Reversal of compromised bonding in bleached enamel.

abstract：:Dissolution of mercury from the Ag-Hg matrix phase of dental amalgam is distilled water and synthetic saliva, and the mercury evaporation from the solutions, were studied in vitro. The main objectives of the study were to evaluate the factors that affect the results of the mercury release tests, and to consider the po...

journal_title：Journal of dental research

authors： Marek M

更新日期：1990-05-01 00:00:00

abstract：:Large mandibular defects are difficult to reconstruct with good functional and aesthetic outcomes because of the complex geometry of craniofacial bone. While the current gold standard is free tissue flap transfer, this treatment is limited in fidelity by the shape of the harvested tissue and can result in significant ...

journal_title：Journal of dental research

authors： Tatara AM,Wong ME,Mikos AG

更新日期：2014-12-01 00:00:00

abstract：:Previous studies have shown that fluoride affected the formation of apatite in spontaneous precipitations from unstable calcium phosphate solutions partly through its effect on the stability of such nonapatitic precursors as octacalcium phosphate, Ca8H2(PO4)6.5 H2O. The present study shows that fluoride had a comparab...

journal_title：Journal of dental research

authors： Eanes ED

更新日期：1980-02-01 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：:The purpose of this work was to determine the influence of chemical food-simulating liquids on the wear of various commercial dental composite restoratives. In many cases, pre-conditioning the restoratives in these liquids for one week produced swelling of the polymer matrix and considerable surface damage. The result...

journal_title：Journal of dental research

authors： McKinney JE,Wu W

更新日期：1985-11-01 00:00:00

abstract：:In a previous experiment, we found that masseter muscle spindles show functional plasticity after 5 to 15 days under increased occlusal vertical dimension (iOVD). In the present study, we hypothesized that spindle function would eventually recover if longer observation periods were allowed. Therefore, in this study we...

journal_title：Journal of dental research

authors： Yabushita T,Zeredo JL,Fujita K,Toda K,Soma K

更新日期：2006-09-01 00:00:00

abstract：:Seven ATCC strains of bacteria were examined for apatite formation in a chemically-defined calcification-supporting medium and also in a metastable calcium phosphate solution. One, E. coli, calcified in both. One, S. aureus, calcified in the solution, but not in the medium. The other five did not calcify in either. Th...

journal_title：Journal of dental research

authors： Ennever J,Streckfuss JL,Goldschmidt MC

更新日期：1981-10-01 00:00:00

abstract：:Synovitis in internal derangement of the temporomandibular joint (TMJ) is accompanied by the growth of new blood vessels. Fibroblast growth factor-2 (FGF-2) and vascular endothelial growth factor (VEGF) are well-characterized angiogenic factors. The objective of this study was to elucidate the correlation between the ...

journal_title：Journal of dental research

authors： Sato J,Segami N,Yoshitake Y,Nishikawa K

更新日期：2003-04-01 00:00:00

abstract：:The influence of the molecular weight of the poly(acrylic acid) component on some properties of glass-ionomer cement has been investigated. The results can be explained by treatment of glass-ionomer cements as thermoplastic composites. Many of the concepts of polymer science can be applied successfully in a qualitativ...

journal_title：Journal of dental research

authors： Wilson AD,Hill RG,Warrens CP,Lewis BG

更新日期：1989-02-01 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：:Odontoblasts, with their strategic arrangement along the outermost compartment of the dentin-pulp complex, have been suggested to have sensory function. In addition to their primary role in dentin formation, growing evidence shows that odontoblasts are capable of sensing mechanical stimulation. Previously, we found th...

journal_title：Journal of dental research

authors： Won J,Vang H,Kim JH,Lee PR,Kang Y,Oh SB

更新日期：2018-08-01 00:00:00

abstract：:The color of an unshaded body porcelain was determined at three thicknesses on white, gray, and three chromatic backings. Spectral absorption and scattering coefficients of the porcelain were determined from the diffuse reflectance at one thickness on the white and gray backings. These optical coefficients, when utili...

journal_title：Journal of dental research

authors： O'Brien WJ,Johnston WM,Fanian F

更新日期：1985-06-01 00:00:00

abstract：:The presence and kinetics of bone-resorbing activity in periapical lesions were studied with a rat model system. Lesions were found to expand most rapidly between induction on day 0 and day 15 ("active phase"), with enlargement occurring at a slower rate thereafter (days 20 and 30, "chronic phase"), as assessed by mea...

journal_title：Journal of dental research

authors： Wang CY,Stashenko P

更新日期：1991-10-01 00:00:00

abstract：:After cheek pouch carcinomas were induced in hamsters by the application of dimethylbenzanthracene (DMBA) to the right pouch for 13 weeks, the animals were divided into four groups and observed for seven more weeks. The control group received no further treatment, two experimental groups had incisional biopsies perfor...

journal_title：Journal of dental research

authors： Tsiklakis K,Wood NK,Toto PD,Doemling DB

更新日期：1986-06-01 00:00:00

abstract：:Investigators have used chemotherapeutic agents topically for plaque control without knowing the drug concentration necessary to inhibit the growth of odontopathic microorganisms. S mutans, S sanguis, A viscosus and A naeslundii are important components of the plaque flora. The minimal inhibitory concentrations (MIC) ...

journal_title：Journal of dental research

authors： Newbrun E,Felton RA,Bulkacz J

更新日期：1976-07-01 00:00:00

abstract：:This study indicated that a clear relationship exists between silicon and fluoride. We have also demonstrated a probable surface enamel silicon effect that increases fluoride uptake. The complex set of relationships described in the surface chemistry of calcium, tin, and zirconium with fluoride, hydroxide, phosphate, ...

journal_title：Journal of dental research

authors： Levy JS,Koritzer RT

更新日期：1976-09-01 00:00:00

abstract：:Vascular endothelial growth factor (VEGF) is a potent inducer of angiogenesis, vascular permeability, and edema. Up-regulation of VEGF expression in the dental pulp may result in increased intra-pulpal pressure, and contribute to pain and irreversible tissue damage. Lipoteichoic acid (LTA) is an amphiphilic molecule f...

journal_title：Journal of dental research

authors： Telles PD,Hanks CT,Machado MA,Nör JE

更新日期：2003-06-01 00:00:00

abstract：:Degradation of dentin matrix components within caries dentin has been correlated with the activity of host-derived proteases, such as matrix metalloproteases (MMPs) and cysteine cathepsins (CTs). Since this relationship has not been fully established, we hypothesized that the abundance of MMPs and CTs in caries-affect...

journal_title：Journal of dental research

authors： Vidal CM,Tjäderhane L,Scaffa PM,Tersariol IL,Pashley D,Nader HB,Nascimento FD,Carrilho MR

更新日期：2014-03-01 00:00:00

abstract：:This paper discusses loosely bound fluoride and its role in dental caries and prevention. Loosely bound fluoride (abbr. by Fa) is fluoride adsorbed onto enamel mineral crystallites. Several recent studies indicate that a high total level of fluoride in enamel does not guarantee protection against caries. This leads to...

journal_title：Journal of dental research

authors： Arends J,Christoffersen J

更新日期：1990-02-01 00:00:00

abstract：:Secondary palatogenesis occurs when the bilateral palatal shelves (PS), arising from maxillary prominences, fuse at the midline, forming the hard and soft palate. This embryonic phenomenon involves a complex array of morphogenetic events that require coordinated proliferation, apoptosis, migration, and adhesion in the...

journal_title：Journal of dental research

authors： Lough KJ,Byrd KM,Spitzer DC,Williams SE

更新日期：2017-10-01 00:00:00

abstract：:Dickkopf-related protein 1 (DKK1) is a potent inhibitor of Wnt/β-catenin signaling. Dkk1-null mutant embryos display severe defects in head induction. Conversely, targeted expression of Dkk1 in dental epithelial cells leads to the formation of dysfunctional enamel knots and subsequent tooth defects during embryonic de...

journal_title：Journal of dental research

authors： Han XL,Liu M,Voisey A,Ren YS,Kurimoto P,Gao T,Tefera L,Dechow P,Ke HZ,Feng JQ

更新日期：2011-11-01 00:00:00

abstract：:An acidified gel system was used to produce artificial caries lesions in root surfaces. Radiopaque surface layers were found with 47% of the lesions. Demineralized bodies of the lesion and mineralized zones of banding were seen in all lesions when examined by microradiography. Cementum and dentin seemed to respond to ...

journal_title：Journal of dental research

authors： Phankosol P,Ettinger RL,Hicks MJ,Wefel JS

更新日期：1985-05-01 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：:Cytotoxicity of fine cut amalgam was persistent until 24 hours after trituration in vitro, whereas cytotoxicity of spherical amalgam diminished more quickly. Increasing mercury content in spherical amalgam increased cytotoxicity. Possible reactions for the diminution of cytotoxicity of amalgams with time are discussed...

journal_title：Journal of dental research

authors： Kawahara H,Nakamura M,Yamagami A,Nakanishi T

更新日期：1975-03-01 00:00:00

abstract：:Overgrowth of oral yeast is a common problem among the elderly. Probiotic bacteria are known to inhibit the growth of pathogenic microbes. We tested the hypothesis that cheese containing probiotic bacteria can reduce the prevalence of oral Candida. During this 16-week, randomized, double-blind, placebo-controlled stud...

journal_title：Journal of dental research

authors： Hatakka K,Ahola AJ,Yli-Knuuttila H,Richardson M,Poussa T,Meurman JH,Korpela R

更新日期：2007-02-01 00:00:00

abstract：:Dentin Matrix Protein 1 (DMP1) is highly expressed in alveolar bone and cementum, which are important components of the periodontium. Therefore, we hypothesized that Dmp1 is critical for the integrity of the periodontium, and that deletion may lead to increased susceptibility to disease. An early-onset periodontal def...

journal_title：Journal of dental research

authors： Ye L,Zhang S,Ke H,Bonewald LF,Feng JQ

更新日期：2008-07-01 00:00:00

abstract：:The acquired enamel pellicle is an oral, fluid-derived protein layer that forms on the tooth surface. It is a biologically and clinically important integument that protects teeth against enamel demineralization, and abrasion. Tooth surfaces are exposed to different proteinaceous microenvironments depending on the enam...

journal_title：Journal of dental research

authors： Heller D,Helmerhorst EJ,Oppenheim FG

更新日期：2017-04-01 00:00:00

abstract：:A new hydroxyapatite ceramic implant material for restoration of atrophic edentulous ridges was tested in a canine animal model. The structure of this material is unique, in that it is produced from the skeleton of a coral, and in that it is penetrated by a uniform network of interconnected pores. Results indicate tha...

journal_title：Journal of dental research

authors： Piecuch JF,Topazian RG,Skoly S,Wolfe S

更新日期：1983-02-01 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：:The linear electrochemical polarization method was used to provide quantitative in vitro measurements of corrosion rates as a function of exposure time for Cu-Ni-Mn, Cu-Ni-Mn-Au, Cu-Ni-Mn-Ag, and Cu-Ni-Mn-Au-Ag alloys in artificial saliva. Both Au and Ag additives to dental-cast Cu-Ni-Mn alloys lowered the corrosion r...

journal_title：Journal of dental research

authors： Wright SR,Cocks FH,Gettleman L

更新日期：1980-04-01 00:00:00