Accuracy of Kubelka-Munk reflectance theory applied to human dentin and enamel.

abstract：:Stress analyses are presented for a second mandibular premolar with a class 1 amalgam restoration. The effects of amalgam setting and thermal expansions are examined. An axisymmetric representation of the structure is used and the analyses are carried out by the finite element method. Lined and unlined restorations ar...

journal_title：Journal of dental research

authors： Wright KW,Yettram AL

更新日期：1978-05-01 00:00:00

abstract：:Resin composites must be improved if they are to overcome the high failure rates in large stress-bearing posterior restorations. This study aimed to improve wear resistance via nano-silica-fused whiskers. It was hypothesized that nano-silica-fused whiskers would significantly improve composite mechanical properties an...

journal_title：Journal of dental research

authors： Xu HH,Quinn JB,Giuseppetti AA

更新日期：2004-12-01 00:00:00

abstract：:Although the contribution of the oral microbiota to oral malodor is well-documented, the potential role of Gram-positive micro-organisms is unclear. In the current study, we tested the hypothesis that Gram-positive micro-organisms contribute to malodor production by deglycosylating oral glycoproteins, rendering them s...

journal_title：Journal of dental research

authors： Sterer N,Rosenberg M

更新日期：2006-10-01 00:00:00

abstract：:Class II major histocompatilibity complex (MHC)-expressing cells are usually distributed in dental pulp, and it was postulated that the colony-stimulating factor (CSF) derived from dental pulp fibroblasts contributes to the migration of class II MHC-expressing cells into pulp tissue. This study aimed to investigate th...

journal_title：Journal of dental research

authors： Sawa Y,Horie Y,Yamaoka Y,Ebata N,Kim T,Yoshida S

更新日期：2003-02-01 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：:Morphogenesis (germ-tube formation) in Candida albicans was induced gratuitously by N-acetylhexosamine derivatives (N-acetyl-glucosamine covalently linked to agarose, N-acetylmannosamine, hyaluronic acid, colloidal chitin, and mucin). These compounds were not taken up by the yeast cells and did not support growth. 2-D...

journal_title：Journal of dental research

authors： Shepherd MG,Sullivan PA

更新日期：1984-03-01 00:00:00

abstract：:Experiments were performed to determine the role of the immune response in rat periodontal disease. Germ-free rats were fed defined antigen-free liquid diets or a diet containing ovalbumin(OVA) as a prototype antigen. The OVA-fed rats demonstrated increased gingival lymphocytes (mainly T at early times), OVA-sensitize...

journal_title：Journal of dental research

authors： Taubman MA,Yoshie H,Ebersole JL,Smith DJ,Olson CL

更新日期：1984-03-01 00:00:00

abstract：:The microstructures of (beta + gamma) silver-tin alloys are especially influenced by both homogenization temperature and subsequent heat treatment. When the alloy is cooled from homogenization temperatures above approximately 200 degrees C, lenticular regions of the ordered orthorhombic gamma phase precipitate from wi...

journal_title：Journal of dental research

authors： Abbott JR,Miller DR,Netherway DJ

更新日期：1985-05-01 00:00:00

abstract：:Genetic influences are important in the determination of mandibular morphology, and growth hormone receptor (GHR) is believed to have an important influence on the growth of craniofacial bone. In this study, we used quantitative trait locus methods to evaluate the relationship between craniofacial morphology and singl...

journal_title：Journal of dental research

authors： Zhou J,Lu Y,Gao XH,Chen YC,Lu JJ,Bai YX,Shen Y,Wang BK

更新日期：2005-11-01 00:00:00

abstract：:During amelogenesis in the rat incisor, modulating ruffle-ended (RA) and smooth-ended (SA) ameloblasts are distributed as bands in the enamel organ of the maturation zone. This distribution of the two cell types has been shown to be precisely correlated with a banding of the underlying enamel, as shown by staining and...

journal_title：Journal of dental research

authors： McKee MD,Martin JR,Landis WJ

更新日期：1989-02-01 00:00:00

abstract：:Van der Woude syndrome (VWS) is an autosomal-dominant oral facial disorder. To find a gene mutation in a Japanese family using fingernail DNA samples, we performed this study. We hypothesized that a gene mutation in IRF6 might be involved in VWS, and that fingernail DNA samples may be valuable for detecting such mutat...

journal_title：Journal of dental research

authors： Matsuzawa N,Shimozato K,Natsume N,Niikawa N,Yoshiura K

更新日期：2006-12-01 00:00:00

abstract：:The histopathologic status of gingival tissue was assessed according to the criteria of Page and Schroeder.(5) Rhodamine-labeled bacteria were used to assess the antigenic specificity of plasma cells in the tissue. Examination of tissue sections revealed that 31.6% of plasma cells in the advanced lesions bound the lab...

journal_title：Journal of dental research

authors： Kagan JM

更新日期：1980-11-01 00:00:00

abstract：:Lysis of cell wall preparations from strains representing serotypes a - g of Streptococcus mutans has provided a convenient and efficient means of obtaining the typing antigens in a soluble undegraded form, and has demonstrated that, in each case, the antigen is a cell wall component in the strict sense of a component...

journal_title：Journal of dental research

authors： Knox KW,Campbell LK,Bratthall D

更新日期：1983-10-01 00:00:00

abstract：:Different types of storage media have been studied for use in the replantation of exarticulated teeth. It was found that human periodontal ligament cells survived well in milk. Fifty percent of the cells were viable after 12 hours' storage in milk, while no cells were viable after three hours' storage in saliva. Brief...

journal_title：Journal of dental research

authors： Blomlöf L

更新日期：1981-11-01 00:00:00

abstract：:The effects of oral rinses on enamel fluoride uptake, caries, and plaque pH in rats were investigated by use of (1) an acidic calcium phosphate solution (CPS) saturated with dicalcium phosphate dihydrate (DCPD) and (2) a 1% fluoride solution. Osborne-Mendel rats, 19 days of age, were randomly assigned to one of four m...

journal_title：Journal of dental research

authors： Schreiber CT,Shern RJ,Chow LC,Kingman A

更新日期：1988-06-01 00:00:00

abstract：:The solubilities of extracellular polysaccharide fractions produced by 14 oral streptococcal strains were compared in water, aqueous lithium and guanidine salt solutions, dimethyl sulfoxide (DMSO), and a 9:1 DMSO-water mixture. The best results for solubilizing the fractions were obtained with the DMSO-water mixture p...

journal_title：Journal of dental research

authors： Lamberts BL,Meyer TS,Simonson LG

更新日期：1975-07-01 00:00:00

abstract：:The ability of adhesive resins to restore the physical properties of demineralized dentin has not been well-documented. The unfilled resins that are used for adhesion have relatively low moduli of elasticity and limited ability to increase dentin stiffness, although they may increase the ultimate tensile strength of d...

journal_title：Journal of dental research

authors： Sano H,Takatsu T,Ciucchi B,Russell CM,Pashley DH

更新日期：1995-04-01 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：:Indigenous populations around the world experience a disproportionate burden in terms of oral diseases and conditions. These inequalities are likely due to a complex web of social determinants that includes poverty, historical consequences of colonialism, social exclusion, government policies of assimilation, cultural...

journal_title：Journal of dental research

authors： Tiwari T,Jamieson L,Broughton J,Lawrence HP,Batliner TS,Arantes R,Albino J

更新日期：2018-07-01 00:00:00

abstract：:Using glycoproteins and milk oligosaccharides as substrate acceptors, we demonstrated at least two fucosyltransferases in human parotid saliva. One enzyme transferred L-fucose from GDP-fucose to the C-3 position of N-acetylglucosamine or glucose residue of oligosaccharide chains, and the other transferred to the C-4 p...

journal_title：Journal of dental research

authors： Tamagawa H,Inoshita E,Shibata S,Shizukuishi S,Tsunemitsu A

更新日期：1983-07-01 00:00:00

abstract：UNLABELLED:Excessive mechanical stress (MS) during hyperocclusion is known to result in disappearance of the alveolar hard line, enlargement of the periodontal ligament (PDL) space, and destruction of alveolar bone, leading to occlusal traumatism. We have recently reported that MS induces predominantly C-C chemokine li...

journal_title：Journal of dental research

authors： Tsutsumi T,Kajiya H,Goto KT,Takahashi Y,Okabe K

更新日期：2013-01-01 00:00:00

abstract：:Disks of dentin taken from extracted human teeth demonstrated the optical property of the magnification/reduction effect. When images were transmitted from a pulpal-to-occlusal direction, the images were magnified. When the disks were inverted, the images were reduced in size. The images were slightly distorted but cl...

journal_title：Journal of dental research

authors： Walton RE,Outhwaite WC,Pashley DF

更新日期：1976-07-01 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：:This case-control study evaluated the association of headache and other co-morbid pain with temporomandibular disorder (TMD) pain in adolescents and explored the temporal co-variance of headache and TMD pain. In a population-based sample of 12- to 19-year-olds, 350 patients with self-reported TMD pain and 350 healthy ...

journal_title：Journal of dental research

authors： Nilsson IM,List T,Drangsholt M

更新日期：2013-09-01 00:00:00

abstract：:We evaluated the predictive and construct validity of a caries activity assessment system associated with the International Caries Detection and Assessment System (ICDAS) in primary teeth. A total of 469 children were reexamined: participants of a caries survey performed 2 yr before (follow-up rate of 73.4%). At basel...

journal_title：Journal of dental research

authors： Guedes RS,Piovesan C,Ardenghi TM,Emmanuelli B,Braga MM,Ekstrand KR,Mendes FM

更新日期：2014-07-01 00:00:00

abstract：:Temperature elevations were measured in the pulp chamber of full cast crown preparations during impression taking with modelling compound in copper bands. Uncontrolled flaming, controlled flaming, and water heating of the bands produced temperatures of 53, 44, and 41.5 C, respectively. The time involved in restoring t...

journal_title：Journal of dental research

authors： Grajower R,Kaufman E,Stern N

更新日期：1975-03-01 00:00:00

abstract：:A series of in vitro studies have been performed to study the release of tin and fluoride from an experimental prophylactic cup and the influence of this release on the fluoride content of enamel. It has been found that the release of fluoride from the prophy cup during a simulated prophylaxis results in a significant...

journal_title：Journal of dental research

authors： Stookey GK,Stahlman DB

更新日期：1976-05-01 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：:Autoimmune responses to heat-shock protein 60 (HSP60) contribute to the progression of atherosclerosis, whereas immunization with HSP60 may induce atheroprotective responses. We assessed the capacity of an atheroprotective vaccine that targeted a recombinant HSP60 from Porphyromonas gingivalis (rGroEL) to induce a pro...

journal_title：Journal of dental research

authors： Hagiwara M,Kurita-Ochiai T,Kobayashi R,Hashizume-Takizawa T,Yamazaki K,Yamamoto M

更新日期：2014-04-01 00:00:00

abstract：:Hemifacial microsomia (HFM) is a congenital disorder marked by facial asymmetry. Whether facial asymmetry accounts for asymmetrical dental development is unknown. There are few data on dental development relative to mandibular development or severity of HFM, or on development over time. We hypothesized that when mandi...

journal_title：Journal of dental research

authors： Ongkosuwito EM,de Gijt P,Wattel E,Carels CE,Kuijpers-Jagtman AM

更新日期：2010-12-01 00:00:00