Studies on microstructure of gold soldered joints.

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：:During the setting of a resin composite cement (RCC) used as an adhesive between a resin-bonded bridge and tooth structure, the adhesion may be disrupted by the development of shrinkage stress. The aim of this study was to investigate the influence of the shrinkage stress of three different RCCs on their adhesive and ...

journal_title：Journal of dental research

authors： Verzijden CW,Feilzer AJ,Creugers NH,Davidson CL

更新日期：1992-02-01 00:00:00

abstract：:Antidromic stimulation of sensory nerves has been shown to increase blood flow in the tissue they innervate. This study was designed to determine if antidromic vasomotor responses occur in feline dental pulp and if they are mediated by branched axons supplying both tooth pulp and gingiva. Dynamic changes in pulpal blo...

journal_title：Journal of dental research

authors： Sasano T,Kuriwada S,Shoji N,Sanjo D,Izumi H,Karita K

更新日期：1994-12-01 00:00:00

abstract：:Cementum forms the interface between root dentin and periodontal ligament through which periodontal connective tissue is attached to root surfaces. We have examined how cementum components influence the biological activities of gingival fibroblasts. Cementum was harvested from freshly extracted human teeth and extract...

journal_title：Journal of dental research

authors： Miki Y,Narayanan AS,Page RC

更新日期：1987-08-01 00:00:00

abstract：:This study demonstrated that human submandibular-sublingual saliva (HSMSL) provided a better substrate than did whole saliva or parotid saliva for the binding of Streptococcus sanguis in a glass adherence assay. Additional evidence indicated that the lower molecular weight salivary mucin in HSMSL was involved in these...

journal_title：Journal of dental research

authors： Stinson MW,Levine MJ,Cavese JM,Prakobphol A,Murray PA,Tabak LA,Reddy MS

更新日期：1982-12-01 00:00:00

abstract：:Interfacial bonding and stability of gamma-methacryloxypropyltrimethoxysilane with silica surfaces have been studied by means of infrared spectroscopy. The addition of n-propylamine enhances silanization of gamma-methacryloxypropyltrimethoxysilane to silica surfaces in normal aliphatic hydrocarbons, and cyclohexane yi...

journal_title：Journal of dental research

authors： Chen TM,Brauer GM

更新日期：1982-12-01 00:00:00

abstract：:Stress-relaxation measurements were performed on specimens of radicular human dentin. The relaxation modulus showed a linear dependence on the logarithm of time and the approximation to the logarithmic distribution function of relaxation times was used to predict the behavior of other viscoelastic properties. This exp...

journal_title：Journal of dental research

authors： Duncanson MG Jr,Korostoff E

更新日期：1975-11-01 00:00:00

abstract：:Acculturation is a complex phenomenon that can serve as a proxy for cultural norms and behaviors affecting care-seeking, prevention behaviors, and, ultimately, health outcomes. The purpose of this study was to assess the effect of acculturation on the oral health of Haitian immigrants in New York City. We hypothesized...

journal_title：Journal of dental research

authors： Cruz GD,Shore R,Le Geros RZ,Tavares M

更新日期：2004-02-01 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：:Samples of human dental plaque were pooled from several "white spot" smooth tooth surface areas as well as from several clinically-sound tooth surface areas in each of 12 caries-positive college students. Each of the two samples from each subject was used for the determination of: (1) pH-lowering potential in vitro in...

journal_title：Journal of dental research

authors： Van Houte J,Sansone C,Joshipura K,Kent R

更新日期：1991-12-01 00:00:00

abstract：:Intra-oral wounds, like wounds in children, demonstrate privileged healing when compared with adult wounds at extra-oral sites. This study investigated whether this preferential healing is related to an increased ability of oral mucosal fibroblasts to reorganize extracellular matrix (ECM) when compared with their derm...

journal_title：Journal of dental research

authors： Stephens P,Davies KJ,al-Khateeb T,Shepherd JP,Thomas DW

更新日期：1996-06-01 00:00:00

abstract：:Intracystic fluid pressure is thought to be involved in odontogenic cyst growth. In this study, we investigated the effects of positive pressure on the expression of interleukin-1alpha (IL-1alpha), matrix metalloproteinases (MMPs), and prostaglandin E2 (PGE2) in odontogenic keratocysts to determine whether this pressu...

journal_title：Journal of dental research

authors： Oka S,Kubota Y,Yamashiro T,Ogata S,Ninomiya T,Ito S,Shirasuna K

更新日期：2005-10-01 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：:Early childhood caries (ECC) is a chronic disease affecting the oral health of children globally. This disease is multifactorial, but a primary factor is cariogenic microorganisms such as Streptococcus mutans. Biosynthetic gene clusters (BGCs) encode small molecules with diverse biological activities that influence th...

journal_title：Journal of dental research

authors： Momeni SS,Beno SM,Baker JL,Edlund A,Ghazal T,Childers NK,Wu H

更新日期：2020-07-01 00:00:00

abstract：:The frequency and impact of temporomandibular joint (TMJ) disorders necessitate research in characterizing the joint's function. The 6 discal attachments have not yet been systematically characterized under tension. Understanding their role in joint function may guide our study of TMJ pathologies, including disc displ...

journal_title：Journal of dental research

authors： Murphy MK,Arzi B,Hu JC,Athanasiou KA

更新日期：2013-08-01 00:00:00

abstract：:Caries increment is affected by sugar-sweetened beverage (SSB) consumption. Taxing SSBs could reduce sugar consumption and caries increment. The authors aimed to estimate the impact of a 20% SSB sales tax on caries increment and associated treatment costs (as well as the resulting tax revenue) in the context of German...

journal_title：Journal of dental research

authors： Schwendicke F,Thomson WM,Broadbent JM,Stolpe M

更新日期：2016-11-01 00:00:00

abstract：:During the 18th century, France was the leader in the field of dentistry, exemplified by Pierre Fauchard (1678-1761), who was given the title "the father of modern dentistry" for his comprehensive work, Le Chirurgien Dentiste. This paper examines an 18th century dental treatment in a barely 50-year-old male whose body...

journal_title：Journal of dental research

authors： Bertrand B,Colard T,Lacoche C,Salomé JF,Vatteoni S

更新日期：2009-03-01 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：:Stereologic studies of trabecular architecture suggest that the pig mandibular condyle is strongest when loaded supero-inferiorly, and that stress is concentrated in the antero-inferior region (Teng and Herring, 1995). To test these hypotheses, we investigated the uni-axial mechanical properties of 22 pig mandibular c...

journal_title：Journal of dental research

authors： Teng S,Herring SW

更新日期：1996-11-01 00:00:00

abstract：:Dental caries can be described as a dysbiosis of the oral microbial community, in which acidogenic, aciduric, and acid-adapted bacterial species promote a pathogenic environment, leading to demineralization. Alkali generation by oral microbes, specifically via arginine catabolic pathways, is an essential factor in mai...

journal_title：Journal of dental research

authors： Agnello M,Cen L,Tran NC,Shi W,McLean JS,He X

更新日期：2017-07-01 00:00:00

abstract：:The efficacy of a new remineralization system was determined in vivo by maintaining a low concentration of approximately 1 ppm fluoride for 48 hrs against a demineralized human tooth. Human subjects were selected who wore removable partial dentures containing two or more of the demineralized teeth with film system. Th...

journal_title：Journal of dental research

authors： Abrahams LJ,Yonese M,Higuchi WI,Fox JL,Charbeneau GT

更新日期：1980-03-01 00:00:00

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：: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：:The purpose of this investigation was to examine the inhibitory effects of aqueous extracts derived from the bark-containing sticks (Neem stick) of Azadirachta indica upon bacterial aggregation, growth, adhesion to hydroxyapatite, and production of insoluble glucan, which may affect in vitro plaque formation. Neem sti...

journal_title：Journal of dental research

authors： Wolinsky LE,Mania S,Nachnani S,Ling S

更新日期：1996-02-01 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：: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：: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

abstract：:Locally applied bisphosphonates may improve the fixation of metal implants in bone. However, systemic bisphosphonate treatment is associated with a risk of osteonecrosis of the jaw (ONJ). We hypothesized that local delivery of bisphosphonate from the implant surface improves the fixation of dental implants without com...

journal_title：Journal of dental research

authors： Abtahi J,Agholme F,Sandberg O,Aspenberg P

更新日期：2013-03-01 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：:Extracellular matrix (ECM) mineralization is regulated by mineral ion availability, proteins, and other molecular determinants. To investigate protein regulation of mineralization in tooth dentin and cementum, and in alveolar bone, we expressed matrix Gla protein (MGP) ectopically in bones and teeth in mice, using an ...

journal_title：Journal of dental research

authors： Kaipatur NR,Murshed M,McKee MD

更新日期：2008-09-01 00:00:00