Calcifiability comparison among selected microorganisms.

abstract：:Stable fluoride-resistant mutants of Streptococcus mutans GS-5 were isolated on Todd-Hewitt agar by a step-wise selection procedure. Resistance is defined here as the ability to form colonies in 48 hr. First-step mutants demonstrated six different levels of resistance, ranging from 400 to 1000 micrograms/mL sodium flu...

journal_title：Journal of dental research

authors： Brussock SM,Kral TA

更新日期：1987-10-01 00:00:00

abstract：:This randomized controlled trial aimed to evaluate the duration and outcome quality of orthodontic treatment with a customized fixed appliance system versus a noncustomized system. Patients ( n = 180) were randomized and received orthodontic treatment with the Insignia customized orthodontic system or the Damon Q nonc...

journal_title：Journal of dental research

authors： Penning EW,Peerlings RHJ,Govers JDM,Rischen RJ,Zinad K,Bronkhorst EM,Breuning KH,Kuijpers-Jagtman AM

更新日期：2017-12-01 00:00:00

abstract：:Previous findings from studies utilizing human labial and palatine minor salivary glands are reviewed. These studies took histopathological, biochemical, and ultrastructural approaches, and focused on control and diseased glands. Disease-oriented summarization are used, and control results are discussed in the context...

journal_title：Journal of dental research

authors： Izutsu KT,Schubert MM,Truelove EL,Johnson DE

更新日期：1987-02-01 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：:The purpose of this study was to determine the surface roughness of enamel-to-enamel contact areas in order to provide a standard for comparison with surface characteristics of commercially available composite restorative materials. In addition, the inherent surface roughness of resin composites was evaluated profilom...

journal_title：Journal of dental research

authors： Willems G,Lambrechts P,Braem M,Vuylsteke-Wauters M,Vanherle G

更新日期：1991-09-01 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：:Epstein-Barr virus (EBV), in addition to its transforming properties, contributes to the pathogenesis of several inflammatory diseases. Here, we investigated its involvement in oral lichen planus (OLP), a common autoimmune-like disease of unknown etiopathogenesis that can display a malignant potential. EBV-infected ce...

journal_title：Journal of dental research

authors： Raybaud H,Olivieri CV,Lupi-Pegurier L,Pagnotta S,Marsault R,Cardot-Leccia N,Doglio A

更新日期：2018-12-01 00:00:00

abstract：:Carbamide peroxide (CP) is widely used as a tooth-whitening agent in self-administered tooth-bleaching products. In this study, the effects of 5% and 10% CP on dentinal collagen structure and chemical properties were evaluated in vitro. Thirty-five intact teeth were exposed to 2 whitening protocols (2 or 4 h daily) wi...

journal_title：Journal of dental research

authors： Redha O,Strange A,Maeva A,Sambrook R,Mordan N,McDonald A,Bozec L

更新日期：2019-04-01 00:00:00

abstract：:The aim of the present in vitro experiments was to determine whether the protection of enamel by topically applied fluoride against demineralization by bacterial acids would depend on the fluoride sensitivity of the bacteria. Glucose-agarose gel suspensions of fluoride-sensitive and fluoride-resistant mutans streptoco...

journal_title：Journal of dental research

authors： van Loveren C,Buijs JF,ten Cate JM

更新日期：1993-08-01 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：:Resolvins are potent anti-inflammatory mediators derived from ω-3 fatty acids. Results from our previous studies indicated that resolvin D1 (RvD1) blocks pro-inflammatory responses in salivary glands. Furthermore, RvD1 enhances salivary epithelial integrity, demonstrating its potential use for the restoration of saliv...

journal_title：Journal of dental research

authors： Leigh NJ,Nelson JW,Mellas RE,Aguirre A,Baker OJ

更新日期：2014-03-01 00:00:00

abstract：:Gingival overgrowth tissues have thickened connective tissue stroma, sometimes accompanied by the increased presence of collagen fibers, thickened epithelia, and elongated rete pegs. We have previously shown that expression of CCN2, also known as connective tissue growth factor (CTGF), correlates positively with the d...

journal_title：Journal of dental research

authors： Kantarci A,Nseir Z,Kim YS,Sume SS,Trackman PC

更新日期：2011-07-01 00:00:00

abstract：:A dental appointment commonly prompts fear of a painful experience, yet we have never fully understood how our brains react to the expectation of imminent tooth pain once in a dental chair. In our study, 21 patients with hypersensitive teeth were tested using nonpainful and painful stimuli in a clinical setting. Subje...

journal_title：Journal of dental research

authors： Racek AJ,Hu X,Nascimento TD,Bender MC,Khatib L,Chiego D Jr,Holland GR,Bauer P,McDonald N,Ellwood RP,DaSilva AF

更新日期：2015-07-01 00:00:00

abstract：:The ability of adhesive resins to restore the physical properties of demineralized dentin has not been well-documented. The unfilled resins that are used for adhesion have relatively low moduli of elasticity and limited ability to increase dentin stiffness, although they may increase the ultimate tensile strength of d...

journal_title：Journal of dental research

authors： Sano H,Takatsu T,Ciucchi B,Russell CM,Pashley DH

更新日期：1995-04-01 00:00:00

abstract：:Local administrations of prostaglandins E1 or E2 combined with orthodontic tooth movement can approximately double the rate of tooth movement in monkeys compared to that of the control. Macroscopically, no side-effect was observed in the gingiva and associated structures. ...

journal_title：Journal of dental research

authors： Yamasaki K,Shibata Y,Fukuhara T

更新日期：1982-12-01 00:00:00

abstract：:Calcitonin gene-related peptide (CGRP) plays a crucial role in the modulation of orofacial pain, and we hypothesized that CGRP mediated a neuron-glia crosstalk in orofacial pain. The objective of this study was to elucidate the mechanisms whereby CGRP mediated trigeminal neuron-glia crosstalk in modulating orofacial p...

journal_title：Journal of dental research

authors： Liang H,Hu H,Shan D,Lyu J,Yan X,Wang Y,Jian F,Li X,Lai W,Long H

更新日期：2021-01-01 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：:The periodontal ligament (PDL) works as a suspensory ligament when external mechanical stress is placed on the teeth. PDL fibroblasts, the principal cells in the PDL, are responsible for many PDL functions. We hypothesized that mechanosensitive ion channels are present in human PDL fibroblasts, which are capable of re...

journal_title：Journal of dental research

authors： Ohara A,Saeki Y,Nishikawa M,Yamamoto Y,Yamamoto G

更新日期：2006-07-01 00:00:00

abstract：:Frequent consumption of cariogenic foods and bacterial infection are risk factors for early childhood caries (ECC). This study hypothesized that a short diet survey focused on frequency of foods, categorized by putative cariogenicity, would differentiate severe ECC (S-ECC) from caries-free children. Children's diets w...

journal_title：Journal of dental research

authors： Palmer CA,Kent R Jr,Loo CY,Hughes CV,Stutius E,Pradhan N,Dahlan M,Kanasi E,Arevalo Vasquez SS,Tanner AC

更新日期：2010-11-01 00:00:00

abstract：:The fluid in and gingival tissue lining periodontal pockets were collected from male patients undergoing periodontal therapy. The collagenolytic activity of the crevicular fluid, and the ability of the gingiva in culture to degrade (a) an exogenous collagen substrate, and (b) endogenous collagen newly synthesized and ...

journal_title：Journal of dental research

authors： Golub LM,Kaplan R,Mulvihill JE,Ramamurthy NS

更新日期：1979-11-01 00:00:00

abstract：:Much research has been devoted to the study of etched enamel, since it is critical to bonding. Currently, there are no precise data regarding the etched-enamel specific surface area. The aim of this study was to characterize, by two different methods, the surface of human dental enamel in vitro after being etched. It ...

journal_title：Journal of dental research

authors： Orellana MF,Nelson AE,Carey JP,Heo G,Boychuk DG,Major PW

更新日期：2008-06-01 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：:The effects of thermal stress on the marginal leakage of resin composite restorations in bovine teeth were investigated by a method that preserved the specimens. The changes in marginal leakage of specimens with increasing numbers of thermal cycles were measured by an electrical conductivity method. Four brands of pos...

journal_title：Journal of dental research

authors： Momoi Y,Iwase H,Nakano Y,Kohno A,Asanuma A,Yanagisawa K

更新日期：1990-10-01 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：:Clinical evidence is lacking regarding the influence of the amount of residual coronal dentin and of post placement on the failure risk of endodontically compromised teeth. The aim of this prospective clinical trial was to assess whether these factors significantly affect the two-year survival of restored pulpless pre...

journal_title：Journal of dental research

authors： Ferrari M,Cagidiaco MC,Grandini S,De Sanctis M,Goracci C

更新日期：2007-08-01 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：: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：: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：:The recent bioengineering of complex tooth structures from pig tooth bud tissues suggests the potential for the regeneration of mammalian dental tissues. We have improved tooth bioengineering methods by comparing the utility of cultured rat tooth bud cells obtained from three- to seven-day post-natal (dpn) rats for to...

journal_title：Journal of dental research

authors： Duailibi MT,Duailibi SE,Young CS,Bartlett JD,Vacanti JP,Yelick PC

更新日期：2004-07-01 00:00:00

abstract：:Stress analyses are presented for a second mandibular premolar with a class 1 amalgam restoration. The effects of amalgam setting and thermal expansions are examined. An axisymmetric representation of the structure is used and the analyses are carried out by the finite element method. Lined and unlined restorations ar...

journal_title：Journal of dental research

authors： Wright KW,Yettram AL

更新日期：1978-05-01 00:00:00