-01 00:00:00

abstract：:Samples of plaque and surface enamel were collected from 80 boys aged 14 years living in five communities in Ohio (USA). Mean (+/- SE) strontium concentrations in plaque were 1.43 +/- 0.18 micrograms/g (wet) and 12.34 +/- 1.63 micrograms/g (dry). For surface enamel, the mean concentration was 421 +/- 31 micrograms Sr/...

journal_title：Journal of dental research

authors： Curzon ME

更新日期：1985-12-01 00:00:00