Reduced antigenicity of type I collagen and proteoglycans in sclerotic dentin.

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：:Previous reports have linked the prevalence of tooth abnormalities with high caries experience in the different types of epidermolysis bullosa (EB). However, it is not known to what extent the apparent susceptibility to enamel caries is due to disease-related altered enamel chemistry in these cases. The aim of this st...

journal_title：Journal of dental research

authors： Kirkham J,Robinson C,Strafford SM,Shore RC,Bonass WA,Brookes SJ,Wright JT

更新日期：1996-09-01 00:00:00

abstract：:Due, in part, to the unique structure of the tooth, dental pain is initiated via distinct mechanisms. Here we review recent advances in our understanding of inflammatory tooth pain and discuss 3 hypotheses proposed to explain dentinal hypersensitivity: The first hypothesis, supported by functional expression of temper...

journal_title：Journal of dental research

authors： Chung G,Jung SJ,Oh SB

更新日期：2013-11-01 00:00:00

abstract：:Levels of mutans streptococci in plaque samples from margins of Class II amalgam (Dispersalloy), composite (P-10), and glass-ionomer (Ketac Silver) restorations were compared. Fifty-one children, each having one of the restorations in a permanent first molar, were part of an inter-individual comparison, giving 17 rest...

journal_title：Journal of dental research

authors： Svanberg M,Mjör IA,Orstavik D

更新日期：1990-03-01 00:00:00

abstract：:The purpose of this study was to investigate the genotoxic effects of chronic fluoride exposure on mammalian cells in vivo by use of the mouse bone-marrow micronucleus test and the sperm morphology methodology. Mice of genotype B6C3F1 were obtained at weaning and maintained on a low-fluoride diet (less than 0.2 ppm F)...

journal_title：Journal of dental research

authors： Dunipace AJ,Zhang W,Noblitt TW,Li Y,Stookey GK

更新日期：1989-11-01 00:00:00

abstract：:An indirect extrusion capillary viscometer has been developed. This has been tested for nonsetting Newtonian fluids and was found to give results close to, but slightly lower than the actual viscosity. The same apparatus has been successfully applied to a non-Newtonian fluid to determine the dependence of viscosity on...

journal_title：Journal of dental research

authors： Combe EC,Moser JB

更新日期：1976-03-01 00:00:00

abstract：:The feasibility of immunizing monkeys with enzymes from oral streptococci in an attempt to reduce dental caries was investigated. Forty rhesus monkeys, Macaca mulatta, were used. Cariogenic streptococci, S mutans, were implanted into all the monkeys' mouths. There was no pathological effect resulting from immunization...

journal_title：Journal of dental research

authors： Bahn AN,Shklair IL,Hayashi JA

更新日期：1977-12-01 00:00:00

abstract：:Fungal infections in the oral cavity are mainly caused by C. albicans, but other Candida species are also frequently identified. They are increasing in prevalence, especially in denture-wearers and aging people, and may lead to invasive infections, which have a high mortality rate. Attachment to mucosal tissues and to...

journal_title：Journal of dental research

authors： ten Cate JM,Klis FM,Pereira-Cenci T,Crielaard W,de Groot PW

更新日期：2009-02-01 00:00:00

abstract：:The diagnosis of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection relies on the detection of viral RNA by real-time reverse transcription polymerase chain reaction (rRT-PCR) performed with respiratory specimens, especially nasopharyngeal swabs. However, this procedure requires specialized medical...

journal_title：Journal of dental research

authors： Azzi L,Maurino V,Baj A,Dani M,d'Aiuto A,Fasano M,Lualdi M,Sessa F,Alberio T

更新日期：2021-02-01 00:00:00

abstract：:There is a large variability between and among individuals in the physiology of mastication, but it is not known whether this produces a similar variability in the particle sizes of food boluses at the end of the chewing process. Food boluses obtained just before swallowing were analyzed in ten subjects (aged 36.7 +/-...

journal_title：Journal of dental research

authors： Peyron MA,Mishellany A,Woda A

更新日期：2004-07-01 00:00:00

abstract：:Vitamin D, an anti-inflammatory mediator, has potential benefits for physical and oral health. Although it is produced endogenously, some individuals have a greater need for dietary and supplemental sources. This repeated-measures cross-sectional study assessed associations between total vitamin D intake and periodont...

journal_title：Journal of dental research

authors： Alshouibi EN,Kaye EK,Cabral HJ,Leone CW,Garcia RI

更新日期：2013-08-01 00:00:00

abstract：:The expression of antimicrobial peptides at epithelial surfaces such as skin, lung, and intestine is thought to provide protection against infection. Cathelicidin antimicrobial peptides are essential for the protection of skin against invasive bacterial infection. To determine if cathelicidins are also present in the ...

journal_title：Journal of dental research

authors： Murakami M,Ohtake T,Dorschner RA,Gallo RL

更新日期：2002-12-01 00:00:00

abstract：:The present study was conducted to investigate the role of proteolysis by matrix metalloproteinase 20 (MMP20) in regulating the initial formation of the enamel mineral structure during the secretory stage of amelogenesis, utilizing Mmp20-null mice that lack this essential protease. Ultrathin sagittal sections of maxil...

journal_title：Journal of dental research

authors： Yamazaki H,Tran B,Beniash E,Kwak SY,Margolis HC

更新日期：2019-04-01 00:00:00

abstract：:Amelogenin gene organization varies from 6 exons (1,2,3,5,6,7) in amphibians and sauropsids to 10 in rodents. The additional exons are exons 4, 8, 9, and "4b", the latter being as yet unidentified in AMELX transcripts. To learn more about the evolutionary origin of these exons, we used an in silico approach to find th...

journal_title：Journal of dental research

authors： Sire JY,Huang Y,Li W,Delgado S,Goldberg M,Denbesten PK

更新日期：2012-01-01 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：:The aims of this work were (a) to assess the oral bioavailability of fluoride delivered from dentifrices and (b) to test for a possible link between the results and clinical data obtained with the same dentifrices. Oral fluoride concentrations were measured in samples of saliva and plaque taken from seven subjects, af...

journal_title：Journal of dental research

authors： Duckworth RM,Morgan SN,Gilbert RJ

更新日期：1992-04-01 00:00:00

abstract：:Dental pulp regeneration therapy for the pulpless tooth has attracted recent attention, and clinical trial studies are underway with the tissue engineering approach. However, there remain many concerns, including the extended period for regenerating the dental pulp. In addition, the use of scaffolds increases the risk...

journal_title：Journal of dental research

authors： Itoh Y,Sasaki JI,Hashimoto M,Katata C,Hayashi M,Imazato S

更新日期：2018-09-01 00:00:00

abstract：:Since the exposure of mutans streptococci to xylitol is known to select for xylitol-resistant (XR) natural mutants, the occurrence and long-term survival of such xylitol-resistant strains was evaluated in a cross-sectional sampling of participants of the Ylivieska xylitol study four years after the original two-year e...

journal_title：Journal of dental research

authors： Trahan L,Söderling E,Dréan MF,Chevrier MC,Isokangas P

更新日期：1992-11-01 00:00:00

abstract：:The antimicrobial and cariostatic activities of the dihydrochloride and dihydrofluoride salts of alexidine (1,6-bis-[2-ethylhexylbiguanido]hexane) were compared to those of chlorhexidine acetate and sodium fluoride in rats implanted orally with Streptococcus mutans 6715 and fed a cariogenic diet. Experimental caries w...

journal_title：Journal of dental research

authors： Curtis SN,Dooley CL

更新日期：1979-04-01 00:00:00

abstract：:The complexity of human oral functional movements has not been studied in detail quantitatively, and only recently have studies begun to evaluate whether such movements contain sex-specific characteristics. Therefore, the purposes of this study were: (1) to quantify in detail the jaw movements and associated masticato...

journal_title：Journal of dental research

authors： Gerstner GE,Parekh VV

更新日期：1997-03-01 00:00:00

abstract：:Mesenchymal stem cells isolated from different dental tissues have been described to have osteogenic/odontogenic-like differentiation capacity, but little attention has been paid to the biochemical composition of the material that each produces. Here, we used Raman spectroscopy to analyze the mineralized materials pro...

journal_title：Journal of dental research

authors： Volponi AA,Gentleman E,Fatscher R,Pang YW,Gentleman MM,Sharpe PT

更新日期：2015-11-01 00:00:00

abstract：:Matrix metalloproteinase (MMP) inhibition has been shown to reduce adhesive bond degradation when applied as a pre-conditioner, adding to clinical steps in the placement of adhesives, but their incorporation within dental adhesives has not been fully explored. This study examined the effect of including 2 MMP inhibito...

journal_title：Journal of dental research

authors： Almahdy A,Koller G,Sauro S,Bartsch JW,Sherriff M,Watson TF,Banerjee A

更新日期：2012-06-01 00:00:00

abstract：:An adhesive opaque resin for veneering on cast metal was developed with 4-methacryloxyethyl trimellitate anhydride and poly (methyl methacrylate)-coated titanium dioxide prepared by aqueous phase polymerization. The opaque resin was a modified 4-META/MMA-TBB resin. The powder consisted of 20% of the encapsulated mater...

journal_title：Journal of dental research

authors： Matsumura H,Nakabayashi N

更新日期：1988-01-01 00:00:00

abstract：:Adenoviral vectors effectively transfer genes to rat salivary glands. However, potent immune responses limit their use in vivo. Mice offer more opportunities than rats for the study of these immune processes. We first established conditions for infection of mouse salivary glands, with an adenoviral vector. The effects...

journal_title：Journal of dental research

authors： Wang S,Baum BJ,Yamano S,Mankani MH,Sun D,Jonsson M,Davis C,Graham FL,Gauldie J,Atkinson JC

更新日期：2000-02-01 00:00:00

abstract：:In previous studies, human dental pulp stem cells (hDPSCs) were mainly isolated from adults. In this present study, we characterized hDPSCs isolated from an earlier developmental stage to evaluate the potential usage of these cells for tissue-regenerative therapy. hDPSCs isolated at the crown-completed stage showed a ...

journal_title：Journal of dental research

authors： Takeda T,Tezuka Y,Horiuchi M,Hosono K,Iida K,Hatakeyama D,Miyaki S,Kunisada T,Shibata T,Tezuka K

更新日期：2008-07-01 00:00:00

abstract：:Polynomial and catenary equations were fit by least square error methods to the dentitions of seven children with "normal" occlusion. Mean and mean square error were then used to analyze accuracy of curve fits and asymmetries of arches. A lack of congruency for the "lines of occlusion" common to the maxilla and mandib...

journal_title：Journal of dental research

authors： Pepe SH

更新日期：1975-11-01 00:00:00

abstract：:Selected anaerobic, capnophilic and facultative bacteria isolated from patients with various forms of periodontal health and disease were tested for their susceptibility to antibiotics and antimicrobial agents. Specific bactericidal and minimum inhibitory concentrations were compared to disc zone diameters, thereby ge...

journal_title：Journal of dental research

authors： Newman MG,Hulem C,Colgate J,Anselmo C

更新日期：1979-07-01 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：: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：:The biogenetic formation of mineral crystals, one aspect of biomineralization, is a multistep process of apatite formation throughout the growth of dentin tissue. An important step is the transformation of the non-mineralized predentin matrix to mineralizing dentin matrix and its biological control. In this study, the...

journal_title：Journal of dental research

authors： Wiesmann HP,Plate U,Zierold K,Höhling HJ

更新日期：1998-08-01 00:00:00