abstract：:The crown and root morphology, and bilateral occurrence of human deciduous lower first molars that exhibited a triangular occlusal outline, taken from excavated samples of Japanese, Jomonese and Iraqi origin, were investigated. The crowns of triangular teeth had smaller mesiodistal and larger buccolingual diameters th...

journal_title：Archives of oral biology

authors： Kitagawa Y,Manabe Y,Oyamada J,Rokutanda A

更新日期：1996-04-01 00:00:00

abstract：:To establish a selected salivary-gland cell culture and determine the effect of neuropeptides, monolayers were cultured using 3T3 cells as a feeder layer. To confirm the origin of these cultured cells, amylase production was examined by electron microscopy and periodic acid-Schiff staining, together with immunocytoche...

journal_title：Archives of oral biology

authors： Horie K,Kagami H,Hiramatsu Y,Hata K,Shigetomi T,Ueda M

更新日期：1996-03-01 00:00:00

abstract：:The aim of this project was to develop an analytical procedure with the required level of sensitivity for the determination of glucose concentrations in small volumes of unstimulated fasting whole saliva. The technique involves high-performance ion-exchange chromatography at high pH and pulsed amperometric detection. ...

journal_title：Archives of oral biology

authors： Gough H,Luke GA,Beeley JA,Geddes DA

更新日期：1996-02-01 00:00:00

abstract：:This report concerns changes brought about in the submandibular salivary gland during different stages of the oestrous cycle in the concentrations of total lipids, cholesterol and protein, together with an assessment of the activities of cyclic AMP-specific phosphodiesterase, ATPase, succinate dehydrogenase and an est...

journal_title：Archives of oral biology

authors： Ambadkar PM,Raval AP

更新日期：1996-02-01 00:00:00

abstract：:The first indication of cartilage formation was detected on day 14.5 of pregnancy in close connection to the ossifying mandible. A separated blastema was never observed. Thus the findings support the concept that the condylar cartilage develops from already differentiated cells, not from primary undifferentiated mesen...

journal_title：Archives of oral biology

authors： Shibata S,Suzuki S,Tengan T,Ishii M,Kuroda T

更新日期：1996-01-01 00:00:00

abstract：:Smears of buccal mucosa, dorsal surface of the tongue and floor of mouth were taken from 10 patients with histologically confirmed oral lichen planus and 12 healthy age- and sex-matched controls. In buccal smears, no significant differences in cytoplasmic and nuclear areas were observed between lesional, adjacent non-...

journal_title：Archives of oral biology

authors： Sugerman PB,Savage NW,Williams SL,Joynson OB,Daley TJ,Cowpe JG

更新日期：1996-01-01 00:00:00

abstract：:The oral organism Corynebacterium matruchotii was investigated for the presence of lipoteichoic acid, as this common polyanionic macroamphiphilic component of Gram-positive bacteria has been implicated in phenomena related to calcium binding. Phenol-water extraction followed by a small-scale, hydrophobic-interaction c...

journal_title：Archives of oral biology

authors： Sutcliffe IC

更新日期：1995-12-01 00:00:00

abstract：:The possible role of fibronectin in dental tissue repair was investigated by comparing its distribution and that of the 165-kDa fibronectin-binding membrane protein (165 kDa-FnBP) in odontoblasts underlying carious and sound dentine. By immunoperoxidase and light microscopy, fibronectin was localized in the dentine un...

journal_title：Archives of oral biology

authors： Farges JC,Joffre A,Lesot H,Bleicher F,Magloire H

更新日期：1995-11-01 00:00:00

abstract：:Porphyromonas gingivalis is strongly associated with periodontal disease. Significant titres of specific IgG antibodies to P. gingivalis can be found in healthy individuals and those with periodontitis. In this study, 22 outer membrane antigens ranging from 15.5 to 107.6 kDa were recognized by sera from persons with p...

journal_title：Archives of oral biology

authors： Polak B,Peck MA,Dyer JK,Bird PS,Reinhardt RA,Seymour GJ

更新日期：1995-10-01 00:00:00

abstract：:The effects of interleukin-1 (IL-1) on the metabolism of two androgenic substrates, testosterone and 4-androstenedione, that can be converted to the potent anabolic metabolite 5 alpha-dihydrotestosterone (DHT) were studied. Duplicate incubations of confluent gingival fibroblasts were made in Eagle's minimum essential ...

journal_title：Archives of oral biology

authors： Kasasa SC,Soory M

更新日期：1995-10-01 00:00:00

abstract：:Normal keratinocytes from epidermis and from buccal mucosa underwent dissimilar stages of differentiation in the same culture medium and responded differently to changes in the composition of the medium. Manifestations of these variations were examined in terms of the expression at the mRNA level (as measured by rever...

journal_title：Archives of oral biology

authors： Brysk MM,Arany I,Brysk H,Chen SH,Calhoun KH,Tyring SK

更新日期：1995-09-01 00:00:00

abstract：:The effects of dietary calcium deficiency and subsequent replenishment of the diet with calcium alone or with xylitol were studied. Thirty 3-week-old Wistar rats were labelled with an i.p. tetracycline injection. Twenty rats were fed a diet with 0.026% calcium (Ca-deficient); 10 received a 0.5% Ca diet (controls). Aft...

journal_title：Archives of oral biology

authors： Tjäderhane L,Hietala EL,Svanberg M,Larmas M

更新日期：1995-08-01 00:00:00

abstract：:Gingival crevicular fluid (GCF) was collected into capillary tubes from healthy gingiva and sites of advanced periodontitis. Following digestion with Pronase E, the glycosaminoglycans were isolated by successive precipitation into 5% cetylpyridinium chloride and 95% ethanol. Unsaturated disaccharide isomers of chondro...

journal_title：Archives of oral biology

authors： Okazaki J,Kamada A,Matsukawa F,Sakaki T,Gonda Y

更新日期：1995-08-01 00:00:00

abstract：:A time-dependent, fundamental change in function for a sectorial tooth in a group of extinct, propleopine kangaroos is reported. In juvenile Ekaltadeta ima (Marsupialia, Hypsiprymnodontidae, Propleopinae) the second premolar (P2) functions as a serrated blade at the anterior end of the cheek tooth row. In adults, this...

journal_title：Archives of oral biology

authors： Wroe S,Archer M

更新日期：1995-07-01 00:00:00

abstract：:Close association between nerve terminals and preodontoblasts, odontoblasts and predentine was observed during healing after pulpotomy. The nerve terminals frequently contained large numbers of synaptic vesicles. Terminals with many vesicles tended to be fewer in the predentine than in the odontoblastic layer. The dis...

journal_title：Archives of oral biology

authors： Inoue H,Taniguchi K,Okamura K,Izumi T,Tamura N,Kajiwara S,Yamada K,Kuroda E,Watanabe K,Kitamura K

更新日期：1995-07-01 00:00:00

abstract：:Twenty-eight right-handed, young adults participated in a sensory testing experiment to evaluate spatial resolution at 10 positionally matched sites on the right- and left-hand sides of the face. An adaptive psychophysical (i.e. tracking) procedure was used to estimate the threshold spatial separation for perceiving t...

journal_title：Archives of oral biology

authors： Chen CC,Essick GK,Kelly DG,Young MG,Nestor JM,Masse B

更新日期：1995-06-01 00:00:00

abstract：:The recovery of fibres in the chorda tympani after repair by epineurial suture or entubulation was investigated. The combined trunk of the chorda tympani and lingual branch of the trigeminal nerve was sectioned unilaterally, repaired using either epineurial sutures or entubulation, and allowed to recover for 12 weeks....

journal_title：Archives of oral biology

authors： Smith KG,Robinson PP

更新日期：1995-05-01 00:00:00

abstract：:Eruption results in the movement of the tooth from an intraosseous to a functional position in the mouth. This physiological movement occurs through a path of least resistance and is mediated by the dental follicle. In this study the presence of a 80-kDa proteinase of the gelatinase family in the dental follicle of ma...

journal_title：Archives of oral biology

authors： Shroff B,Norris K,Pileggi R

更新日期：1995-04-01 00:00:00

abstract：:Tongue movements in three female Macaca fascicularis, with radio-opaque markers in the tongue, teeth and hyoid, feeding on apple, banana and monkey chow, were recorded using lateral projection cineradiography (+/- 100 f.p.s.) with synchronized frontal view cinephotography (50 f.p.s.). Marker positions were digitized a...

journal_title：Archives of oral biology

authors： Hiiemae KM,Hayenga SM,Reese A

更新日期：1995-03-01 00:00:00

abstract：:Cyclic AMP phosphodiesterase (PDE) isozymes were isolated and characterized from the soluble fraction of rat parotid gland. Four main peaks containing PDE activity were obtained by Q-Sepharose Fast Flow column chromatography. The four peaks were identified as PDEs I-IV by kinetic properties, molecular-weight analysis ...

journal_title：Archives of oral biology

authors： Imai A,Nashida T,Shimomura H

更新日期：1995-02-01 00:00:00

abstract：:A large earthquake (8-9 on the Richter scale) and a series of aftershocks took place on 2 March 1985 in Santiago, Chile. The characteristics of over 22,000 births registered in three public hospitals in the same year were reviewed. A significant increase in the rate of facial clefts was found; 2.01 per 1000 births in ...

journal_title：Archives of oral biology

authors： Montenegro MA,Palomino H,Palomino HM

更新日期：1995-01-01 00:00:00

abstract：:Non-invasive imaging techniques such as computerized tomography, magnetic resonance imaging (MRI), and ultrasonography enable measurements of the cross-section and thickness of human jaw muscles in vivo, providing an indication of the maximal force a muscle can exert. In 15 adult Caucasian men the thickness of the mas...

journal_title：Archives of oral biology

authors： Raadsheer MC,Van Eijden TM,Van Spronsen PH,Van Ginkel FC,Kiliaridis S,Prahl-Andersen B

更新日期：1994-12-01 00:00:00

abstract：:Degradation of phenylalanine and leucine by resting cells of Eubacterium brachy ATCC 33089 were studied under strict anaerobic conditions. The effects of metronidazole and air on the metabolism were also studied. The organism principally produced phenylpropionate and isocaproate from phenylalanine and leucine, respect...

journal_title：Archives of oral biology

authors： Hamid MA,Iwaku M,Hoshino E

更新日期：1994-11-01 00:00:00

abstract：:In order to record pulp blood flow by photoplethysmography, the light transmission properties of extracted human teeth and human peripheral blood at wavelengths between 400 and 800 nm were first investigated. Transmission through peripheral blood and extracted teeth was lower at wavelengths shorter than 600 nm. Transm...

journal_title：Archives of oral biology

authors： Ikawa M,Horiuchi H,Ikawa K

更新日期：1994-10-01 00:00:00

abstract：:The purpose of the study was to test the hypothesis that both insoluble pure type I collagen from bovine Achilles tendon and dentine collagen in root dentine powder from human teeth required acid pretreatment for subsequent degradation by trypsin, a non-specific protease. Pure type I collagen or dentine powder was tre...

journal_title：Archives of oral biology

authors： Dung SZ,Li Y,Dunipace AJ,Stookey GK

更新日期：1994-10-01 00:00:00

abstract：:The effect of a reduced functional dentition on the development of the mandibular disc in young rabbits was studied by measuring cell proliferation within the disc following tooth extraction. Maxillary and mandibular incisor teeth were extracted from 18 animals at 5 weeks of age. At 12 weeks the rabbits received 0.25 ...

journal_title：Archives of oral biology

authors： Shaw RM,Molyneux GS

更新日期：1994-09-01 00:00:00

abstract：:Electrical stimuli at 1 Hz with pulse widths of 0.05, 0.1 and 1 ms with intensities from two to six times sensory threshold (2-6 T) were delivered to the lower lip. The reflex responses were monitored by surface electromyography of the ipsilateral masseter muscle. An excitatory response that was not preceded or follow...

journal_title：Archives of oral biology

authors： Brodin P,Türker KS

更新日期：1994-08-01 00:00:00

abstract：:Atrial natriuretic peptide (ANP), sodium nitroprusside and hydroxylamine increased cGMP accumulation in rat parotid acinar cells both in the presence and absence of forskolin but in a different manner. On the other hand, ANP decreased forskolin-stimulated cAMP accumulation, although sodium nitroprusside and hydroxylam...

journal_title：Archives of oral biology

authors： Nashida T,Imai A,Shimomura H

更新日期：1994-07-01 00:00:00

abstract：:Intradental, i.e. pulpal, cells may play an important part in sensory transduction in teeth, although the cellular mechanisms and the identity of the specific cell types involved are still unclear. Because the majority of cells in dental pulp are derived from neural crest, it seemed likely that these might have the me...

journal_title：Archives of oral biology

authors： Davidson RM

更新日期：1994-07-01 00:00:00

abstract：:Evidence was sought for urea-induced pH gradients in dental plaque microcosm biofilms cultured from the mixed salivary bacteria in a multi plaque 'artificial mouth'. Application of 500 mmol/l urea for short periods (6 min) to 5-8 mm maximum-thickness plaques induced intraplaque pH gradients of up to 0.7 pH units with ...

journal_title：Archives of oral biology

authors： Sissons CH,Wong L,Hancock EM,Cutress TW

更新日期：1994-06-01 00:00:00

abstract：:Fifty 4- to 6-week-old male random-bred golden hamsters were injected intraperitoneally with a weight-related dose (12.5 mg/kg body weight) of N-methyl-N-nitrosourea (NMU) three times a week for 4 weeks. Groups of seven animals were killed 10, 16 and 22 weeks after the first injection. The palatal gingiva from six ani...

journal_title：Archives of oral biology

authors： McMillan MD,Smith CJ,Ramirez V

更新日期：1994-06-01 00:00:00

abstract：:Periodontal mechanosensitive (PM) primary afferent neurones were recorded from the rat trigeminal ganglion and their response to mechanical tooth stimulation studied. The majority (95%) of PM afferents were single-tooth units and most were sensitive to mechanical stimulation of the incisor. They had a sustained respon...

journal_title：Archives of oral biology

authors： Tabata T,Hayashi H

更新日期：1994-05-01 00:00:00

abstract：:Eruption is a highly localized process during which the bone resorption and formation that occur on opposite sides of the tooth are dependent upon the surrounding soft tissues, the true dental follicle externally and the enamel organ internally. To examine the ability of the enamel organ to cause eruption the external...

journal_title：Archives of oral biology

authors： Larson EK,Cahill DR,Gorski JP,Marks SC Jr

更新日期：1994-04-01 00:00:00

abstract：:Parotid salivation was stimulated by infusion of bethanechol chloride into anaesthetized brushtail possums to ascertain maximal flow rates, salivary composition and dietary adaptations of salivary function. Secretion rates for one gland ranged from 5.3 +/- 0.16 to 84.3 +/- 3.20 microliters/min (2.4 +/- 0.07 to 37.8 +/...

journal_title：Archives of oral biology

authors： Scott NA,Beal AM

更新日期：1994-04-01 00:00:00

abstract：:The discharge of albumin, IgG and fibrinogen in dentinal fluid released from freshly exposed dentine was determined by enzyme-linked immunosorbent assay. Data were compared with the relative concentrations of these proteins in the interstitial fluid of the pulp. The sampling procedure involved retrieval of phosphate-b...

journal_title：Archives of oral biology

authors： Knutsson G,Jontell M,Bergenholtz G

更新日期：1994-03-01 00:00:00

abstract：:Various fruit juices with relatively low pH are known to have erosive effects on human tooth enamel in a reasonably short time. Honey, also with a relatively low pH, could do the same, but scanning electron microscopy showed no erosion of enamel by honey over a period of 30 min, neither did Knoop microhardness tests s...

journal_title：Archives of oral biology

authors： Grobler SR,du Toit IJ,Basson NJ

更新日期：1994-02-01 00:00:00

abstract：:Unitary discharges of periodontal mechanosensitive (PM) fibres were recorded from cat inferior alveolar nerve. More than half (66%) of the PM units were single-tooth ones sensitive to only one tooth. The majority (78%) responded sustainedly to stimulation of the mandibular canine tooth. The multitooth units responded ...

journal_title：Archives of oral biology

authors： Tabata T,Suzuki T,Watanabe M

更新日期：1994-01-01 00:00:00

abstract：:The classical hydrodynamic theory implicated fluid movement as a transducing mechanism in the production of dental sensitivity. This theory assumes that sensitive dentine must be permeable. Various measurements of dentine permeability are discussed, including: (1) factors that influence diffusive permeation across den...

journal_title：Archives of oral biology

authors： Pashley DH

更新日期：1994-01-01 00:00:00

abstract：:Physiological evidence is presented for the existence of commissural fibres that cross the midsagittal plane in the medulla of the rat at the level of the trigeminal motor nucleus (Mo5). These fibres, which have their origin in the Mo5, terminated in the contralateral Mo5. Small inhibitory postsynaptic potentials were...

journal_title：Archives of oral biology

authors： Jüch PJ,Minkels RF,van Willigen JD

更新日期：1993-12-01 00:00:00

abstract：:Previous laboratory studies have revealed that some axons branch to supply the pulps of two teeth, but the incidence of such fibres in different regions of the jaws has not been investigated. The present study has used electrophysiological techniques to determine the incidence and distribution of branched pulpal axons...

journal_title：Archives of oral biology

authors： Foster E,Robinson PP

更新日期：1993-11-01 00:00:00