Relationships between masticatory muscle cross-section and skull shape.

abstract：:When one uses composite resins, the curing contraction, the stiffness of the material, and the strength of the vulnerable dentinal bond are important factors in determining the marginal adaptation of the restoration. Calculations based on these intrinsic material properties have indicated that both bulk placement and ...

journal_title：Journal of dental research

authors： Kemp-Scholte CM,Davidson CL

更新日期：1988-05-01 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：:In an attempt to determine the degree of co-activation present in selected cervical muscles during clenching, we instructed 12 male subjects to produce four brief maximum voluntary contraction (MVC) efforts (clenching) in a position of maximum intercuspation. Surface EMG activity was recorded bilaterally from the mass...

journal_title：Journal of dental research

authors： Clark GT,Browne PA,Nakano M,Yang Q

更新日期：1993-11-01 00:00:00

abstract：:Priming with tumor antigens is one of the most important strategies in cancer immunotherapy. To enhance tumor antigenicity, OK-432, a streptococcal preparation, was coupled to squamous cell carcinoma (KLN-205) by means of a 0.2% glutaraldehyde method. The purpose of this study was to investigate whether OK-432-conjuga...

journal_title：Journal of dental research

authors： Li X,Bukawa H,Hirota M,Tsuyuki Y,Omura S,Fujita K

更新日期：2003-08-01 00:00:00

abstract：:The goal of the present investigation was to study whether periodic use of fluoride-gel treatments resulted in an increased prevalence of dental fluorosis. 269 children, from 14 to 16 years of age, who had received semi-annual or quarterly fluoride-gel treatments were examined for possible fluoride-induced enamel chan...

journal_title：Journal of dental research

authors： Larsen MJ,Kirkegård E,Fejerskov O,Poulsen S

更新日期：1985-08-01 00:00:00

abstract：:The temporal and spatial patterns in which teeth are initiated in the growing jaws of embryos are constant for a species but different for different species. The sources of the patterns have been explained in two ways. First, they are the outcome of reactions between molecules created at stationary targets and those w...

journal_title：Journal of dental research

authors： Osborn JW

更新日期：1998-09-01 00:00:00

abstract：:This 24-mo randomized controlled trial was based on a double-blind parallel design, and it compared the effectiveness of 2 fluoride application protocols in arresting dentine caries in primary teeth. Three-year-old children with active dentine caries were recruited and randomly allocated to 2 treatment groups. Childre...

journal_title：Journal of dental research

authors： Chen KJ,Gao SS,Duangthip D,Lo ECM,Chu CH

更新日期：2021-01-01 00:00:00

abstract：:Previous studies of tooth size in twins and their families have suggested a high degree of genetic control, although there have been difficulties separating the various genetic and environmental effects. A genetic analysis of variation in crown size of the permanent incisors of South Australian twins was carried out, ...

journal_title：Journal of dental research

authors： Dempsey PJ,Townsend GC,Martin NG,Neale MC

更新日期：1995-07-01 00:00:00

abstract：:It is claimed that dental fluorosis in both deciduous and permanent teeth is increasing in fluoridated and non-fluoridated communities. What is unclear is whether fluoride-induced enamel opacities in the deciduous dentition are associated with the subsequent appearance of enamel defects in the permanent dentition. The...

journal_title：Journal of dental research

authors： Milsom KM,Woodward M,Haran D,Lennon MA

更新日期：1996-04-01 00:00:00

abstract：:Two series of dental composites, along with the unfilled resin matrix, were examined to determine the effects of filler level and size on selected properties. Both series were prepared by incorporating a silanated barium borosilicate filler into a visible-light-activated polyphenylene polymethacrylate resin matrix. On...

journal_title：Journal of dental research

authors： Li Y,Swartz ML,Phillips RW,Moore BK,Roberts TA

更新日期：1985-12-01 00:00:00

abstract：:The effects of demineralized dentin and bone matrix on dental ectomesenchymal cells were evaluated after observation periods of two or three weeks. Autogenous dentin and bone matrix, obtained from the crowns of primary molars or maxillary cortical bone, respectively, were demineralized with 3% acetic acid and implante...

journal_title：Journal of dental research

authors： Tziafas D,Kolokuris I

更新日期：1990-01-01 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

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：:Early-onset periodontitis (EOP) is considered to have a genetic basis which has not been clearly defined. Genetic polymorphisms of the vitamin D receptor (VDR-B-b) and the immunoglobulin-Fc-gamma receptor IIIb (FcgammaRIIIb-NA1-NA2) are associated with bone metabolism and infectious diseases, respectively. The purpose...

journal_title：Journal of dental research

authors： Yoshihara A,Sugita N,Yamamoto K,Kobayashi T,Miyazaki H,Yoshi H

更新日期：2001-12-01 00:00:00

abstract：:Fluid transudation through simplified dentin adhesives can occur in bonded vital crown dentin, since these adhesives behave as permeable membranes after polymerization. The effect of adhesive permeability in endodontically treated teeth is unknown. This study examined the hypothesis that in vivo fluid movement through...

journal_title：Journal of dental research

authors： Chersoni S,Acquaviva GL,Prati C,Ferrari M,Grandini S,Pashley DH,Tay FR

更新日期：2005-03-01 00:00:00

abstract：:The junctional epithelium (JE) is unique with regard to its wide intercellular spaces and sparsely developed intercellular junctions. Thus, knowledge of the molecular mechanisms that regulate the formation of the intercellular junctions of the junctional epithelium may be essential to understand the pathophysiology of...

journal_title：Journal of dental research

authors： Lee G,Kim HJ,Kim HM

更新日期：2016-03-01 00:00:00

abstract：:The dental follicle (DF) differentiates into the periodontal ligament. In addition, it may be the precursor of other cells of the periodontium, including osteoblasts and cementoblasts. We hypothesized that stem cells may be present in the DF and be capable of differentiating into cells of the periodontium. Stem cells ...

journal_title：Journal of dental research

authors： Yao S,Pan F,Prpic V,Wise GE

更新日期：2008-08-01 00:00:00

abstract：:Medication-related osteonecrosis of the jaw (MRONJ), although initially believed to be exclusively associated with bisphosphonates, has been implicated in recent reports with additional drugs, especially the bone antiresorptive denosumab. The pathophysiology has not been fully elucidated, and no causal association bet...

journal_title：Journal of dental research

authors： Katsarelis H,Shah NP,Dhariwal DK,Pazianas M

更新日期：2015-04-01 00:00:00

abstract：:For practical reasons, evaluation of topical fluoride products must depend upon clinical and laboratory assessments. While not always a good predictor of clinical efficacy by itself, fluoride uptake is the most commonly used laboratory test. A consideration of the relationship between possible anticaries mechanisms of...

journal_title：Journal of dental research

authors： Mellberg JR

更新日期：1990-02-01 00:00:00

abstract：:Loss of hybrid layer integrity compromises resin-dentin bond stability. Matrix metalloproteinases (MMPs) may be partially responsible for hybrid layer degradation. Since chlorhexidine inhibits MMPs, we hypothesized that chlorhexidine would decelerate the loss of resin-dentin bonds. Class I preparations in extracted th...

journal_title：Journal of dental research

authors： Carrilho MR,Carvalho RM,de Goes MF,di Hipólito V,Geraldeli S,Tay FR,Pashley DH,Tjäderhane L

更新日期：2007-01-01 00:00:00

abstract：:Cellular hypoxia may be a useful indication of tissue distress in the dental pulp that could be used to investigate the early stages of pulpal responses. Tritiated misonidazole (3H-MISO) is a marker which preferentially labels cells with decreased oxygen tension (hypoxia). The experiments reported here were carried ou...

journal_title：Journal of dental research

authors： Baumgardner KR,Walton RE,Osborne JW,Born JL

更新日期：1996-10-01 00:00:00

abstract：:The presence and kinetics of bone-resorbing activity in periapical lesions were studied with a rat model system. Lesions were found to expand most rapidly between induction on day 0 and day 15 ("active phase"), with enlargement occurring at a slower rate thereafter (days 20 and 30, "chronic phase"), as assessed by mea...

journal_title：Journal of dental research

authors： Wang CY,Stashenko P

更新日期：1991-10-01 00:00:00

abstract：:The pellicle serves as a multifunctional protective layer, providing, e.g., lubrication and remineralization and also acting as a diffusion barrier. In addition, since the formation of the pellicle precedes the adhesion of micro-organisms, it is also important as a conditioning film. We present a novel approach to stu...

journal_title：Journal of dental research

authors： Sotres J,Pettersson T,Lindh L,Arnebrant T

更新日期：2012-10-01 00:00:00

abstract：:PAX9 is a transcription factor expressed in the tooth mesenchyme during tooth morphogenesis. In Pax9-null mice, tooth development is arrested at the bud stage. In humans, heterozygous mutations in PAX9 have been associated with non-syndromic tooth agenesis, predominantly in the molars. Here, we report 2 novel mutation...

journal_title：Journal of dental research

authors： Mitsui SN,Yasue A,Masuda K,Watanabe K,Horiuchi S,Imoto I,Tanaka E

更新日期：2014-03-01 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：:Silver cations generated by passing low intensity direct current through pure silver electrodes were found to be sufficiently antibacterial to cause sterilization of samples of infected dentin. The optimal procedure involved a 5 microA current applied for 20 minutes with the anode then left in contact with the sample....

journal_title：Journal of dental research

authors： Thibodeau EA,Handelman SL,Marquis RE

更新日期：1978-09-01 00:00:00

abstract：:The dental pulp in human primary teeth is densely innervated by a plethora of nerve endings at the coronal pulp-dentin interface. This study analyzed how the physiological root resorption (PRR) process affects dental pulp innervation before exfoliation of primary teeth. Forty-four primary canine teeth, classified into...

journal_title：Journal of dental research

authors： Suzuki K,Lovera M,Schmachtenberg O,Couve E

更新日期：2015-10-01 00:00:00

abstract：:It is shown that the creep behavior of a commercial dispersant-amalgam containing copper is improved by the addition of a manganese-containing alloy. This improvement is apparently obtained without any serious changes in corrosion resistance, provided that no more than 20% of the Mn alloy is added. ...

journal_title：Journal of dental research

authors： Waterstrat RM

更新日期：1978-09-01 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 main goal of peri-implantitis treatment is to control infection and arrest bone loss, which requires the removal of polymicrobial biofilms on the implant surface and the reduction of tissue invasion. Additionally, prognosis can be improved if reosseointegration occurs on previously contaminated implants. To evalua...

journal_title：Journal of dental research

authors： Qin W,Wang C,Jiang C,Sun J,Yu C,Jiao T

更新日期：2020-07-01 00:00:00