Parotid gland function and dentin apposition in rat molars.

abstract：:Stress-induced changes imparted in a 'dentin-bonded-crown' material during sintering, annealing, pre-cementation surface modification, and resin coating have been visualized by profilometry. The hypothesis tested was that operative techniques modify the stressing pattern throughout the material thickness. We polished ...

journal_title：Journal of dental research

authors： Isgró G,Addison O,Fleming GJ

更新日期：2010-01-01 00:00:00

abstract：:Investigations of the maturation pattern of rat incisor enamel by quantitative electron microscopy and electron-probe microanalysis indicate that mineralization of rat enamel can be regarded, as in humans, as a regular and progressive process pattern of enamel matrix formation. The species variations that have been pr...

journal_title：Journal of dental research

authors： Glick PL

更新日期：1979-03-01 00:00:00

abstract：:The object of the present study was an attempt to relate fluoride concentration in enamel, caries experience, and the degree of fluorosis in a community residing in an area with a high level of fluoride. A significant difference was found between the male and female samples for the F and D parameters. A positive corre...

journal_title：Journal of dental research

authors： Bischoff JI,van der Merwe EH,Retief DH,Barbakow FH,Cleaton-Jones PE

更新日期：1976-01-01 00:00:00

abstract：:Periostin is a mesenchymal cell marker predominantly expressed in collagen-rich fibrous connective tissues, including heart valves, tendons, perichondrium, periosteum, and periodontal ligament (PDL). Knockdown of periostin expression in mice results in early-onset periodontitis and failure of cardiac healing after acu...

journal_title：Journal of dental research

authors： Yamada S,Tauchi T,Awata T,Maeda K,Kajikawa T,Yanagita M,Murakami S

更新日期：2014-09-01 00:00:00

abstract：:Apoptosis plays important roles in various stages of organogenesis. In this study, we hypothesized that apoptosis would play an important role in tooth morphogenesis. We examined the role of apoptosis in early tooth development by using a caspase inhibitor, z-VAD-fmk, concomitant with in vitro organ culture and tooth ...

journal_title：Journal of dental research

authors： Kim JY,Cha YG,Cho SW,Kim EJ,Lee MJ,Lee JM,Cai J,Ohshima H,Jung HS

更新日期：2006-06-01 00:00:00

abstract：:The effects of Escherichia coli endotoxin upon mouse L929 cell proliferation, DNA synthesis, protein synthesis, and proline incorporation were determined. It was found that a level of endotoxin which inhibited cell proliferation prompted a similar inhibition of DNA synthesis and overall cell protein synthesis. In cont...

journal_title：Journal of dental research

authors： Singer RE,Dutton WG

更新日期：1979-06-01 00:00:00

abstract：:Enamel abraders used in two-body wear tests suffer the disadvantage that standardization is difficult or impossible to obtain. The aim of this study was to test whether steatite (a ceramic material with a Vickers Hardness similar to that of enamel) could be used as a satisfactory human enamel analogue. The friction an...

journal_title：Journal of dental research

authors： Wassell RW,McCabe JF,Walls AW

更新日期：1994-09-01 00:00:00

abstract：:In an attempt to determine the degree of co-activation present in selected cervical muscles during clenching, we instructed 12 male subjects to produce four brief maximum voluntary contraction (MVC) efforts (clenching) in a position of maximum intercuspation. Surface EMG activity was recorded bilaterally from the mass...

journal_title：Journal of dental research

authors： Clark GT,Browne PA,Nakano M,Yang Q

更新日期：1993-11-01 00:00:00

abstract：:The effect of a topical fluoride regimen consisting of a four-minute pre-treatment with a saturated dicalcium phosphate dihydrate (DCPD) solution followed by a four-minute application of APF was compared with that of a four-minute application of APF alone with respect to the deposition of fluoride in enamel in an apat...

journal_title：Journal of dental research

authors： Crall JJ,Bjerga JM

更新日期：1986-03-01 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：:A previously reported technique for staining areas of degradation in dental composite restorations was evaluated in 51 removed restorations. The staining reagent was silver nitrate, which penetrated the degraded subsurface as ionic silver and was subsequently developed into colored deposits of metallic silver. Several...

journal_title：Journal of dental research

authors： Mair LH

更新日期：1991-03-01 00:00:00

abstract：:The cartilaginous nasal septa of 28 albino rats were marked with pairs of wire implants. Measurements obtained from cephalometric radiographs taken at 30 and 60 days revealed that the implants invariably separatd and did so at a rate that was highly correlated with the growth of the rest of the snout. ...

journal_title：Journal of dental research

authors： Catala AE,Johnston LE Jr

更新日期：1980-08-01 00:00:00

abstract：:Improved mechanical properties of resin composites have been reported to be a consequence of the addition of aldehyde to the resins. The objective of the present study was to examine whether this improvement could be attributed to an increased degree of conversion of double bonds. For this purpose, propanal was added ...

journal_title：Journal of dental research

authors： Peutzfeldt A

更新日期：1994-10-01 00:00:00

abstract：:Recent reports have suggested functional interactions between the masticatory and head motor systems. However, the neurophysiological mechanisms behind these phenomena have not been thoroughly investigated. In this study, the motor unit activity was recorded bilaterally from the dorsal neck splenius muscles (SPL) whil...

journal_title：Journal of dental research

authors： Zeredo JL,Toda K,Soma K

更新日期：2003-05-01 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：:The objective of this study was to assess the relative effects of age and oral hygiene on the progression of periodontitis by estimating incidence from age-specific prevalence. This study analyzed data from a representative national sample of 14,690 dentate Americans, aged from 15 to 74, seen in the first National Hea...

journal_title：Journal of dental research

authors： Abdellatif HM,Burt BA

更新日期：1987-01-01 00:00:00

abstract：:The sensitizing potential of three periodontal dressing materials was evaluated by the guinea pig maximization test. The results indicated a difference in the sensitization rate of the three materials. ...

journal_title：Journal of dental research

authors： Haugen E,Hensten-Pettersen A

更新日期：1978-11-01 00:00:00

abstract：:The spatial relationship of the mandibular condyle to the temporal component of the TMJ is determined quantitatively from lateral tomograms using a new method of measuring specific areas of the joint space. Condyle position along the posteroanterior axis of the joint is expressed as a ratio of the posterior joint spac...

journal_title：Journal of dental research

authors： Blaschke DD,Blaschke TJ

更新日期：1981-01-01 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：:Dental diseases are now viewed as a consequence of a deleterious shift in the balance of the normally stable resident oral microbiome. It is known that frequent carbohydrate consumption or reduced saliva flow can lead to caries, and excessive plaque accumulation increases the risk of periodontal diseases. However, whe...

journal_title：Journal of dental research

authors： Rosier BT,Marsh PD,Mira A

更新日期：2018-04-01 00:00:00

abstract：:Dentin sialoprotein (DSP) and dentin phosphoprotein (DPP) are expressed as a single mRNA transcript coding for a large precursor protein termed dentin sialophosphoprotein (DSPP). DSP, DPP, and DSPP have been considered to be tooth-specific. To test for the expression of the dspp gene in bone, we performed Western immu...

journal_title：Journal of dental research

authors： Qin C,Brunn JC,Cadena E,Ridall A,Tsujigiwa H,Nagatsuka H,Nagai N,Butler WT

更新日期：2002-06-01 00:00:00

abstract：:Joining a brittle veneer to a strong ceramic core with an adhesive offers potential benefits over current fabrication methods for all-ceramic crowns. We tested the hypothesis that such joining can withstand subsurface radial cracking in the veneer, from enhanced flexure in occlusal loading, as well as in the core. Cri...

journal_title：Journal of dental research

authors： Lee JJ,Kwon JY,Bhowmick S,Lloyd IK,Rekow ED,Lawn BR

更新日期：2008-04-01 00:00:00

abstract：:Various etching methods are examined with respect to their ability to induce the surface nucleation and growth of fluorapatite from solutions of low, sustained supersaturation with respect to hydroxyapatite and fluorapatite. The constant composition kinetics method enables the rates of remineralization to be precisely...

journal_title：Journal of dental research

authors： Amjad Z,Koutsoukos PG,Nancollas GH

更新日期：1982-09-01 00:00:00

abstract：:Inflammatory conditions as they occur during periodontal disease often result in decreased alveolar bone levels and a loss of connective tissue homeostasis. Here we have focused on the effect of microRNA-138 (miR-138) as a potential regulator of periodontal stem cells as they affect homeostasis during inflammatory con...

journal_title：Journal of dental research

authors： Zhou X,Luan X,Chen Z,Francis M,Gopinathan G,Li W,Lu X,Li S,Wu C,Diekwisch TG

更新日期：2016-02-01 00:00:00

abstract：:Rotational freedom of the implant-abutment connection influences its screw joint stability; for optimization, influential factors need to be evaluated based on a previously developed closed formula. The underlying hypothesis is that the manufacturing tolerances, geometric pattern, and dimensions of the index do not in...

journal_title：Journal of dental research

authors： Semper W,Kraft S,Krüger T,Nelson K

更新日期：2009-08-01 00:00:00

abstract：:The aim of this study was to investigate whether the release of fluoride and the antimicrobial effect of freshly mixed glass ionomers could be prolonged by application of fluoride on aged material. Test slabs of freshly mixed and aged (14 d in water) conventional and silver glass ionomer (Ketac-Fil and Ketac-Silver, E...

journal_title：Journal of dental research

authors： Seppä L,Forss H,Ogaard B

更新日期：1993-09-01 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：:The dimensional accuracy of porcelain fused to metal crown and bridge castings was determined on truncated cone-shaped steel dies. Ni-Cr castings produced in manufacturers' laboratories were consistently undersize, while precious metal castings were consistently oversize. Ni-Cr castings, produced in NBS laboratories u...

journal_title：Journal of dental research

authors： Eden GT,Franklin OM,Powell JM,Ohta Y,Dickson G

更新日期：1979-12-01 00:00:00

abstract：:Understanding the mechanical properties of human teeth is important to clinical tooth preparation and to the development of "tooth-like" restorative materials. Previous studies have focused on the macroscopic fracture behavior of enamel and dentin. In the present study, we performed indentation studies to understand t...

journal_title：Journal of dental research

authors： Xu HH,Smith DT,Jahanmir S,Romberg E,Kelly JR,Thompson VP,Rekow ED

更新日期：1998-03-01 00:00:00

abstract：:Fluid transudation through simplified dentin adhesives can occur in bonded vital crown dentin, since these adhesives behave as permeable membranes after polymerization. The effect of adhesive permeability in endodontically treated teeth is unknown. This study examined the hypothesis that in vivo fluid movement through...

journal_title：Journal of dental research

authors： Chersoni S,Acquaviva GL,Prati C,Ferrari M,Grandini S,Pashley DH,Tay FR

更新日期：2005-03-01 00:00:00