Comparative anatomic study of mandibular growth in rats after bilateral resections of superficial masseter, posterior temporal, and anterior digastric muscles.

abstract：:With the objective of contributing to the understanding of factors influencing the characteristics of dentition, dental observations from 429 children and adult highland people of western Bolivia are described. Various age, sex, ethnic, and village differences are observed in malocclusion, dental caries, periodontal d...

journal_title：Journal of dental research

authors： Palomino H

更新日期：1978-03-01 00:00:00

abstract：:The effects of different doses of p-tyramine injected i.v. and i.p. on salivary flow rates and proteins secreted by the submandibular glands of rats were studied with and without various types of autonomic blockers and two enzyme inhibitors. The salivary flow rates and the amounts of protein secreted progressively inc...

journal_title：Journal of dental research

authors： Okina A,Hidaka S,Tashiro M,Abe K

更新日期：1993-05-01 00:00:00

abstract：:Successive active phases observed in periodontal diseases may be explained either by a sudden activation of the pro-forms of tissue-stored degradative enzymes such as metalloproteinases (MMPs) or by an imbalance between metalloproteinases and their tissue inhibitors (TIMPs). To discriminate between these two hypothese...

journal_title：Journal of dental research

authors： Soell M,Elkaim R,Tenenbaum H

更新日期：2002-03-01 00:00:00

abstract：:TWIST1 plays a crucial role in dentinogenesis, and its activity depends on both a dimerization partner selection and phosphorylation. Other factors, like Id proteins, can affect the availability of dimerization partners for TWIST1, subsequently leading to diverse biological outcomes. The purpose of this study was to e...

journal_title：Journal of dental research

authors： Maciejewska I,Sakowicz-Burkiewicz M,Pawelczyk T

更新日期：2014-06-01 00:00:00

abstract：:Dynamic changes of pulpal blood flow (PBF) and gingival blood flow (GBF) induced by intra-venous injection of two kinds of vasoactive drugs were observed in dogs by means of Laser Doppler Velocimetry. Intra-venous injection of norepinephrine caused PBF to increase, corresponding to the blood pressure (BP) increase, wh...

journal_title：Journal of dental research

authors： Sasano T,Kuriwada S,Sanjo D

更新日期：1989-05-01 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：: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：:Using a pin-on-disc sliding-wear test apparatus, the wear behavior of a typical composite restorative vs. styli fashioned from human enamel, sintered alumina, and magnesium fluoride was examined. The rates of restorative wear were found to be identical, within the experimental error of the measurements, for tests usin...

journal_title：Journal of dental research

authors： Rice SL,Bailey WF,Roto M,Wayne SF

更新日期：1984-06-01 00:00:00

abstract：:The most frequent complaints registered against composite restorations are stained margins and a rough surface. The stained margins have many causes such as (1) fracturing or crazing of enamel during preparation of the cavity, (2) using a composite having an excessive curing shrinkage, (3) manipulating too slowly, whi...

journal_title：Journal of dental research

authors： Rupp NW

更新日期：1979-05-01 00:00:00

abstract：:The limited durability of resin-dentin bonds severely compromises the lifetime of tooth-colored restorations. Bond degradation occurs via hydrolysis of suboptimally polymerized hydrophilic resin components and degradation of water-rich, resin-sparse collagen matrices by matrix metalloproteinases (MMPs) and cysteine ca...

journal_title：Journal of dental research

authors： Liu Y,Tjäderhane L,Breschi L,Mazzoni A,Li N,Mao J,Pashley DH,Tay FR

更新日期：2011-08-01 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：:Since edentate subjects have a reduced masticatory function, it can be expected that the morphology of the cancellous bone of their mandibular condyles has changed according to the altered mechanical environment. In the present study, the morphology of cylindrical cancellous bone specimens of the mandibular condyles o...

journal_title：Journal of dental research

authors： Giesen EB,Ding M,Dalstra M,van Eijden TM

更新日期：2004-03-01 00:00:00

abstract：:Previous studies have shown that fluoride affected the formation of apatite in spontaneous precipitations from unstable calcium phosphate solutions partly through its effect on the stability of such nonapatitic precursors as octacalcium phosphate, Ca8H2(PO4)6.5 H2O. The present study shows that fluoride had a comparab...

journal_title：Journal of dental research

authors： Eanes ED

更新日期：1980-02-01 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：:The eventual outcome of dental caries is determined by the dynamic balance between pathological factors that lead to demineralization and protective factors that lead to remineralization. Pathological factors include acidogenic bacteria, inhibition of salivary function, and frequency of ingestion of fermentable carboh...

journal_title：Journal of dental research

authors： Featherstone JD

更新日期：2004-01-01 00:00:00

abstract：:The effect of enamel matrix proteins on the seeded growth of enamel apatite crystals was studied in stable supersaturated solutions at pH 7.4 and 37 degrees C. Of the two major protein classes in the enamel matrix, the enamelins were considerably more effective than the amelogenins in retarding seeded growth. However,...

journal_title：Journal of dental research

authors： Doi Y,Eanes ED,Shimokawa H,Termine JD

更新日期：1984-02-01 00:00:00

abstract：:In periodontal surgery, healing after guided tissue regeneration (GTR) may be explained by differences in functional activities of gingival and periodontal ligament fibroblasts (GF and PDLF). Several studies in vitro have supported this hypothesis, but much remains to be defined. In the present work, gingival and peri...

journal_title：Journal of dental research

authors： Giannopoulou C,Cimasoni G

更新日期：1996-03-01 00:00:00

abstract：:Bone remodeling is a complex process regulated by several mediators. Recent work has revealed that cytokines and growth factors have significant effects on bone cell metabolism. However, little information is available concerning the production of cytokines during orthodontic tooth movement in human subjects, and ther...

journal_title：Journal of dental research

authors： Uematsu S,Mogi M,Deguchi T

更新日期：1996-01-01 00:00:00

abstract：:Mutations and common polymorphisms in interferon regulatory factor 6 ( IRF6) are associated with both syndromic and nonsyndromic forms of cleft lip/palate (CLP). To date, much of the focus on this transcription factor has been on identifying its direct targets and the gene regulatory network in which it operates. Nota...

journal_title：Journal of dental research

authors： Parada-Sanchez MT,Chu EY,Cox LL,Undurty SS,Standley JM,Murray JC,Cox TC

更新日期：2017-10-01 00:00:00

abstract：:The treatment of periodontitis/peri-implantitis involves the reduction/eradication of periopathogens. After therapy, beneficial and pathogenic species recolonize the subgingival area. The dynamics of recolonization and especially the role of the supragingival environment in this process are still not well-understood. ...

journal_title：Journal of dental research

authors： Quirynen M,Vogels R,Pauwels M,Haffajee AD,Socransky SS,Uzel NG,van Steenberghe D

更新日期：2005-04-01 00:00:00

abstract：:Dentinal pain in connection with mechanical stimulation i.e. probing, chiseling and initial drilling may be due to removal of fluid from the dentinal tubules. Loss of fluid due to "normal" evaporation from exposed dentin may produce an outward flow in the dentinal tubules rapid enough to cause pain and within a few mi...

journal_title：Journal of dental research

authors： Brännström M,Johnson G

更新日期：1978-01-01 00:00:00

abstract：:Although proanthocyanidins (PACs) modify dentin, the effectiveness of different PAC sources and the correlation with their specific chemical composition are still unknown. This study describes the chemical profiling of natural PAC-rich extracts from 7 plants using ultra high pressure/performance liquid chromatography ...

journal_title：Journal of dental research

authors： Aguiar TR,Vidal CM,Phansalkar RS,Todorova I,Napolitano JG,McAlpine JB,Chen SN,Pauli GF,Bedran-Russo AK

更新日期：2014-04-01 00:00:00

abstract：:Potassium ions in dentifrices for treating 'hypersensitive' dentin are believed to act directly on intradental nerves by raising extracellular potassium ion concentration ([K+]o) sufficiently to prevent action potential generation by axonal accommodation. However, the [K+]o necessary to block nerve conduction is not p...

journal_title：Journal of dental research

authors： Peacock JM,Orchardson R

更新日期：1995-02-01 00:00:00

abstract：:Samples of a base mental alloy were cast and welded together using a conventional welding procedure. The joints were loaded and placed either in a corrosive environment or in air for varying time periods. The tensile and shear strength of the joints was unaffected by the corrosive environment, and the joints, despite ...

journal_title：Journal of dental research

authors： MacEntee MI,Hawbolt EB,Zahel JI

更新日期：1981-02-01 00:00:00

abstract：:We evaluated the predictive and construct validity of a caries activity assessment system associated with the International Caries Detection and Assessment System (ICDAS) in primary teeth. A total of 469 children were reexamined: participants of a caries survey performed 2 yr before (follow-up rate of 73.4%). At basel...

journal_title：Journal of dental research

authors： Guedes RS,Piovesan C,Ardenghi TM,Emmanuelli B,Braga MM,Ekstrand KR,Mendes FM

更新日期：2014-07-01 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：: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 Kubelka-Munk (K-M) theory provides a reflectance model for translucent materials placed on backings of different colors. We hypothesize that Kubelka-Munk (K-M) theoretical diffuse reflectance spectra of dentin and enamel are in good agreement with observed diffuse reflectance. The aim of this study was to measure ...

journal_title：Journal of dental research

authors： Ragain JC Jr,Johnston WM

更新日期：2001-02-01 00:00:00

abstract：:An oral radiotelemetric technique was used to determine whether a range of efficient buffers had the capacity to control the levels of hydrogen ions within dental plaque in the presence of sucrose. It was found that the buffers failed to control both the intensity and duration of the acid produced. ...

journal_title：Journal of dental research

authors： Clarke NG,Dowdell LR

更新日期：1976-09-01 00:00:00

abstract：:A conceptual means of obtaining improved bonding between filler particles and the polymeric binders of composites is presented. It involves preparing glass particles that separate into two interconnected vitreous phases when heated to an appropriate temperature, and then etching these to produce a porous surface layer...

journal_title：Journal of dental research

authors： Bowen RL,Reed LE

更新日期：1976-09-01 00:00:00