Ca2+- and Mg2+-activated ATP hydrolysis in human tooth pulp.

abstract：:During orofacial tissue development, the anterior and posterior regions of the Meckel's cartilage undergo mineralization, while the middle region undergoes degeneration. Despite the interesting and particular phenomena, the mechanisms that regulate the different fates of Meckel's cartilage, including the effects of bi...

journal_title：Journal of dental research

authors： Farahat M,Kazi GAS,Hara ES,Matsumoto T

更新日期：2021-02-01 00:00:00

abstract：:Artificial white spot lesions have been prepared on bovine enamel surfaces by the controlled addition of lactate buffer containing methylhydroxydiphosphonate ions. The rates of remineralization have been measured using a constant composition method in solutions of calcium phosphate of low supersaturation. Deposition o...

journal_title：Journal of dental research

authors： de Rooij JF,Nancollas GH

更新日期：1984-06-01 00:00:00

abstract：:Treatment of bisphosphonate-related osteonecrosis of the jaw (BRONJ) has posed significant challenges to maxillofacial surgeons because of the poor repair of BRONJ bone defects. Moreover, the pathological mechanisms remain unclear. Bone marrow stromal cells (BMSCs) play key roles during bone repair and bone regenerati...

journal_title：Journal of dental research

authors： He LH,Xiao E,An JG,He Y,Chen S,Zhao L,Zhang T,Zhang Y

更新日期：2017-05-01 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：:A procedure for measuring nasal airway resistance using posterior rhinorheometry is described. Baseline nasal airway resistances +/- 1 S.D. at an airflow of 0.5 L/sec were found to be 1.077 +/- 0.683 cm H2O for inhalation and 1.359 +/- 0.792 cm H2O for exhalation. Application of either cold water (4 to 6 C) or warm wa...

journal_title：Journal of dental research

authors： Martin JS,Tansy MF

更新日期：1977-11-01 00:00:00

abstract：:The type of attachment that is used in oral rehabilitation by means of implant-retained mandibular overdentures may influence the retention and the stability of the denture. In this study, we examined the hypothesis that a better retention and stability of the denture improve the oral function. Eighteen edentulous sub...

journal_title：Journal of dental research

authors： van Kampen FM,van der Bilt A,Cune MS,Bosman F

更新日期：2002-03-01 00:00:00

abstract：:In mineralizing hamster molars, the influence of several inhibitors on p-NPP-ase has been demonstrated, and compared with their effect on PPi-ase, known to belong to the same enzyme. Whereas the latter activity is much more physiological, p-NPP is a better substrate to distinguish between the effects of bivalent catio...

journal_title：Journal of dental research

authors： Wöltgens JH

更新日期：1977-10-01 00:00:00

abstract：:Samples of dental plaque obtained from the interproximal tooth surfaces of seven young men showed considerable variation in the prevalence and anatomic site distribution of the potentially cariogenic microorganism S mutans. Multiple application of 10% SnF2 topical solution and saline solution delivered to interproxima...

journal_title：Journal of dental research

authors： Keene HJ,Shklair IL,Mickel GJ

更新日期：1977-01-01 00:00:00

abstract：:Mixtures containing two bacterial species were analyzed using flow cytometric techniques. Light scattering characteristics of Streptococcus mutans and Actinomyces viscosus show unique profiles for pure cultures. However, the light scatter analysis of a mixture containing these two species demonstrates overlapping near...

journal_title：Journal of dental research

authors： Barnett JM,Cuchens MA,Buchanan W

更新日期：1984-08-01 00:00:00

abstract：:The experiment was designed to determine the pathway taken to the brain stem by periodontal afferents responsible for the digastric jaw-opening reflex induced by tooth-tapping. Cutting the trigeminal sensory roots of anesthetized decerebrate cats eliminated the ipsilateral periodontally-induced reflex, although the st...

journal_title：Journal of dental research

authors： Collier TG,Lund JP

更新日期：1987-10-01 00:00:00

abstract：:A numerical model of the mandible, its articulating surfaces, and the forces exerted by the primary masticatory muscles has been developed for the purpose of investigating loading of the temporomandibular joint. Evidence is presented which shows that the temporomandibular joint. Evidence is presented which shows that ...

journal_title：Journal of dental research

authors： Smith DM,McLachlan KR,McCall WD Jr

更新日期：1986-08-01 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：:To determine the 'hard palate representing' area in the primary somatosensory cortex, we recorded somatosensory-evoked magnetic fields from the cortex in ten healthy volunteers, using magnetoencephalography. Following electrical stimulation of 3 sites on the hard palate (the first and third transverse palatine ridges,...

journal_title：Journal of dental research

authors： Bessho H,Shibukawa Y,Shintani M,Yajima Y,Suzuki T,Shibahara T

更新日期：2007-03-01 00:00:00

abstract：:Human tooth wear occurs so slowly that traditionally it has needed months or years to be measurable. This study showed that microscopic changes in wear patterns on human teeth could be detected in a matter of days and could be used as indicators of rates of wear. Thus, daily or weekly changes in rates of wear can be d...

journal_title：Journal of dental research

authors： Teaford MF,Tylenda CA

更新日期：1991-03-01 00:00:00

abstract：:Minimizing patient exposure while maintaining a diagnostically acceptable radiograph is a major goal in diagnostic radiography. Rare-earth filters may be the means to achieve this goal due to their "band-pass effect". The purpose of this study was to examine the image contrast effects and exposure reductions for vario...

journal_title：Journal of dental research

authors： Mauriello SM,Washburn DB,Matteson SR

更新日期：1987-08-01 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：:Studies have shown that prevention of mutans streptococci (MS) colonization in early childhood can lead to prevention of dental decay. In the microbiological part of the present study in Ylivieska, Finland, with 195 mothers with high salivary MS levels, regular maternal use of xylitol chewing gum resulted in a statist...

journal_title：Journal of dental research

authors： Isokangas P,Söderling E,Pienihäkkinen K,Alanen P

更新日期：2000-11-01 00:00:00

abstract：:Tooth enamel is the most highly mineralized tissue in vertebrates. Enamel crystal formation and elongation should be well controlled to achieve an exceptional hardness and a compact microstructure. Enamel matrix calcification occurs with several matrix proteins, such as amelogenin, enamelin, and ameloblastin. Among th...

journal_title：Journal of dental research

authors： Cho ES,Kim KJ,Lee KE,Lee EJ,Yun CY,Lee MJ,Shin TJ,Hyun HK,Kim YJ,Lee SH,Jung HS,Lee ZH,Kim JW

更新日期：2014-10-01 00:00:00

abstract：:Gingiva from alloxan and streptozotocin-diabetic rats exhibited markedly enhanced collagenolytic activity in tissue culture. This effect was eliminated by puromycin or by repeated freeze-thawing of the tissue prior to incubation. Soluble extracts of the diabetic gingiva in situ were found to contain breakdown products...

journal_title：Journal of dental research

authors： Golub LM,Schneir M,Ramamurthy NS

更新日期：1978-03-01 00:00:00

abstract：:We have previously reported the clinical and radiographic findings of a trial in dogs of a new dental implant system after a functional period of eight months. The present report consists of the corresponding qualitative and quantitative histological data. The implant system was fabricated from Ti-6A1-4V and employed ...

journal_title：Journal of dental research

authors： Deporter DA,Watson PA,Pilliar RM,Howley TP,Winslow J

更新日期：1988-09-01 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：:A method of articulator comparison and a technique demonstrating the effects of three occlusal determinants were demonstrated and proved successful. The techniques used could be used in dental research circumstances and in dental schools as a means to study the determinants of occlusion. ...

journal_title：Journal of dental research

authors： Finger IM,Foreman D,Tanaka H

更新日期：1976-11-01 00:00:00

abstract：:The effects of various additives on the setting of the glass-ionomer cement system was studied by means of cone and plate viscometry. The action of (+)-tartaric acid, the most important additive, on the setting reaction depended on its concentration. Low concentrations accelerated the development of viscosity of the c...

journal_title：Journal of dental research

authors： Hill RG,Wilson AD

更新日期：1988-12-01 00:00:00

abstract：:Glass-ionomer cements (GICs) are regarded as aqueous gels made up of polyalkenoic acid salts containing ion-leachable glass fillers. The consequence of water permeation across the GIC-dentin interface is unknown. This study used SEM, field-emission/environmental SEM (FE-ESEM), and TEM to examine the ultrastructure of ...

journal_title：Journal of dental research

authors： Yiu CK,Tay FR,King NM,Pashley DH,Sidhu SK,Neo JC,Toledano M,Wong SL

更新日期：2004-04-01 00:00:00

abstract：:Bilateral resections of the superficial masseter, posterior temporal, and anterior digastric muscles of rats were done to determine their effects on mandibular growth. The macroscopic findings support the functional matrix theory of mandibular growth. The analysis of body weight and the statistical two-way analysis of...

journal_title：Journal of dental research

authors： Lifshitz J

更新日期：1976-09-01 00:00:00

abstract：:Lipopolysaccharide (LPS) from the Gram-negative pathogen Porphyromonas gingivalis (Pg) stimulates cytokine secretion in immune cells, and thereby initiates the inflammation associated with periodontitis. Modulation of pro-inflammatory cytokine activity is a plausible therapeutic target in periodontal disease. Vasoacti...

journal_title：Journal of dental research

authors： Foster N,Cheetham J,Taylor JJ,Preshaw PM

更新日期：2005-11-01 00:00:00

abstract：:Teeth undergo postnatal organogenesis relatively late in life and only complete full maturation a few years after the crown first erupts in the oral cavity. At this stage, development can be arrested if the tooth organ is damaged by either trauma or caries. Regenerative endodontic procedures (REPs) are a treatment alt...

journal_title：Journal of dental research

authors： Song JS,Takimoto K,Jeon M,Vadakekalam J,Ruparel NB,Diogenes A

更新日期：2017-06-01 00:00:00

abstract：:The dentition in zebrafish is extremely and richly vascularized, but the function of the vasculature, in view of the continuous replacement of the teeth, remains elusive. Through application of SU5416, a vascular endothelial growth factor receptor inhibitor, we studied the role of the blood vessels in the dentition of...

journal_title：Journal of dental research

authors： Crucke J,Huysseune A

更新日期：2015-01-01 00:00:00

abstract：:Selected reference and freshly isolated strains of Streptococcus mitis (mitior) and Streptococcus sanguis were assayed for cell-associated neuraminidase activity by their ability to hydrolyze [3H-] sialyllactitol. A cell-associated neuraminidase was detected with S. mitis and S. sanguis serotype II (reclassified as S....

journal_title：Journal of dental research

authors： Murray PA,Levine MJ,Tabak LA,Reddy MS

更新日期：1984-02-01 00:00:00

abstract：:The effects of substituting gluconate for extracellular Cl, and of treatment with various ion transport blockers, on cytosol pH (pHi) and secretion by the acetylcholine stimulated rat mandibular gland were studied in vitro. Gluconate replacement increased pHi from 7.12 +/- 0.02 to 7.27 +/- 0.04, caused secretory rate ...

journal_title：Journal of dental research

authors： Young JA,Cook DI,Evans LA,Pirani D

更新日期：1987-02-01 00:00:00