High-temperature behavior of a Pd-Ag alloy for porcelain.

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：: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：:Dendritic cells, such as Langerhans cells (LC), in different ectodermal compartments may have different functional capabilities. The present study was undertaken to compare oral Langerhans cells (LC) with those of the epidermis in terms of their ability to co-stimulate T-cells in vitro. A Mixed Epithelial Cell Lymphoc...

journal_title：Journal of dental research

authors： Hasséus B,Jontell M,Bergenholtz G,Eklund C,Dahlgren UI

更新日期：1999-03-01 00:00:00

abstract：:We have previously reported the clinical and radiographic findings of a trial in dogs of a new dental implant system after a functional period of eight months. The present report consists of the corresponding qualitative and quantitative histological data. The implant system was fabricated from Ti-6A1-4V and employed ...

journal_title：Journal of dental research

authors： Deporter DA,Watson PA,Pilliar RM,Howley TP,Winslow J

更新日期：1988-09-01 00:00:00

abstract：:1) A new adhesive opaque resin containing a reactive monomer, 4-methacryloxy-ethyl trimellitate anhydride (4-META), was prepared, and its application to thermosetting acrylic resin veneer crowns was studied. 2) The 4-META opaque resin was applied to a variety of nickel-chromium dental alloy specimens which had undergo...

journal_title：Journal of dental research

authors： Tanaka T,Nagata K,Takeyama M,Atsuta M,Nakabayashi N,Masuhara E

更新日期：1981-09-01 00:00:00

abstract：:The effect of a topical fluoride regimen consisting of a four-minute pre-treatment with a saturated dicalcium phosphate dihydrate (DCPD) solution followed by a four-minute application of APF was compared with that of a four-minute application of APF alone with respect to the deposition of fluoride in enamel in an apat...

journal_title：Journal of dental research

authors： Crall JJ,Bjerga JM

更新日期：1986-03-01 00:00:00

abstract：:Previous studies show that both activin and Bmp4 act as crucial mesenchymal odontogenic signals during early tooth development. Remarkably, mice lacking activin-βA ( Inhba-/-) and mice with neural crest-specific inactivation of Bmp4 ( Bmp4ncko/ncko) both exhibit bud-stage developmental arrest of the mandibular molar t...

journal_title：Journal of dental research

authors： Kwon HE,Jia S,Lan Y,Liu H,Jiang R

更新日期：2017-09-01 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：:In a standard periodontal treatment strategy with consecutive root planings (per quadrant at a one- to two-week interval), re-infection of a disinfected area might occur before completion of the treatment. This study examines, both clinically and microbiologically, whether a full-mouth disinfection within 24 hours sig...

journal_title：Journal of dental research

authors： Quirynen M,Bollen CM,Vandekerckhove BN,Dekeyser C,Papaioannou W,Eyssen H

更新日期：1995-08-01 00:00:00

abstract：:Human saliva contains a number of phosphorylated acidic proline-rich proteins (APRP). Monkey parotid saliva contains a similar protein with the same phosphorylated sequences as the human proteins. A crude protein kinase was prepared from Macaca fascicularis parotid glands which phosphorylated human APRP. The enzyme wa...

journal_title：Journal of dental research

authors： Madapallimattam G,Bennick A

更新日期：1986-03-01 00:00:00

abstract：:Apoptosis plays important roles in various stages of organogenesis. In this study, we hypothesized that apoptosis would play an important role in tooth morphogenesis. We examined the role of apoptosis in early tooth development by using a caspase inhibitor, z-VAD-fmk, concomitant with in vitro organ culture and tooth ...

journal_title：Journal of dental research

authors： Kim JY,Cha YG,Cho SW,Kim EJ,Lee MJ,Lee JM,Cai J,Ohshima H,Jung HS

更新日期：2006-06-01 00:00:00

abstract：:The relative contribution of the matrix of dentin to the physical properties of dentin is unknown but thought to be small. The objective of this study was to test the hypothesis that the demineralized matrix of dentin contributes little to the strength of dentin by measuring and comparing the ultimate tensile strength...

journal_title：Journal of dental research

authors： Sano H,Ciucchi B,Matthews WG,Pashley DH

更新日期：1994-06-01 00:00:00

abstract：:Elemental analysis of two precious alloyceramic systems revealed the accumulation of Sn atoms within the interaction zone of couples subjected to a range of metal oxidation time; and varying total firing times. The source of Sn atoms which accumulated within the interaction zone was the opaque porcelain layer which co...

journal_title：Journal of dental research

authors： Anusavice KJ,Horner JA,Fairhurst CW

更新日期：1977-09-01 00:00:00

abstract：:Acute or chronic inflammation comprises a highly prevalent type of orofacial pain and is mediated by the generation of endogenous agonists that activate numerous receptors expressed on terminals of trigeminal (TG) nociceptive afferent neurons. One such studied receptor is transient receptor potential vanilloid subtype...

journal_title：Journal of dental research

authors： Hargreaves KM,Ruparel S

更新日期：2016-09-01 00:00:00

abstract：:We investigated whether oral health, represented by missing teeth, was associated with an increased risk of cardiovascular disease, including myocardial infarction (MI), heart failure (HF), stroke, and all-cause mortality. Subjects who underwent routine dental examinations and health checkups provided by the Korean Na...

journal_title：Journal of dental research

authors： Lee HJ,Choi EK,Park JB,Han KD,Oh S

更新日期：2019-02-01 00:00:00

abstract：:The accelerating activity of N,N-substituted aminoethyl methacrylates on the curing of methyl methacrylate and composite resins with benzoyl peroxide is somewhat smaller than that of dimethyl-p-toluidine. Tesins cured with aminoethyl methacrylates containing a p-tolyl and 3,5-xylyl substituent on the nitrogen atom tur...

journal_title：Journal of dental research

authors： Dneboský J,Hynková V,Hrabák F

更新日期：1975-07-01 00:00:00

abstract：:These studies defined the normal and hormonally altered development of activity for tyrosine hydroxylase (T-OH), the rate-limiting enzyme in catecholamine biosynthesis (Levitt et al., 1965), and choline acetyltransferase activity (CAT) in the male rat superior cervical ganglion (SCG). Additionally, salivary gland weig...

journal_title：Journal of dental research

authors： Melvin JE,Hamill RW

更新日期：1987-03-01 00:00:00

abstract：:The importance of assessing the impact of treatments for chronic conditions on an individual's quality of life has been well-established. In this randomized clinical trial, oral-health-related quality of life, measured with the Oral Health Impact Profile (OHIP), was compared between two groups of edentulous patients. ...

journal_title：Journal of dental research

authors： Awad MA,Locker D,Korner-Bitensky N,Feine JS

更新日期：2000-09-01 00:00:00

abstract：:Erupting first permanent molars of 5 1/2 to 6 1/2 year-olds are eminently suited for the clinical testing of potential caries-inhibiting techniques. Due to the rapid onset of caries in these teeth, accurate monitoring of new materials/regimes can be instituted and meaningful data obtained within one year of trial comm...

journal_title：Journal of dental research

authors： Stephen KW

更新日期：1977-10-01 00:00:00

abstract：:Before the 1960s, tooth-specific caries risk was reported to be highest at 2 to 4 years after eruption. We studied the tooth-specific caries risk in three contemporary age cohorts in Finland. All together, 4072 boys and girls were followed annually from age 6 to age 18+ years in three age cohorts born in the 1960s, 19...

journal_title：Journal of dental research

authors： Härkäne T,Larmas MA,Virtanen JI,Arjas E

更新日期：2002-02-01 00:00:00

abstract：:This study describes the formation of a calcium polyacrylate-hydroxyapatite cement. Our hypothesis was that calcium phosphates would rapidly hydrolyze in the presence of polyacrylic acid (PAA) to form a cement. PAA, tetracalcium phosphate (TetCP), and dicalcium phosphate (DCP) were reacted together and formed calcium ...

journal_title：Journal of dental research

authors： TenHuisen KS,Brown PW

更新日期：1994-03-01 00:00:00

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：: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：:The expression of two matrix glycoproteins, tenascin and cellular fibronectin (cFN), has been studied in fully developed human permanent teeth, periodontal ligament, and alveolar bone, in both frozen and paraffin-processed material. Polyclonal antibodies to tenascin and a monoclonal antibody recognizing the ED sequenc...

journal_title：Journal of dental research

authors： Lukinmaa PL,Mackie EJ,Thesleff I

更新日期：1991-01-01 00:00:00

abstract：:The synchronized cyrstal dissolution hypothesis previously proposed to explain the unusual dissolution behavior of human dental enamel and hydroxyapatite in partially saturated acidic media has been critically examined with dissolution-dialysis transport experiments. The findings are in accord with the hypothesis. A m...

journal_title：Journal of dental research

authors： Fawzi MB,Sonobe T,Higuchi WI,Hefferren JJ

更新日期：1977-04-01 00:00:00

abstract：:One of the main goals of bone tissue engineering is to identify and develop new biomaterials and scaffolds for structural support and controlled cell growth, which allow for formation or replacement of bone tissue. Recently, carbon nanotubes (CNT) have emerged as a potential candidate for bone tissue engineering. CNT ...

journal_title：Journal of dental research

authors： Martins-Júnior PA,Alcântara CE,Resende RR,Ferreira AJ

更新日期：2013-07-01 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：:Tooth agenesis is one of the most common developmental anomalies affecting function and esthetics. The paired-domain transcription factor, Pax9, is critical for patterning and morphogenesis of tooth and taste buds. Mutations of PAX9 have been identified in patients with tooth agenesis. Despite significant progress in ...

journal_title：Journal of dental research

authors： Wong SW,Han D,Zhang H,Liu Y,Zhang X,Miao MZ,Wang Y,Zhao N,Zeng L,Bai B,Wang YX,Liu H,Frazier-Bowers SA,Feng H

更新日期：2018-02-01 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：: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