Effects of ultrasound modes on mandibular osteodistraction.

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：:Although the occlusal vertical dimension (OVD) is strictly controlled, the neuronal mechanism of its regulation is still unclear. We hypothesize that neurons in the trigeminal mesencephalic nucleus (MesV) play an important role in the regulation of the OVD, because the MesV receives the projection from jaw-closing mus...

journal_title：Journal of dental research

authors： Zhang W,Kobayashi M,Moritani M,Masuda Y,Dong J,Yagi T,Maeda T,Morimoto T

更新日期：2003-07-01 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：:This study aims at modifying dual-cure composite cements by adding thio-urethane oligomers to improve mechanical properties, especially fracture toughness, and reduce polymerization stress. Thiol-functionalized oligomers were synthesized by combining 1,3-bis(1-isocyanato-1-methylethyl)benzene with trimethylol-tris-3-m...

journal_title：Journal of dental research

authors： Bacchi A,Dobson A,Ferracane JL,Consani R,Pfeifer CS

更新日期：2014-12-01 00:00:00

abstract：:The antimicrobial and cariostatic activities of the dihydrochloride and dihydrofluoride salts of alexidine (1,6-bis-[2-ethylhexylbiguanido]hexane) were compared to those of chlorhexidine acetate and sodium fluoride in rats implanted orally with Streptococcus mutans 6715 and fed a cariogenic diet. Experimental caries w...

journal_title：Journal of dental research

authors： Curtis SN,Dooley CL

更新日期：1979-04-01 00:00:00

abstract：:Titanium-polymethacrylate composite was prepared as an x-ray-opaque filler for composite core materials. The base monomers of the composite were 2,2-bis [4-(3-methacryloyloxy-2-hydroxypropoxy) phenyl] propane (Bis-GMA) and triethyleneglycol dimethacrylate (TEGDMA). Pure titanium powder was used as a radiopaque element...

journal_title：Journal of dental research

authors： Matsumura H,Sueyoshi M,Atsuta M

更新日期：1992-01-01 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：:The oral microbiota was compared between Romanian adolescents with a high prevalence of caries and no dental care and Swedish caries-active and caries-free adolescents in caries prevention programs and with a low prevalence of caries. Biofilm samples were analyzed by FLX+ pyrosequencing of the V1 to V4 hypervariable r...

journal_title：Journal of dental research

authors： Johansson I,Witkowska E,Kaveh B,Lif Holgerson P,Tanner AC

更新日期：2016-01-01 00:00:00

abstract：:Synovitis in internal derangement of the temporomandibular joint (TMJ) is accompanied by the growth of new blood vessels. Fibroblast growth factor-2 (FGF-2) and vascular endothelial growth factor (VEGF) are well-characterized angiogenic factors. The objective of this study was to elucidate the correlation between the ...

journal_title：Journal of dental research

authors： Sato J,Segami N,Yoshitake Y,Nishikawa K

更新日期：2003-04-01 00:00:00

abstract：:Pieces of fresh rat incisor enamel were extracted with various buffer solutions and prepared for electron microscopy. I observed partial or complete removal of organic constituents, shrinkage of rods and interrods, separation of stippled material from the enamel, and partial decalcification. The results modify the con...

journal_title：Journal of dental research

authors： Kallenbach E

更新日期：1982-12-01 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：:Significant differences exist between human and Macaca fascicularis patterns of mandibular movement during mastication. Macaque patterns display less asymmetry, more uniformity, and limited lateral excursions when compared to humans for mastication of the same food. Different anatomical structures between the two spec...

journal_title：Journal of dental research

authors： Byrd KE,Milberg DJ,Luschei ES

更新日期：1978-07-01 00:00:00

abstract：:The tooth resistance measuring instrument was compared to the traditional method of the explorer examination for the detection of occlusal carious lesions. The findings of the instrument were more sensitive as compared to the traditional method when verified by a histological examination. ...

journal_title：Journal of dental research

authors： White GE,Tsamtsouris A,Williams DL

更新日期：1978-02-01 00:00:00

abstract：:Although it has been shown that patients are more satisfied with prostheses supported by implants than with conventional dentures, there have been few direct comparisons of the various designs of implant-supported prostheses. This within-subject crossover clinical trial was designed to compare two forms of removable p...

journal_title：Journal of dental research

authors： Tang L,Lund JP,Taché R,Clokie CM,Feine JS

更新日期：1997-10-01 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：:Fibroblast growth factor (FGF) signaling has been implicated in the regulation of osteogenesis in both intramembranous and endochondral ossifications. In the developing palate, the anterior bony palate forms by direct differentiation of cranial neural crest (CNC)-derived mesenchymal cells, but the signals that regulat...

journal_title：Journal of dental research

authors： Xu J,Huang Z,Wang W,Tan X,Li H,Zhang Y,Tian W,Hu T,Chen YP

更新日期：2018-05-01 00:00:00

abstract：:Growing evidence suggests that individual genetic susceptibility may influence the host's response to infections. The aim of this project was to study whether gene polymorphisms of inflammatory markers are associated with the presence of viable periodontopathogenic bacteria. We extracted genomic DNA from 45 young adul...

journal_title：Journal of dental research

authors： Nibali L,Ready DR,Parkar M,Brett PM,Wilson M,Tonetti MS,Griffiths GS

更新日期：2007-05-01 00:00:00

abstract：:Understanding the mechanical properties of human teeth is important to clinical tooth preparation and to the development of "tooth-like" restorative materials. Previous studies have focused on the macroscopic fracture behavior of enamel and dentin. In the present study, we performed indentation studies to understand t...

journal_title：Journal of dental research

authors： Xu HH,Smith DT,Jahanmir S,Romberg E,Kelly JR,Thompson VP,Rekow ED

更新日期：1998-03-01 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：:Recent evidence implicates endothelin in nociception, but it is unclear how endothelin activates trigeminal ganglion (TRG) neurons. In the present study, we investigated the expression of the endothelin receptors ETA and ETB and endothelin-induced responses in rat TRG neurons. Double-immunofluorescence studies demonst...

journal_title：Journal of dental research

authors： Yamamoto T,Ono K,Hitomi S,Harano N,Sago T,Yoshida M,Nunomaki M,Shiiba S,Watanabe S,Nakanishi O,Inenaga K

更新日期：2013-04-01 00:00:00

abstract：:Minimizing patient exposure while maintaining a diagnostically acceptable radiograph is a major goal in diagnostic radiography. Rare-earth filters may be the means to achieve this goal due to their "band-pass effect". The purpose of this study was to examine the image contrast effects and exposure reductions for vario...

journal_title：Journal of dental research

authors： Mauriello SM,Washburn DB,Matteson SR

更新日期：1987-08-01 00:00:00

abstract：:Various etching methods are examined with respect to their ability to induce the surface nucleation and growth of fluorapatite from solutions of low, sustained supersaturation with respect to hydroxyapatite and fluorapatite. The constant composition kinetics method enables the rates of remineralization to be precisely...

journal_title：Journal of dental research

authors： Amjad Z,Koutsoukos PG,Nancollas GH

更新日期：1982-09-01 00:00:00

abstract：:Van der Woude syndrome (VWS) is an autosomal-dominant oral facial disorder. To find a gene mutation in a Japanese family using fingernail DNA samples, we performed this study. We hypothesized that a gene mutation in IRF6 might be involved in VWS, and that fingernail DNA samples may be valuable for detecting such mutat...

journal_title：Journal of dental research

authors： Matsuzawa N,Shimozato K,Natsume N,Niikawa N,Yoshiura K

更新日期：2006-12-01 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：: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：:The present study was conducted to investigate the role of proteolysis by matrix metalloproteinase 20 (MMP20) in regulating the initial formation of the enamel mineral structure during the secretory stage of amelogenesis, utilizing Mmp20-null mice that lack this essential protease. Ultrathin sagittal sections of maxil...

journal_title：Journal of dental research

authors： Yamazaki H,Tran B,Beniash E,Kwak SY,Margolis HC

更新日期：2019-04-01 00:00:00

abstract：:Overgrowth of oral yeast is a common problem among the elderly. Probiotic bacteria are known to inhibit the growth of pathogenic microbes. We tested the hypothesis that cheese containing probiotic bacteria can reduce the prevalence of oral Candida. During this 16-week, randomized, double-blind, placebo-controlled stud...

journal_title：Journal of dental research

authors： Hatakka K,Ahola AJ,Yli-Knuuttila H,Richardson M,Poussa T,Meurman JH,Korpela R

更新日期：2007-02-01 00:00:00

abstract：:Recent functional animal studies have reported that the motor control of masticatory muscle function is bilaterally guided by both hemispheres, which may fundamentally differ from the cortical control of limb muscle function. In this study, we investigated whether unilateral cortical brain infarction induces different...

journal_title：Journal of dental research

authors： Kemppainen P,Waltimo A,Palomäki H,Salonen O,Könönen M,Kaste M

更新日期：1999-12-01 00:00:00

abstract：:MMP-20 (enamelysin), the matrix metalloproteinase family member discovered in the enamel organ, has also been detected in odontoblasts during dentin formation. We studied the presence and localization of MMP-20 in mature human teeth in health and disease. In immunohistochemistry, MMP-20-positive staining was observed ...

journal_title：Journal of dental research

authors： Sulkala M,Larmas M,Sorsa T,Salo T,Tjäderhane L

更新日期：2002-09-01 00:00:00