Water sorption and filler characteristics of composites for use in posterior teeth.

abstract：:Although a secular decline is being seen in coronal caries in children in industrialized countries, there appears to be a relatively high prevalence of root caries, with chronologically older adults exhibiting the highest prevalences. This paper reviews the descriptive and analytical epidemiology of root caries as fou...

journal_title：Journal of dental research

authors： Beck J

更新日期：1990-05-01 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：: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：:To date, the precise etiology of molar-incisor hypomineralization (MIH) is uncertain. Vitamin D plays a key role in hard tissue formation. Therefore, this study aimed to analyze the relationship between serum 25-hydroxy-vitamin D (25(OH)D) status and dental health data obtained from 1,048 children in a 10-year follow-...

journal_title：Journal of dental research

authors： Kühnisch J,Thiering E,Kratzsch J,Heinrich-Weltzien R,Hickel R,Heinrich J,GINIplus study group.,LISAplus study group.

更新日期：2015-02-01 00:00:00

abstract：:The dental phenolic medicaments, eugenol and guaiacol, are partly similar in chemical structure to capsaicin, the pungent constituent of chili peppers, which selectively activates sensory neurons via a specific receptor. We have previously demonstrated that these phenolic compounds show capsaicin-like action. In the p...

journal_title：Journal of dental research

authors： Ohkubo T,Shibata M

更新日期：1997-04-01 00:00:00

abstract：:The effects of different doses of p-tyramine injected i.v. and i.p. on salivary flow rates and proteins secreted by the submandibular glands of rats were studied with and without various types of autonomic blockers and two enzyme inhibitors. The salivary flow rates and the amounts of protein secreted progressively inc...

journal_title：Journal of dental research

authors： Okina A,Hidaka S,Tashiro M,Abe K

更新日期：1993-05-01 00:00:00

abstract：:A study was made of the hydration of dental cements, water being classified as "non-evaporable" and "evaporable". The ratio of these two types of water was found to vary greatly among different cement types, being lesser in zinc oxide and ionic polymer cements and greater in ion-leachable glass and phosphoric acid cem...

journal_title：Journal of dental research

authors： Wilson AD,Paddon JM,Crisp S

更新日期：1979-03-01 00:00:00

abstract：:It has not been established whether transmission of mutans streptococci occurs between unrelated children older than 4 years of age. The aim of the study was to investigate the possible transmission of mutans streptococci genotypes from child to child in kindergarten. We studied 96 children (ages 5-6 yrs) in three San...

journal_title：Journal of dental research

authors： Doméjean S,Zhan L,DenBesten PK,Stamper J,Boyce WT,Featherstone JD

更新日期：2010-01-01 00:00:00

abstract：:Histone deacetylases (HDACs) are important regulators of gene expression that are aberrantly regulated in several inflammatory and infectious diseases. HDAC inhibitors (HDACi) suppress inflammatory activation of various cell types through epigenetic and non-epigenetic mechanisms, and ameliorate pathology in a mouse mo...

journal_title：Journal of dental research

authors： Lagosz KB,Bysiek A,Macina JM,Bereta GP,Kantorowicz M,Lipska W,Sochalska M,Gawron K,Kaczmarzyk T,Chomyszyn-Gajewska M,Fossati G,Potempa J,Grabiec AM

更新日期：2020-01-01 00:00:00

abstract：:The effect of toothbrushes on soft tissue abrasion was measured using hamster cheek pouch tissue brushed mechanically for various intervals. The detection of protein removed during brushing was used as an index of tissue abrasion. The method was found to be sensitive in detecting the effects of brush load, number of s...

journal_title：Journal of dental research

authors： Alexander JF,Saffir AJ,Gold W

更新日期：1977-07-01 00:00:00

abstract：:The goal of nonrestorative or non- and microinvasive caries treatment (fluoride- and nonfluoride-based interventions) is to manage the caries disease process at a lesion level and minimize the loss of sound tooth structure. The purpose of this systematic review and network meta-analysis was to summarize the available ...

journal_title：Journal of dental research

authors： Urquhart O,Tampi MP,Pilcher L,Slayton RL,Araujo MWB,Fontana M,Guzmán-Armstrong S,Nascimento MM,Nový BB,Tinanoff N,Weyant RJ,Wolff MS,Young DA,Zero DT,Brignardello-Petersen R,Banfield L,Parikh A,Joshi G,Carrasco-Labra

更新日期：2019-01-01 00:00:00

abstract：:Dental epithelial progenitor cells differentiate into various cell types during development of tooth germs. To study this mechanism, we produced immortalized dental epithelial progenitor cells derived from the cervical-loop epithelium of a rat lower incisor. The expression patterns of cytokeratin 14, nerve growth fact...

journal_title：Journal of dental research

authors： Kawano S,Saito M,Handa K,Morotomi T,Toyono T,Seta Y,Nakamura N,Uchida T,Toyoshima K,Ohishi M,Harada H

更新日期：2004-02-01 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：:Nitric oxide (.NO) modulates the activity of the endocrine system in the behavioral response to stress. The purpose of this study was to investigate the effect of restraining the body of an animal on expression of neuronal nitric oxide synthase (nNOS) in the paraventricular nucleus (PVN) of the hypothalamus, and the i...

journal_title：Journal of dental research

authors： Hori N,Lee MC,Sasaguri K,Ishii H,Kamei M,Kimoto K,Toyoda M,Sato S

更新日期：2005-07-01 00:00:00

abstract：:Based on the existing evidence supporting a state of chronic inflammation in chronic kidney disease (CKD), we hypothesized that periodontal infection may affect the systemic inflammatory status of a nationally representative CKD population as measured by serum C-reactive protein (CRP). We examined this hypothesis usin...

journal_title：Journal of dental research

authors： Ioannidou E,Swede H,Dongari-Bagtzoglou A

更新日期：2011-12-01 00:00:00

abstract：:The sagittal and frontal active envelope of border movement is applied regularly as a clinical tool in functional examinations of the human masticatory system. In contrast, the three-dimensional movement area has hardly been examined. Furthermore, the determinants of this area are not established unambiguously. In the...

journal_title：Journal of dental research

authors： Koolstra JH,Naeije M,van Eijden TM

更新日期：2001-10-01 00:00:00

abstract：:Blood cortisol levels of oral surgery patients were analyzed to objectively determine the effect of intravenous sedation on surgical stress. Results showed a measure of sedation but did not adequately reflect the stress of oral surgery or the changes produced by intravenous sedation. ...

journal_title：Journal of dental research

authors： Bunch FL,Allen GD,Jorgensen NB

更新日期：1975-09-01 00:00:00

abstract：:Periodontitis is a chronic inflammatory disease induced by a biofilm that forms on the tooth surface. Increased periodontal disease is associated with aging. We investigated the effect of aging on challenge by oral pathogens, examining the host response, colonization, and osteoclast numbers in aged versus young mice. ...

journal_title：Journal of dental research

authors： Wu Y,Dong G,Xiao W,Xiao E,Miao F,Syverson A,Missaghian N,Vafa R,Cabrera-Ortega AA,Rossa C Jr,Graves DT

更新日期：2016-04-01 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：:Several studies indicated that serotype/biotype c strains are the most common on a global basis, but that regional differences may occur relative to other serotype/biotypes. Of particular interest is the observation that individuals residing in the Middle East have higher incidences of serotype e and d strains relativ...

journal_title：Journal of dental research

authors： Farghaly MM,Eklund S,Loesche WJ

更新日期：1984-01-01 00:00:00

abstract：:In 1992 and 1997, all US and Canadian dental schools were surveyed by mail regarding the preferred initial radiographic examination prescribed for non-emergency, comprehensive-care patients (dentulous adults, edentulous adults, and children). In both survey years, a minority of US and Canadian dental schools reported ...

journal_title：Journal of dental research

authors： Kantor ML

更新日期：2000-07-01 00:00:00

abstract：:The aim of this meta-analysis was to examine the clinical effectiveness of miniscrew implants (MI) used for anchorage reinforcement compared with that of conventional orthodontic means, as well as to assess the success rates of MIs and the possible risk factors affecting their clinical effectiveness. Literature search...

journal_title：Journal of dental research

authors： Papadopoulos MA,Papageorgiou SN,Zogakis IP

更新日期：2011-08-01 00:00:00

abstract：:The effect of inflammation on the distribution of chondroitin sulfate and dermatan sulfate proteoglycans was assessed after normal and inflamed human gingivae were stained with monoclonal antibodies against these extracellular matrix macromolecules. The tissues were obtained following periodontal surgery and reacted w...

journal_title：Journal of dental research

authors： Bartold PM

更新日期：1992-09-01 00:00:00

abstract：:A numerical model of the mandible, its articulating surfaces, and the forces exerted by the primary masticatory muscles has been developed for the purpose of investigating loading of the temporomandibular joint. Evidence is presented which shows that the temporomandibular joint. Evidence is presented which shows that ...

journal_title：Journal of dental research

authors： Smith DM,McLachlan KR,McCall WD Jr

更新日期：1986-08-01 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：:Because of the greater sensitivity of commonly used dental films near 40 kv and the inherently greater contrast between bone and other oral tissues that is achieved at lower energies than those conventionally used, a considerable reduction of radiation exposure can be obtained by the use of those quasimonochromatic ph...

journal_title：Journal of dental research

authors： Huen A,Sternglass EJ,Mazzocco DM,Fischer WG

更新日期：1976-01-01 00:00:00

abstract：:Fluoride content of drinking water is an important criterion in prescribing fluoride supplements. The majority of practicing dentists and physicians prescribe fluoride supplements, yet many apparently are unaware of the fluoride levels in their patients' drinking water. Characteristics of North Carolina (NC) dentists,...

journal_title：Journal of dental research

authors： Levy SM,Rozier RG,Bawden JW

更新日期：1986-01-01 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：:The rate of F absorption from the stomach is pH-dependent, with greater absorption at low pH. Since the rate of absorption is also strongly influenced by the rapidity of gastric emptying, we have compared the relative importance of gastric acidity and gastric emptying in overall F absorption. Male rats (350 g, n = 85)...

journal_title：Journal of dental research

authors： Messer HH,Ophaug RH

更新日期：1993-03-01 00:00:00

abstract：:Dental porcelains that are designed to be fused to PFM (porcelain-fused-to-metal) alloys are formulated by their manufacturers to be closely matched in thermal expansion to these alloys. The high thermal expansion of the mineral leucite has been exploited to regulate porcelain expansion. Leucite, however, has been obs...

journal_title：Journal of dental research

authors： Mackert JR Jr,Twiggs SW,Williams AL

更新日期：2000-08-01 00:00:00