Tensile characterization of porcine temporomandibular joint disc attachments.

abstract：:In the past two decades, accumulated evidence has clearly demonstrated the inhibitory effects of laser irradiation on enamel demineralization, but the exact mechanisms of these effects remain unclear. The purpose of this study was to investigate the effects of low-energy CO2 laser irradiation on demineralization of bo...

journal_title：Journal of dental research

authors： Hsu CY,Jordan TH,Dederich DN,Wefel JS

更新日期：2000-09-01 00:00:00

abstract：:Gingival overgrowth is a common side-effect of the administration of cyclosporin A (CSA), phenytoin, and calcium blockers. To identify the signaling mechanisms possibly involved in the overgrowth, we examined how CSA affects the activities of MAP kinases and transcription factors in human gingival fibroblasts (HGF). T...

journal_title：Journal of dental research

authors： Bostrom A,Bharath H,Saulewicz A,Narayanan AS

更新日期：2005-06-01 00:00:00

abstract：:This study contains the first part of a research project in which the applicability of fracture mechanics parameters to predict failure of a restored tooth was investigated. Fracture mechanics parameters have been used in dental research before, but were restricted to comparative studies between various brands of comp...

journal_title：Journal of dental research

authors： De Groot R,Van Elst HC,Peters MC

更新日期：1988-06-01 00:00:00

abstract：:Two independent cross-over studies investigated the possibility of enhanced early enamel lesion remineralization with the use of chewing gum. The first study involved a sorbitol-containing chewing gum, and the second, which had an identical protocol, tested a sucrose-containing chewing gum. In each study, 12 volunteer...

journal_title：Journal of dental research

authors： Creanor SL,Strang R,Gilmour WH,Foye RH,Brown J,Geddes DA,Hall AF

更新日期：1992-12-01 00:00:00

abstract：:In comparison with control rats. chronic administration of isoproterenol (IPR) caused enlargement of the parotid and submandibular glands and the synthesis of apparently new proteins, probably by acinar cells. The parotid and submandibular saliva secreted in response to methoxamine or IPR differed markedly in protein ...

journal_title：Journal of dental research

authors： Abe K,Dawes C

更新日期：1980-06-01 00:00:00

abstract：:Mutations in ALPL result in hypophosphatasia (HPP), a disease causing defective skeletal mineralization. ALPL encodes tissue nonspecific alkaline phosphatase (ALP), an enzyme that promotes mineralization by reducing inorganic pyrophosphate, a mineralization inhibitor. In addition to skeletal defects, HPP causes dental...

journal_title：Journal of dental research

authors： Foster BL,Sheen CR,Hatch NE,Liu J,Cory E,Narisawa S,Kiffer-Moreira T,Sah RL,Whyte MP,Somerman MJ,Millán JL

更新日期：2015-05-01 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：: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：:Chemotherapeutics are presently considered for use in caries-preventive programs. The laboratory and in vivo testing of these agents, to some extent, parallels the methodology developed for the evaluation of fluoride products. However, fluoride is primarily effective by interfering with the de- and remineralization ba...

journal_title：Journal of dental research

authors： ten Cate JM,Marsh PD

更新日期：1994-03-01 00:00:00

abstract：:Periodontal disease is a bacterial infection that results in inflammatory destruction of tissues that support the teeth, including connective tissue and bone. In this study, we report that transgenic mice that overexpress the 17-kDa form of IL-1alpha in the basal layer of oral mucosal epithelium develop a syndrome tha...

journal_title：Journal of dental research

authors： Dayan S,Stashenko P,Niederman R,Kupper TS

更新日期：2004-10-01 00:00:00

abstract：:Mutans streptococci (MS) are generally considered to be the principal etiological agent of dental caries. MS have two important virulence factors: cell- surface protein PAc and glucosyltransferases (GTFs). GTFs have two functional domains: an N-terminal catalytic sucrose-binding domain (CAT) and a C-terminal glucan-bi...

journal_title：Journal of dental research

authors： Niu Y,Sun J,Fan M,Xu QA,Guo J,Jia R,Li Y

更新日期：2009-05-01 00:00:00

abstract：:Dental diseases are now viewed as a consequence of a deleterious shift in the balance of the normally stable resident oral microbiome. It is known that frequent carbohydrate consumption or reduced saliva flow can lead to caries, and excessive plaque accumulation increases the risk of periodontal diseases. However, whe...

journal_title：Journal of dental research

authors： Rosier BT,Marsh PD,Mira A

更新日期：2018-04-01 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：:Pure gutta-percha was heat-treated in a differential thermal analyzer. The high melting form crystallized on cooling when gutta-percha was heated to 70 C or less. Above 74 C, crystallization into the low melting form predominated. Either polymorph can be selectively crystallized by control of the heat-treatment temper...

journal_title：Journal of dental research

authors： Rootare HM,Powers JM

更新日期：1977-12-01 00:00:00

abstract：:A radiotracer technique was used to study silver and gold diffusion into dental porcelain under experimental conditions close to the real conditions in prosthetic laboratories for porcelain bakes. It was clearly shown that these non-oxidizable elements were able to diffuse into the ceramic as well as oxidizable ones. ...

journal_title：Journal of dental research

authors： Moya F,Payan J,Bernardini J,Moya EG

更新日期：1987-12-01 00:00:00

abstract：:Samples of dental plaque obtained from the interproximal tooth surfaces of seven young men showed considerable variation in the prevalence and anatomic site distribution of the potentially cariogenic microorganism S mutans. Multiple application of 10% SnF2 topical solution and saline solution delivered to interproxima...

journal_title：Journal of dental research

authors： Keene HJ,Shklair IL,Mickel GJ

更新日期：1977-01-01 00:00:00

abstract：:Teeth develop through distinct morphological stages. At the cap stage, a compactly clustered and concentrically arranged cell mass, the enamel knot, appears at the tip of the enamel organ. Cells in this knot express sets of key molecules, and as such have been proposed to act as a signaling center directing tooth morp...

journal_title：Journal of dental research

authors： Liu M,Zhao S,Wang XP

更新日期：2014-05-01 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：: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：:This study's objective was to identify, in a statistically valid and efficient manner, the risk factors associated with dental implant failure. We hypothesize that factors exist which can be modified by clinicians to enhance outcome. A retrospective cohort study design was used. Cohort members had >or= one implant pla...

journal_title：Journal of dental research

authors： Chuang SK,Wei LJ,Douglass CW,Dodson TB

更新日期：2002-08-01 00:00:00

abstract：:Cementum is known to be growth-hormone (GH)-responsive, but to what extent is unclear. This study examines the effects of extremes of GH status on cementogenesis in three lines of genetically modified mice; GH excess (giant), GH antagonist excess (dwarf), and GH receptor-deleted (GHR-KO) (dwarf). Age-matched mandibula...

journal_title：Journal of dental research

authors： Smid JR,Rowland JE,Young WG,Daley TJ,Coschigano KT,Kopchick JJ,Waters MJ

更新日期：2004-01-01 00:00:00

abstract：:Pulpal blood flow was determined in 32 dogs ranging in age from 6 weeks to 18 months by the isotope fractionation method incorporating diffusible and nondiffusible tracers. Dogs were placed into selected age groups by the developmental status of the canine teeth. For the teeth sampled, the maxillary first, second, and...

journal_title：Journal of dental research

authors： Path MG,Meyer MW

更新日期：1977-10-01 00:00:00

abstract：:Pilocarpine (P) is of potential utility in the treatment of xerostomia. Because optimal development of P dosage forms for humans requires that its pharmacokinetics and pharmacodynamics be defined, this intravenous study of its disposition and associated salivary responses was performed. In a hospital setting, two heal...

journal_title：Journal of dental research

authors： Tanzer JM,Kramer PA,Schulman P,Willard AK

更新日期：1995-12-01 00:00:00

abstract：:This study was conducted to test the hypothesis that physiological changes which occur during aging increase the biological impact of fluoride and reduce the threshold of safe fluoride exposure. Four groups of rats were fed a low-fluoride diet (< 1.2 ppm) ad libitum and received 0, 5, 15, or 50 ppm fluoride in their d...

journal_title：Journal of dental research

authors： Dunipace AJ,Brizendine EJ,Zhang W,Wilson ME,Miller LL,Katz BP,Warrick JM,Stookey GK

更新日期：1995-01-01 00:00:00

abstract：:The aim of this study was to assess the effect of chewing gum containing phosphoryl oligosaccharides of calcium (POs-Ca) and a low concentration of fluoride (F) on the hardness of enamel subsurface lesions, utilizing a double-blind, randomized, and controlled in situ model. Fifteen individuals wore removable lingual a...

journal_title：Journal of dental research

authors： Kitasako Y,Sadr A,Hamba H,Ikeda M,Tagami J

更新日期：2012-04-01 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：:Numerous studies have demonstrated that many older adults have problems chewing, pain, difficulties in eating, and problems in social relationships because of oral disorders. However, it is not clear if these functional and psychosocial outcomes affect broader psychological well-being and life satisfaction. Consequent...

journal_title：Journal of dental research

authors： Locker D,Clarke M,Payne B

更新日期：2000-04-01 00:00:00

abstract：:The acute effects of smokeless tobacco (ST) on buccal mucosal transport and barrier function were studied by means of in vivo and in vitro techniques. In humans, in vivo exposure to 0.5 g ST transiently increased the transmural electrical potential difference (PD). However, despite continued exposure, PD returned to b...

journal_title：Journal of dental research

authors： Tobey NA,Schreiner VJ,Readling RD,Orlando RC

更新日期：1988-11-01 00:00:00

abstract：:Three single-composition, high-copper amalgams were analyzed for the composition of their before- and after-reaction phases. The method used was electron probe microanalysis. The results may be summarized as follows: All alloys consist essentially of Ag3Sn (gamma), Cu3Sn (epsilon), and, in some cases, Ag4Sn (beta). Wh...

journal_title：Journal of dental research

authors： Mahler DB,Adey JD

更新日期：1984-06-01 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