Threshold for detection of incisal forces is increased by jaw movement.

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：: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：:Interfacial bond strengths of light-activated composites were measured as a function of age using a transverse strength test. Bond strength between layers decreased with the age of the initial layer and reflected the setting curves of the composites. The highly-filled composites exhibited the greatest bond strengths. ...

journal_title：Journal of dental research

authors： Boyer DB,Chan KC,Reinhardt JW

更新日期：1984-10-01 00:00:00

abstract：:Glass-ionomer cements (GICs) are regarded as aqueous gels made up of polyalkenoic acid salts containing ion-leachable glass fillers. The consequence of water permeation across the GIC-dentin interface is unknown. This study used SEM, field-emission/environmental SEM (FE-ESEM), and TEM to examine the ultrastructure of ...

journal_title：Journal of dental research

authors： Yiu CK,Tay FR,King NM,Pashley DH,Sidhu SK,Neo JC,Toledano M,Wong SL

更新日期：2004-04-01 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：:The pathophysiology of painful temporomandibular disorders is not fully understood, but evidence suggests that muscle pain modulates motor function in characteristic ways. This study tested the hypothesis that activation of nociceptive muscle afferent fibers would be linked to an increased excitability of the human ja...

journal_title：Journal of dental research

authors： Wang K,Arendt-Nielsen L,Svensson P

更新日期：2002-09-01 00:00:00

abstract：:Mandibular prognathism (MP) is a recognizable phenotype associated with dentoskeletal class III malocclusion. MP is a complex genetic trait, although familial recurrence also suggests the contribution of single inherited variations. To date, the genetic causes of MP have been investigated using linkage analysis or ass...

journal_title：Journal of dental research

authors： Perillo L,Monsurrò A,Bonci E,Torella A,Mutarelli M,Nigro V

更新日期：2015-04-01 00:00:00

abstract：:Greater fluoride concentrations were obtained in enamel treated with phosphate/fluoride solutions than in that treated with TiF4 at similar pH's (1.0) and F concentrations (0.6M F and 1.6M F). However, fluoride solution without added phosphate at pH 1.0 and 1.6M F concentration produced lower fluoride concentrations i...

journal_title：Journal of dental research

authors： Clarkson B,Wefel J

更新日期：1979-02-01 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：:Our long-term objective is to devise methods to improve osteotomy site preparation and, in doing so, facilitate implant osseointegration. As a first step in this process, we developed a standardized oral osteotomy model in ovariectomized rats. There were 2 unique features to this model: first, the rats exhibited an os...

journal_title：Journal of dental research

authors： Chen CH,Pei X,Tulu US,Aghvami M,Chen CT,Gaudillière D,Arioka M,Maghazeh Moghim M,Bahat O,Kolinski M,Crosby TR,Felderhoff A,Brunski JB,Helms JA

更新日期：2018-04-01 00:00:00

abstract：:The monomer triethyleneglycoldimethacrylate (TEGDMA) is used as a diluent in many resin-based dental materials. It was previously shown in vitro that TEGDMA was released into the adjacent biophase from such materials during the first days after placement. In this study, the uptake, distribution, and excretion of 14C-T...

journal_title：Journal of dental research

authors： Reichl FX,Durner J,Hickel R,Kunzelmann KH,Jewett A,Wang MY,Spahl W,Kreppel H,Moes GW,Kehe K,Walther U,Forth W,Hume WR

更新日期：2001-05-01 00:00:00

abstract：:Relative glycogen synthetic abilities of resting cells of fresh clinical isolates of Actinomyces viscosus and Actinomyces naeslundii originating from dental plaque samples over root surface caries lesions and non-carious sites were studied under anaerobic conditions at a constant pH of 7.0, with U-(14C)-glucose used a...

journal_title：Journal of dental research

authors： Komiyama K,Khandelwal RL,Duncan DE

更新日期：1986-06-01 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：:Attempts to produce resin composite with antibacterial properties by incorporation of an antibacterial agent such as chlorhexidine have been reported, but problems can arise due to release of the inhibitory agent from the composite. Such problems may include toxic effects, influence on mechanical properties, and loss ...

journal_title：Journal of dental research

authors： Imazato S,Torii M,Tsuchitani Y,McCabe JF,Russell RR

更新日期：1994-08-01 00:00:00

abstract：:We placed an MOD preparation in each of 12 permanent molars, then restored each tooth with a posterior composite resin by means of six different application techniques (I-polymerization as one complete unit; II--polymerization as one complete unit with glass inserts; III--polymerization in gingivo-occlusal increments;...

journal_title：Journal of dental research

authors： Donly KJ,Wild TW,Bowen RL,Jensen ME

更新日期：1989-08-01 00:00:00

abstract：:Locally applied bisphosphonates may improve the fixation of metal implants in bone. However, systemic bisphosphonate treatment is associated with a risk of osteonecrosis of the jaw (ONJ). We hypothesized that local delivery of bisphosphonate from the implant surface improves the fixation of dental implants without com...

journal_title：Journal of dental research

authors： Abtahi J,Agholme F,Sandberg O,Aspenberg P

更新日期：2013-03-01 00:00:00

abstract：:The flexure moduli of elasticity of solid and multi-stranded orthodontic wires were determined. Results for the solid wires approximated their tensile values, but the differences were statistically significant for the stainless steel, chromium-cobalt-nickel, and nickel-titanium alloys. The flexure moduli of the multi-...

journal_title：Journal of dental research

authors： Goldberg AJ,Morton J,Burstone CJ

更新日期：1983-07-01 00:00:00

abstract：:During orofacial tissue development, the anterior and posterior regions of the Meckel's cartilage undergo mineralization, while the middle region undergoes degeneration. Despite the interesting and particular phenomena, the mechanisms that regulate the different fates of Meckel's cartilage, including the effects of bi...

journal_title：Journal of dental research

authors： Farahat M,Kazi GAS,Hara ES,Matsumoto T

更新日期：2021-02-01 00:00:00

abstract：:Previously, we reported that the rate (R) of hydroxyapatite dissolution in acetic, lactic, and phosphoric acid solutions is a function of the degree of saturation with respect to the dissolving mineral, DS (defined as the ratio of the mean ionic activity product for hydroxyapatite [Ca5OH(PO4)3] in solution to its solu...

journal_title：Journal of dental research

authors： Margolis HC,Zhang YP,Lee CY,Kent RL Jr,Moreno EC

更新日期：1999-07-01 00:00:00

abstract：:A multiple logistic regression analysis was used to compute the odds ratios for 11 common occlusal features for asymptomatic controls (n = 147) vs. five temporomandibular disorder groups: Disc Displacement with Reduction (n = 81), Disc Displacement without Reduction (n = 48), Osteoarthrosis with Disc Displacement Hist...

journal_title：Journal of dental research

authors： Pullinger AG,Seligman DA,Gornbein JA

更新日期：1993-06-01 00:00:00

abstract：:Recent studies have shown that the extent of hydrolysis by plaque of the trypsin substrate, N-benzoyl-DL-arginine-2-naphthylamide (BANA), correlates with the numbers and proportions of spirochetes in subgingival plaque samples, and appears to be an indicator of clinical disease. In this study, BANA hydrolysis by subgi...

journal_title：Journal of dental research

authors： Schmidt EF,Bretz WA,Hutchinson RA,Loesche WJ

更新日期：1988-12-01 00:00:00

abstract：:We have investigated the role of the activation of nuclear poly(ADP-ribose) polymerase (PARP) enzyme, a mediator of downstream nitric oxide toxicity, using a combined approach of pharmacological inhibition and genetic disruption in a ligature-induced-periodontitis model in rats and mice. Immunohistochemical analysis r...

journal_title：Journal of dental research

authors： Lohinai Z,Mabley JG,Fehér E,Marton A,Komjáti K,Szabó C

更新日期：2003-12-01 00:00:00

abstract：:Remineralization of demineralized dentin lesions adjacent to glass-ionomer cements (GICs) has been reported in the literature. This study tested the hypothesis that a strontium-based GIC can remineralize completely demineralized dentin by nucleation of new apatite crystallites within an apatite-free dentin matrix. Hum...

journal_title：Journal of dental research

authors： Kim YK,Yiu CK,Kim JR,Gu L,Kim SK,Weller RN,Pashley DH,Tay FR

更新日期：2010-03-01 00:00:00

abstract：:Although systemic bone loss accompanying estrogen deficiency has been proposed as a risk factor for periodontal disease in post-menopausal women, the mechanisms involved remain unclear. The objective of this study was to elucidate the potential bone-sparing effect of estrogen (17beta-estradiol, E(2)) via modulation of...

journal_title：Journal of dental research

authors： Shu L,Guan SM,Fu SM,Guo T,Cao M,Ding Y

更新日期：2008-02-01 00:00:00

abstract：:The discoidin domain receptors, DDR1 and DDR2, are nonintegrin collagen receptors and tyrosine kinases. DDRs regulate cell functions, and their extracellular domains affect collagen fibrillogenesis and mineralization. Based on the collagenous nature of dentoalveolar tissues, we hypothesized that DDR1 plays an importan...

journal_title：Journal of dental research

authors： Chavez MB,Kolli TN,Tan MH,Zachariadou C,Wang C,Embree MC,Lira Dos Santos EJ,Nociti FH Jr,Wang Y,Tatakis DN,Agarwal G,Foster BL

更新日期：2019-12-01 00:00:00

abstract：:We evaluated the histopathological response of the periodontal membrane to intentionally-replanted teeth carrying composite (experimental) and silver amalgam (control) restorations in the middle third of each root. The study revealed that the amalgam produced, in the periodontal tissues, an initial localized inflammat...

journal_title：Journal of dental research

authors： Nasjleti CE,Castelli WA,Caffesse RG

更新日期：1983-01-01 00:00:00

abstract：:Several studies have shown that surgical detachment of marginal gingiva close to the cervical cementum of molar teeth in a rat mandible is a distinct stimulus for alveolar bone resorption. Recently, we found that P2X4, an ATP-receptor, is significantly up-regulated in marginal gingival cells soon after surgery. We hyp...

journal_title：Journal of dental research

authors： Binderman I,Bahar H,Jacob-Hirsch J,Zeligson S,Amariglio N,Rechavi G,Shoham S,Yaffe A

更新日期：2007-02-01 00:00:00

abstract：:Urinary catecholamines have been used to measure emotionally stressful states which may affect the development of dental caries. This study investigates the hypothesis that children with and without dental caries do not differ significantly in the mean values of urinary catecholamines such as epinephrine, norepinephri...

journal_title：Journal of dental research

authors： Vanderas AP,Manetas C,Papagiannoulis L

更新日期：1995-10-01 00:00:00

abstract：:As a major intracellular degradation and recycling machinery, autophagy plays an important role in maintaining cellular homeostasis and remodeling during normal development. Our previous study showed that fluorapatite (FA) crystal-coated electrospun polycaprolactone (PCL) was capable of inducing differentiation and mi...

journal_title：Journal of dental research

authors： Li Y,Guo T,Zhang Z,Yao Y,Chang S,Nör JE,Clarkson BH,Ni L,Liu J

更新日期：2016-06-01 00:00:00

abstract：:The effect of pH on the growth and proteolytic activity of the type strain and fresh isolates of Porphyromonas gingivalis and Bacteroides intermedius was investigated. B. intermedius strains grew with and without glucose at a pH as low as 5.0. These bacteria grew almost as well as Streptococcus mutans at pH 5.0 and be...

journal_title：Journal of dental research

authors： Takahashi N,Schachtele CF

更新日期：1990-06-01 00:00:00